СИСТЕМА И СПОСОБ БЫСТРОГО ИЗМЕРЕНИЯ ФУНКЦИИ ВИЗУАЛЬНОЙ КОНТРАСТНОЙ ЧУВСТВИТЕЛЬНОСТИ

Группа изобретений относится к области медицины, а именно к офтальмологии. Для проверки функции контрастной чувствительности глаза используют компьютеризированную систему, включающую компьютер, монитор высокого разрешения и интерфейс пациента. Функцию контрастной чувствительности проверяют с помощью серии проверочных таблиц с наклонными решетками методом вынужденного выбора, которые предлагают пациенту. Дополнительно используют синхронизированную звуковую подсказку при демонстрации наклонных решеток. Регистрируют правильность и неправильность ответа. Анализируют ответы с использованием статистических способов психофизики. Функцию контрастной чувствительности сохраняют и наносят на график для получения количественного результата. Группа изобретений ускоряет процесс проверки контрастной чувствительности глаза и повышает точность измерения функции контрастной чувствительности глаза. 3 н. и 17 з.п. ф-лы, 11 ил.

СПОСОБЫ И СИСТЕМА СЛЕЖЕНИЯ ЗА ЛЕЧЕНИЕМ АМЕТРОПИИ

Группа изобретений относится к методам слежения за аметропией и, в частности, слежения за лечением, направленным на контроль миопии, и может быть применено для оценки и слежения за прогрессированием аномалии рефракции субъекта. Система содержит машиночитаемый носитель данных, содержащий инструкции для выполнения компьютеризированного способа, на которых: оценивают процентиль сферического эквивалента рефракции (SPHEQ) в зависимости от возраста субъекта и по меньшей мере одного из страны, области, пола, этнической принадлежности или семейного анамнеза посредством сравнения с эталонной популяцией посредством моделирования данных из выбранной совокупности данных. Оценивают ожидаемую траекторию SPHEQ в течение будущего заданного периода времени. Отображают посредством графического пользовательского интерфейса сравнение ожидаемой траектории SPHEQ с ожидаемой траекторией SPHEQ при выполнении лечения, направленного на контроль аметропии. Группа изобретений обеспечивает оценку прогрессирования миопии ...

СИСТЕМА И СПОСОБ ИЗМЕРЕНИЯ РЕФРАКЦИОННОЙ ОШИБКИ ГЛАЗА НА ОСНОВАНИИ СУБЪЕКТИВНОГО ИЗМЕРЕНИЯ РАССТОЯНИЯ

Группа изобретений относится к медицине. Способ проведения измерения рефракционной ошибки глаза субъекта с использованием компьютерного устройства включает этапы, согласно которым инициируют отображение целевого изображения в области отображения, инициируют инструкцию для субъекта изменить расстояние между глазом субъекта и указанной областью отображения для идентификации субъективного расстояния между указанным глазом субъекта и указанной областью отображения, на котором субъект способен ясно распознать заданный визуальный элемент указанного целевого изображения при рассматривании указанным глазом, определяют вычисленный параметр, относящийся к рефракционной ошибке указанного глаза субъекта, на основании входных данных, указывающих субъективное расстояние между указанным глазом субъекта и указанной областью отображения, а также на основании характеристики заданного визуального элемента целевого изображения и обеспечивают вывод на основании вычисленного параметра. Применение данной группы ...

СПОСОБ ПРОВЕРКИ ЗРЕНИЯ, УСТРОЙСТВО ДЛЯ ПРОВЕРКИ ЗРЕНИЯ И СЕРВЕР ДЛЯ СКАЧИВАНИЯ ДЛЯ ХРАНЕНИЯ ПРОГРАММЫ ИЛИ СПОСОБА ПРОВЕРКИ ЗРЕНИЯ

Группа изобретений относится к медицинской технике, а именно к средствам для проверки зрения. Способ предусматривает: (a) отображение изображения оптотипа и множества эталонных изображений, (b) прием ответа относительно изображения оптотипа, (c) определение того, имеет ли из множества эталонных изображений эталонное изображение, определенное посредством ответа, такую же форму, что и изображение оптотипа, причем одно эталонное изображение из множества эталонных изображений имеет такую же форму, что и изображение оптотипа, и (d) отображение следующего изображения оптотипа, выбранного согласно результату определения, сделанному на стадии (с), и множества эталонных изображений, причем два изображения оптотипа и два набора множества эталонных изображений, расположенных соответственно на периферии каждого из изображений оптотипа, отображаются на стадиях (а) и (d), так что проверяются оба глаза субъекта. Устройство для проверки зрения содержит блок отображения изображения оптотипа и множества ...

АППАРАТ И СПОСОБ СОСТАВЛЕНИЯ ПРОГНОЗА СИНДРОМА СУХОГО ГЛАЗА И РЕКОМЕНДАЦИЙ ПО ЛЕЧЕНИЮ

Vision exercising apparatus

PROCEDURE FOR THE COLLECTION, EVALUATION AND ANALYSIS OF VIEW SEQUENCES

Test person look sequence analyzing method, involves recording eye and view video, determining pupil coordinate for each frame of eye video, and measuring centroid corresponding to pupil center of dark area

The method involves recording eye video and field of view video and determining a pupil coordinate for each frame of an eye video. All frames those are darker than a preset brightness level is determined. A centroid corresponding to the pupil center of the dark area is measured. A correlation function of a corresponding visual point at which the test person looks is established. An independent claim is also included for a diagram for a compresses representation of a dwell time visual point.

Augmented reality therapeutic movement display and gesture analyzer

Systems and methods for displaying augmented reality clinical movements may use an augmented reality device to display aspects of a clinical movement. The systems and methods may use a motion capture device to capture the clinical movement. A method may include analyzing information about the clinical movement to determine a path of motion representative of at least a portion of the clinical movement. The method may automatically define a path region or a virtual target in an augmented reality environment overlaid on a real environment. The method may display the path region or the virtual target on an augmented reality display.

Monitoring neurological functional status

A device for measuring eye movement in a human subject comprises a housing, at least one stimulator mounted to the housing, and a sensor. The at least one stimulator is configured to provide stimulus to one or both eyes of the subject. The sensor is configured to collect information related to movement of one or both eyes of the subject. The device also includes a user interface that is configured to control the at least one stimulator and display information collected by the camera.

Video game to monitor retinal diseases

Systems and methods for providing a video game to map macular visual acuity comprising a multiple choice test where the fixation point is ensured by brief simultaneous presentation of both a central and pericentral targets. The game may be implemented on a hardware platform including a video display, a user input device, and a video camera. The camera is used to monitor ambient light level and the distance between the device and the eyes of the test subject. The game serves as a macular acuity perimeter that produces a map of the acuity of an eye that may be compared with normative data. The type of acuity tested is preferably Vernier acuity, but resolution acuity can also be tested. The test results are transmitted to a health care professional by telecommunications means to facilitate the diagnosis or monitoring of age-related macular degeneration or other relevant eye diseases.

Beam guide for ophthalmic surgical illumination

An ophthalmic illumination apparatus can include a movable support. The apparatus can also include an optical array coupled to the movable support and positioned to interact with a light beam from a light source. The optical array can include first and second optical elements. The first optical element can be configured to reflect and transmit first associated amounts of the light beam. The second optical element can be configured to reflect and transmit second associated amounts of the light beam different than the first optical element. The apparatus can further include a drive mechanism coupled to the movable support. The drive mechanism can be configured to cause the movable support to selectively move the optical array such that the light beam is selectively incident upon one of the first optical element or the second optical element. Associated devices, systems, and methods are also provided.

MULTI-TOUCH DISPLAY AND INPUT FOR VISION TESTING AND TRAINING

The present invention provides systems and methods for receiving an input to a sensory test or training activity by way of a touch-screen device. The touch-screen device receives instructions by way of a wireless communication protocol from a sensory testing and training device. The instructions may be comprised of a command to display a graphical element on the touch-screen device. As a result, the touch-screen device displays the graphical element on a display surface of the touch-screen device. Further, an input may be received from a subject in the form of a physical contact between the subject and the display surface of the touch-screen device. The input may be in response to a sensory test or a sensory training activity. Additionally, the touch- screen device communicates the input to the sensory training device utilizing a wireless communication protocol. In an additional embodiment, the touch-screen device provides feedback to a user.

PERIPHERAL VISION TRAINING AND/OR TESTING DURING CENTRAL VISION FIXATION

Systems and methods may test and/or train the peripheral visual abilities of an individual. Peripheral visual abilities may be tested and/or trained while maintaining a central visual focus by the individual. A central display element may display central visual indicia, while a peripheral display element may display peripheral visual indicia. Each visual indicia displayed may possess one or more trait and, optionally, one or more property. Inputs may be received at a central input device and/or a peripheral input device, with inputs corresponding to the traits perceived to be possessed by displayed indicia. By determining the correspondence of received inputs to the traits possessed by corresponding indicia, the peripheral visual abilities of an individual may be tested and/or trained in accordance with the present invention.

SYSTEM AND METHOD FOR MEASUREMENT OF REFRACTIVE ERROR OF AN EYE BASED ON SUBJECTIVE DISTANCE METERING

Method and system for measuring refractive error of an eye of a subject, The method include: (a) displaying at least one dynamic target image of at least one sign over a display area; (b) receiving subjective feedback from the subject indicating that the subject is positioned at a maximum distance of best acuity (MDBA) from the target image, wherein the MDBA is the maximum distance in which the subject recognizes the sign; (c) measuring one or more parameter associated with distance, during the time the subject has reached the MDBA distance, using at least one sensor; (d) estimating the MDBA by estimating the distance between the eye of the subject and the display area in which the target image is displayed by using the sensor data and (e) calculating the refractive error of the eye according to the estimated MDBA and characteristics of the target image.

DEVICE FOR DETERMINING A GROUP OF VISION AIDS SUITABLE FOR A PERSON

L'invention concerne un dispositif (10) pour déterminer un groupe d'au moins un équipement d'aide à la vision adapté à la vision d'un individu, comportant des moyens informatiques programmés pour : a) déterminer au moins une caractéristique de la vision dudit individu, b) déterminer au moins une utilisation du groupe d'au moins un équipement d'aide à la vision souhaitée par l'individu, c) déterminer ledit groupe d'au moins un équipement d'aide à la vision en fonction de la caractéristique de la vision et de l'utilisation souhaitée par l'individu.

METHOD AND APPARATUS FOR THE DETECTION OF IMPAIRED DARK ADAPTATION

The present method describes a new method for the measurement of dark adaptation. The dark adaptation status of subjects may then be used to identify those subjects who are at risk of developing and/or who are currently suffering from a variety of disease states having their clinical manifestations in impaired dark adaptation. The disease states include, but are not limited to, age related macular degeneration, vitamin A deficiency, Sorsby's Fundus Dystrophy, late autosomal dominant retinal degeneration, retinal impairment related to diabetes and diabetic retinopathy. An apparatus for administering the test method described is also provided.

METHOD AND APPARATUS FOR THE DETECTION OF IMPAIRED DARK ADAPTATION

The present method describes a new method for the measurement of dark adaptation. The dark adaptation status of subjects may then be used to identify those subjects who are at risk of developing and/or who are currently suffering from a variety of disease states having their clinical manifestations in impaired dark adaptation. The disease states include, but are not limited to, age related macular degeneration, vitamin A deficiency, Sorsby's Fundus Dystrophy, late autosomal dominant retinal degeneration, retinal impairment related to diabetes and diabetic retinopathy. An apparatus for administering the test method described is also provided.

Ophthalmic surgery device for selecting an intraocular lens.

Augenchirurgievorrichtung (1) mit – einer Steuerungseinrichtung (3); – einer Benutzerschnittstelle (5), welche wenigstens zeitweise in Datenkommunikation mit der Steuerungseinrichtung (3) steht; – einer ersten Messeinrichtung (9), welche dazu geeignet und bestimmt ist, intraoperativ wenigstens einen Wert (W1) zu bestimmen, der für ein chirurgisch zu behandelndes Auge charakteristisch ist, – einer zweiten Messeinrichtung (7), welche dazu geeignet und bestimmt ist, präoperativ und/oder intraoperativ wenigstens einen Wert (W2) zu bestimmen, der für das chirurgisch zu behandelnde Auge charakteristisch ist, und mit – einer ersten Recheneinheit, welche dazu geeignet und bestimmt ist, unter Verwendung des intraoperativ bestimmten Werts (W1) sowie des präoperativ und/oder intraoperativ bestimmten Werts (W2) wenigstens einen ersten Ausgabewert (A1) zu ermitteln, der für wenigstens eine auszuwählende Intraokularlinse (IOL) charakteristisch ist, wobei die Benutzerschnittstelle wenigstens bevorzugt ...

A WIRELESS IMAGING APPARATUS AND RELATED METHODS

PERIPHERAL VISION TRAINING AND/OR TESTING DURING CENTRAL VISION FIXATION

시각적 보상 장치를 맞춤화하기 위한 적어도 하나의 변수 값을 결정하기 위한 방법

... 본 발명은 시각적 보상 장치용 커스터마이징 변수의 적어도 하나의 값을 결정하기 위한 방법에 관한 것이다. 본 발명에 따라, 이 측정 방법은: a) 전자 단말기(2)를 갖춘 사용자(1)가 적어도 하나의 이미지 또는 비디오 시퀀스를 획득하는 단계; b) 원격 지원 센터(22)로 상기 적어도 하나의 이미지를 통신하는 단계; c) 획득된 이미지 또는 비디오 시퀀스를 교정하거나입증하기 위하여 상기 적어도 하나의 이미지로부터 명령을 추론하기 위해 상기 적어도 하나의 이미지를 처리하는 단계; d) 원격 지원 센터(22)로부터 사용자(1)의 단말기(2)로 상기 교정 또는 입증 명령을 원격통신하는 단계; e) 단말기를 이용하여 청각적 또는 시각적 메시지를 표시또는 발신하는 단계; f) 입증 이미지 또는 비디오 시퀀스가 얻어질 때까지 전술한 단계를 반복하는 단계; g) 상기 적어도 하나의 커스터마이징 변수의 값을 결정하는 단계를 포함한다.

SYSTEM AND METHOD FOR MEASUREMENT OF REFRACTIVE ERROR OF AN EYE BASED ON SUBJECTIVE DISTANCE METERING

USER ADJUSTABLE MEASUREMENT SCALE ON VIDEO OVERLAY

A method and system for superimposing a ruler on a visual representation of a surgical procedure is presented. The design includes providing a reference object while recording the visual representation of the surgical procedure, scaling the ruler to correspond to the reference object within the visual representation of the surgical procedure, and superimposing the ruler from the scaling on the visual representation for subsequent viewing.

SYSTEMS AND METHODS FOR IMAGING A TARGET FEATURE OF A SUBJECT BASED ON TRACKED POSITIONS OF THE SUBJECT AND THE TARGET FEATURE

Systems and methods for imaging a target feature of a subject based on the tracked positions of the subject and the target feature are disclosed. According to an aspect, a system includes a scanner configured to image a target feature of a subject. The system includes a mechanism configured to move the scanner. Further, the system includes a subject tracker configured to track positioning of the subject. The system includes a feature tracker configured to track positioning of the target feature. A controller is configured to control the mechanism to move the feature tracker to a position such that the feature tracker is operable to track a position of the target feature. The controller controls the mechanism to move the scanner to a position such that the scanner is operable to image the target feature based on the tracked position of the target feature by the feature tracker. 1. A system comprising:a scanner configured to image a target feature of a subject;a mechanism configured to move the scanner;a subject tracker configured to track positioning of the subject;a feature tracker configured to track positioning of the target feature within an area within which the target feature is positioned such that the target feature is imageable by the scanner; and control the mechanism to move the feature tracker to a position such that the feature tracker is operable to track a position of the target feature based on the tracked position of the subject by the subject tracker;', 'control the mechanism to move the scanner to a position such that the scanner is operable to image the target feature based on the tracked position of the target feature by the feature tracker; and', 'control the scanner to image the target feature., 'a controller configured to2. The system of claim 1 , wherein the target feature is an eye of the subject.3. The system of claim 1 , wherein the subject is a face of a person.4. The system of claim 1 , wherein the scanner is an optical coherence ...

RETINAL IMAGE CAPTURING

An apparatus for producing a fundus image includes: a processor and a memory; an illumination component including a light source and operatively coupled to the processor; a camera including a lens and operatively coupled to the processor, wherein the memory stores instructions that, when executed by the processor, cause the apparatus to: execute an automated script for capture of the fundus image; and allow for manual capture of the fundus image.

OPTICAL COHERENCE TOMOGRAPHY DEVICE, METHOD, AND SYSTEM

In accordance with one aspect of the present invention, an optical coherence tomography instrument comprises an eyepiece for receiving at least one eye of a user is provided; a light source that outputs light that is directed through the eyepiece into the user's eye; an interferometer configured to produce optical interference using light reflected from the user's eye; an optical detector disposed so as to detect said optical interference; and electronics coupled to the detector. The electronics can be configured to perform a risk assessment analysis based on optical coherence tomography measurements obtained using the interferometer. An output device can be electrically coupled to the electronics, and may be configured to output the risk assessment to the user through the output device. The optical coherence tomography instrument can be self-administered, and the eyepiece can be a monocular system or a binocular system.

Wavefront interactive refraction display

Embodiments of this invention generally relate to systems and methods for wavefront interactive refraction display and more particularly to systems and methods for capturing and displaying eye wavefront interactive refraction data based on the desired refractive state of the patient's eye.

Optical coherence tomography-based ophthalmic testing methods, devices and systems

In accordance with one aspect of the present invention, an optical coherence tomography-based ophthalmic testing center system includes an optical coherence tomography instrument comprising an eyepiece for receiving at least one eye of a user or subject; a light source that outputs light that is directed through the eyepiece into the user's or subject's eye, an interferometer configured to produce optical interference using light reflected from the user's/subject's eye, an optical detector disposed so as to detect said optical interference; and a processing unit coupled to the detector. The ophthalmic testing center system can be configured to perform a multitude of self-administered functional and/or structural ophthalmic tests and output the test data.

Image processing method and system for edge detection and laser eye surgery system incorporating the same

A method of imaging an object includes obtaining an image data set from a raster scan. The image data set has a plurality of data points, each data point having an associated location and intensity; generating a reduced data set by selectively removing one or more data points from the image data set based upon an assigned probability of retaining the one or more data points in the data set, the assigned probability being a function of the intensity of a data point; generating a triangulation graph as a planar subdivision having faces that are triangles, the vertices of which are the data points and the edges of which are adjacent vertices; and segmenting the triangulated data set by finding a path with lowest cost between that vertex and every other vertex, wherein the cost is a function of the respective intensity of the vertices.

Systems and methods for evaluating human eye tracking

Systems and methods are disclosed for evaluating human eye tracking. One method includes receiving data representing the location of and/or information tracked by an individual's eye or eyes before, during, or after the individual performs a task; identifying a temporal phase or a biomechanical phase of the task performed by the individual; identifying a visual cue in the identified temporal phase or biomechanical phase; and scoring the tracking of the individual's eye or eyes by comparing the data to the visual cue.

PERIMETER

In a perimetry to be conducted, designating an inspection region through a region designator, stimuli are presented to regions separated in an up/down direction, an oblique direction and a right/left direction from the inspection region (“the spaced region”) in addition to the designated inspection region. At the result, examinees are not able to predict to which of both regions, the inspection region and the spaced region the stimuli are presented, thereby obtaining correct inspection results that do not receive a prediction of the examinees.

IMAGE PROCESSING APPARATUS, IMAGE PROCESSING METHOD, AND STORAGE MEDIUM

An image processing apparatus includes a detecting unit configured to execute structural analysis on a tomographic image acquired by an acquiring unit and detect an abnormal portion of the eye; and a display control unit configured to cause a displaying unit to display a finding of the abnormal portion detected by the detecting unit, as a sentence or a word in a manner superimposed on the tomographic image. 1. An image processing apparatus comprising:a first acquiring unit configured to acquire a tomographic image of an eye to be inspected;a detecting unit configured to execute structural analysis on the acquired tomographic image and detect an abnormal portion of the eye;a second acquiring unit configured to acquire a similar case image related to a similar case of the detected abnormal portion, using finding information about a finding of the detected abnormal portion and position information about a position of the detected abnormal portion; anda display control unit configured to cause a displaying unit to display the acquired tomographic image and the acquired similar case image.2. The image processing apparatus according to claim 1 ,wherein the second acquiring unit searches for a similar case having a finding matched to the finding of the detected abnormal portion and a position similar to the position of the detected abnormal portion, and acquires the similar case image related to the similar case which has found through the search.3. The image processing apparatus according to claim 1 ,wherein the second acquiring unit acquires the similar case image obtained by performing scanning with measurement light in a direction the same as a scanning direction of measurement light when the acquired tomographic image is obtained.4. The image processing apparatus according to claim 1 ,wherein the display control unit causes the displaying unit to display a fundus image corresponding to the acquired tomographic image and a fundus image corresponding to the acquired ...

OPTICAL COHERENCE TOMOGRAPHY DEVICE, METHOD, AND SYSTEM

In accordance with one aspect of the present invention, an optical coherence tomography instrument comprises an eyepiece for receiving at least one eye of a user is provided; a light source that outputs light that is directed through the eyepiece into the user's eye; an interferometer configured to produce optical interference using light reflected from the user's eye; an optical detector disposed so as to detect said optical interference; and electronics coupled to the detector. The electronics can be configured to perform a risk assessment analysis based on optical coherence tomography measurements obtained using the interferometer. An output device can be electrically coupled to the electronics, and may be configured to output the risk assessment to the user through the output device. The optical coherence tomography instrument can be self-administered, and the eyepiece can be a monocular system or a binocular system.

METHOD FOR OPHTHALMIC EXAMINATION AND REMOTE EXAMINATION PROGRAM

Provided is a method for an ophthalmic examination by an ophthalmic examination system including an ophthalmic examination apparatus and an examiner-side apparatus that is connected to the ophthalmic examination apparatus by a network and is provided with an interface for input/output, the method including: a transmission step of transmitting an error signal from the ophthalmic examination apparatus to the examiner-side apparatus upon occurrence of an error in the ophthalmic examination apparatus; a selection step of, upon the examiner-side apparatus receiving the error signal, notifying an examiner of the occurrence of the error via the interface and also accepting selection input for selecting any of a plurality of predetermined handling methods of the error; a response step of the examiner-side apparatus transmitting a response signal to the ophthalmic examination apparatus on the basis of the selection input; and a notification step of, upon the ophthalmic examination apparatus receiving ...

СИСТЕМА И СПОСОБ ИЗМЕРЕНИЯ РЕФРАКЦИОННОЙ ОШИБКИ ГЛАЗА НА ОСНОВАНИИ СУБЪЕКТИВНОГО ИЗМЕРЕНИЯ РАССТОЯНИЯ

Группа изобретений относится к медицине, предпочтительно к офтальмологии, и может быть использована для измерения рефракционной ошибки глаза субъекта на основании субъективного измерения расстояния. Отображают по меньшей мере одно динамическое целевое изображение по меньшей мере одного знака в области отображения. Осуществляют прием субъективной обратной связи от субъекта, указывающей, что субъект расположен на максимальном расстоянии наилучшей четкости (MDBA) от целевого изображения. Причем максимальным расстоянием наилучшей четкости является максимальное расстояние, на котором субъект распознает знак. Измеряют одно или большее количество параметров, относящихся к расстоянию, в момент времени, когда субъект достиг максимального расстояния наилучшей четкости, с использованием по меньшей мере одного датчика. Оценивают максимальное расстояние наилучшей четкости путем оценки расстояния между глазом субъекта и областью отображения, на которой показано целевое изображение, с использованием данных ...

СПОСОБЫ И СИСТЕМА СЛЕЖЕНИЯ ЗА ЛЕЧЕНИЕМ АМЕТРОПИИ

Группа изобретений относится к медицине и может быть использована для лечения миопии у субъекта. Предложена система, содержащая машиночитаемый носитель, для реализации способа, причем система содержит память для хранения команд и процессор, связанный с памятью. Причем указанный процессор выполняет указанные сохраненные команды для того, чтобы: принять посредством интерфейса на сервере данные, связанные с изменением рефракции у субъекта за предшествующий заданный период времени от опорной временной точки, который содержит: прием данных, относящихся к прошлым изменениям рефракции у субъекта; и расчет на основании указанных прошлых данных об изменении рефракции скорости прогрессирования изменений рефракции у субъекта; и пересчет в годовом выражении рассчитанной скорости изменения для получения изменения рефракции за прошедший год; и принять посредством интерфейса данные, представляющие возраст субъекта, и данные, представляющие текущее значение осевой длины глаза, измеренное в опорной временной ...

СПОСОБЫ И СИСТЕМА СЛЕЖЕНИЯ ЗА ЛЕЧЕНИЕМ АМЕТРОПИИ

Computerized refraction and astigmatism determination

The present disclosure relates generally to a system and method for determining the refractive error of a patient, more particularly determining the patient's refractive error by using a computerized screen, and providing the patient with a prescription for the patient's preferred type of corrective lenses. The system and method do not require the trip or expense of a doctor visit, and are optimized for convenience and cost effectiveness. In a general embodiment, the present disclosure provides a method for determining a corrective lenses prescription of a patient. The method includes, separately, for each eye of the patient, determining the astigmatism prescription of the patient via a computerized screen, and determining the power of the corrective lenses prescription of the patient via the computerized screen.

Computerized refraction and astigmatism determination

A system for determining a corrective lenses prescription for a subject without the use of a refractor lens assembly. The system comprising: a memory that stores the subject’s vision information that includes a previous corrective-lens prescription; a server communicatively coupled to the memory; a hand held portable electronic device; and a computerised screen. The server presents through the hand-held-device or the screen, a distance the subject is to be positioned from the screen. The subject uses the hand-held-device to interact with the screen to perform a vision test. The server causes the hand-held-device to prompt the subject to access, via the display, a server related webpage to view a unique identifier for entry into the hand-held-device. The hand-held-device and display are separate from each other, each being separately in communication with the server. The server receives data submitted by the subject via the hand-held-device in response to the screen displayed vision test ...

SEHÜBUNGSGERÄT AS WELL AS EQUIVALENT COMPUTER-READABLE STORAGE MEDIUM

VERFAHREN ZUR ERFASSUNG, AUSWERTUNG UND ANALYSE VON BLICKSEQUENZEN

Methods and systems for diagnosing and treating health ailments

Configurations are disclosed for a health system to be used in various healthcare applications, e.g., for patient diagnostics, monitoring, and/or therapy. The health system may comprise a light generation module to transmit light or an image to a user, one or more sensors to detect a physiological parameter of the user's body, including their eyes, and processing circuitry to analyze an input received in response to the presented images to determine one or more health conditions or defects.

Ophthalmic device, method and system

The present invention relates to an eye testing and image capture device for testing and examination of an eye comprising an image display device to display an image for viewing by an eye to be tested; an image capture device to capture an image of the eye; a beam splitter positioned to split light between the image capture device and the image display device; and a lighting array for illuminating the eye wherein the lighting array comprises a first array positioned at a first angle to the eye and a second array positioned at a second angle to the eye and the first array and second array comprise two or more different light types. The present invention also relates to a method of obtaining eye test data and one or more image of an eye as well as to a system and method of screening a patient using the device and method.

METHODS AND SYSTEMS FOR DIAGNOSING EYE CONDITIONS, INCLUDING MACULAR DEGENERATION

A wearable augmented reality display device comprising a light source configured to output light for propagation into an eye of a wearer of the wearable augmented reality display device to form an image in the eye and a stack of waveguides configured to pass light from the world into the eye of the wearer, wherein each of the waveguides is configured to in-couple light from the light source and present augmented reality content to the wearer, the augmented reality content comprising a user interface configured to receive input from the wearer, wherein each waveguide of the one or more waveguides is configured to guide the in-coupled light therein by total internal reflection between opposing surfaces of the waveguide, and wherein one or more waveguides of the stack of waveguides are configured to output the light to the eye with a different amount of wavefront divergence than one or more other waveguides of the stack of waveguides, wherein the wearable augmented reality device is configured ...

AMETROPIA TREATMENT TRACKING METHODS AND SYSTEM

A system, method and computer program product for estimating future axial elongation of an individual's eye as a way to predict and track refractive error progression of an individual. The method includes: receiving, via a computer interface, data relating to refractive change in a prior pre-determined time period for the individual from a reference timepoint; receiving data representing an age of the individual and data representing a current axial length value of the eye as measured at the reference timepoint; calculating, by said processor, a future axial elongation of the eye as a function of the age of the individual, the current axial length value of the eye as measured at the reference timepoint, and the refractive change in the prior pre-determined time period; generating, an output indication of said computed axial elongation of the eye, and using said output indication to select a myopia control treatment for said individual.

METHOD FOR ALTERING THE VISUAL PERFORMANCE OF A SUBJECT, METHOD FOR MEASURING THE SPHERICAL REFRACTION CORRECTION NEED OF A SUBJECT AND OPTICAL SYSTEM FOR IMPLEMENTING THESE METHODS

The invention relates to a method for altering the visual performance of a subject using an optical system arranged in front of at least one eye of the subject, and comprising: b) determining an optotype; c) displaying the optotype to the subject in such a way that it is visible by the subject through said optical system; d) assessing the visual performance of the subject viewing the optotype through the optical system; and e) adding a positive or negative altering value of spherical optical power to the optical system. According to the invention, the method comprises, before step b): a) choosing a target value of visual performance; and and in that, at step b), said optotype has a size which is determined depending on said target value of visual performance; - at step e), said altering value of spherical optical power is determined depending on said target value of visual performance.

SYSTEMS AND METHODS FOR DETERMINING AN ANGLE OF REPOSE OF AN ASYMMETRIC LENS

Technology to determine the angle of repose of a lens, such as the angle of repose of a contact lens on an eye, includes storing an image including the lens captured using a camera and executing graphical user interface logic. The graphical user interface logic includes a frame or frames including the captured image, and graphical constructs prompting input identifying a set of locations on the captured image that are usable to define a location of the lens in the image, and a location usable to define an angle of repose of the lens in the image. The input data accepted via the graphical user interface is processed to determine angle of repose of the lens. The angle of repose of the lens is used to produce a specification for a lens.

OPTOMETRIC APPARATUS, OPTOMETRIC METHOD, AND OPTOMETRIC SERVER

An optometric apparatus and an optometric method capable of performing optometry and coping with an examinee having an astigmatic eye by using a computer screen without requiring a special facility. Attributes of the examinee are acquired and an astigmatic axis judgment chart is displayed on the computer screen, so that the direction selected by the examinee is acquired. An eyesight measurement chart is displayed for the acquired direction and the direction orthogonal to that, so that an observation limit selected by the examinee is acquired. A far point distance is calculated from the acquired observation limit. A diopter is calculated by using the acquired direction and the acquired two far point distances.

SMARTPHONE-BASED HANDHELD OPHTHALMIC EXAMINATION DEVICES

Various examples of methods, systems and devices are provided for ophthalmic examination. In one example, a handheld system includes an optical imaging assembly coupled to a user device that includes a camera aligned with optics of the optical imaging assembly. The user device can obtain ocular imaging data of at least a portion of an eye via the optics of the optical imaging assembly and provide ophthalmic evaluation results based at least in part upon the ocular imaging data. In another example, a method includes receiving ocular imaging data of at least a portion of an eye; analyzing the ocular imaging data to determine at least one ophthalmic characteristic of the eye; and determining a condition based at least in part upon the at least one ophthalmic characteristic.

USER ADJUSTABLE MEASUREMENT SCALE ON VIDEO OVERLAY

... (57) Abstract: A method and system for superimposing a ruler on a visual representation of a surgical procedure is presented. The design includes providing a reference object while recording the visual representation of the surgical procedure, scaling the ruler to correspond to the reference object within the visual representation of the surgical procedure, and superimposing the ruler from the scaling on the visual representation for subsequent viewing.

Shape distinguish the vision assessment and tracking system

PERIPHERAL VISION IN A HUMAN-MACHINE INTERFACE

VISUAL TEST METHOD, CONTROL MODULE AND SYSTEM THEREFOR

SPECTACLES VISUAL COMPENSATION AND REFRACTION METHOD OF AN INDIVIDUAL'S SUBJECTIVE WEARING THE EYEGLASS FRAME

VISUAL TEST METHOD, CONTROL MODULE AND SYSTEM THEREFOR

Improved Photobleaching Method

The present disclosure provides an improved method for photobleaching an eye of a subject. The disclosed method may be used in a number of psychophysical test methods, including, but not limited to, measurement of dark adaptation. The improved method for photo-bleaching involves at least one of the following improvements: (i) the use of a bleaching light emitting a particular wavelength of light or a tailored spectrum of wavelengths; (ii) restricting or otherwise spatially tailoring the region of the retina that is subject to photobleaching; and (iii) utilizing a bleaching light having an intensity that is at or below the intensity of ambient daylight. The present disclosure additionally provides a combination of a photobleaching light and an apparatus to administer a psychophysical test suitable for use in practicing the disclosed methods.

Information processing apparatus, eye open/closed degree determination method, computer-readable storage medium, and image sensing apparatus

An information processing apparatus inputs an image, detects the face of a person from the input image, and calculates a feature amount associated with the open/closed state of eyes of the detected face. In addition, the information processing apparatus calculates, as a feature-change amount, the difference between the calculated feature amount and a predetermined feature amount, and calculates the eye open/closed degree of eyes of the detected face on the basis of the feature amount and the feature-change amount.

Peripheral vision training and/or testing during central vision fixation

Systems and methods may test and/or train the peripheral visual abilities of an individual. Peripheral visual abilities may be tested and/or trained while maintaining a central visual focus by the individual. A central display element may display central visual indicia, while a peripheral display element may display peripheral visual indicia. Each visual indicia displayed may possess one or more trait and, optionally, one or more property. Inputs may be received at a central input device and/or a peripheral input device, with inputs corresponding to the traits perceived to be possessed by displayed indicia. By determining the correspondence of received inputs to the traits possessed by corresponding indicia, the peripheral visual abilities of an individual may be tested and/or trained in accordance with the present invention.

MONITORING NEUROLOGICAL FUNCTIONAL STATUS

A device for measuring eye movement in a human subject comprises a housing, at least one stimulator mounted to the housing, and a sensor. The at least one stimulator is configured to provide stimulus to one or both eyes of the subject. The sensor is configured to collect information related to movement of one or both eyes of the subject. The device also includes a user interface that is configured to control the at least one stimulator and display information collected by the camera. 1. A device for measuring eye movement in a human subject , the device comprising:a housing;at least one stimulator mounted to the housing, the at least one stimulator configured to provide stimulus to one or both eyes of the subject;a sensor mounted to the housing, the camera configured to collect information related to movement of one or both eyes of the subject; anda user interface configured to control the at least one stimulator and display information collected by the camera.2. The device of claim 1 , further comprising a seal that defines a cavity within which the camera and the at least one stimulator are disposed claim 1 , the seal configured to conform to the shape and contours of the subject's face to minimize ambient light within the cavity.3. The device of claim 1 , further comprising two stimulators mounted on a left side and a right side of the housing claim 1 , wherein each stimulator is configured to provide stimulus to a respective eye of the subject.4. The device of claim 3 , further comprising a divider configured to preclude stimulation provided by one of the stimulators from affecting or stimulating the eye closest to the other stimulator.5. The device of claim 4 , further comprising a seal that defines a cavity within which the camera and the at least one stimulator are disposed claim 4 , wherein both the seal and the divider are configured to conform to the shape and contours of the subject's face.6. The device of claim 1 , further comprising a screen mounted on ...

INTERACTIVE CONTROL APPARATUS

An interactive control apparatus for controlling an OCT imaging apparatus instructs, in response to detection of a first instruction signal from a pointer device, a specific action to the OCT imaging apparatus according to selected icon displayed on a display unit, and instructs, in response to detection of a second instruction signal from the pointer device, a specific action to the OCT imaging apparatus according to a preparation status of the OCT imaging apparatus when the second instruction signal is detected.

Tunable-Lens-Based Refractive Examination

An apparatus, and corresponding method, for determining a refractive property of an eye includes a housing with a port configured to receive an eye and also light from the eye. A tunable lens can be mounted to the housing to apply a variable focal power to the light from the eye and to pass the light along an optical path toward a wavefront sensor within the housing. The wavefront sensor can receive the light via the optical path and measure a wavefront thereof. A determination module can be configured to determine a property of the eye based on the wavefront. Embodiments can be handheld, portable, and open view, while providing objective wavefront aberrometry, subjective phoroptry, and accommodation and presbyoptic evaluation, as well as lensometry functions.

METHOD AND APPARATUS FOR SUBJECTIVE REFRACTION

An article for performing a subjective refraction includes a lens having a mean power that varies across the lens in a first direction and a cylindrical power that varies across the lens in a second direction, orthogonal to the first direction, wherein the mean power varies by four diopters or more and the cylindrical power varies by four diopters or more.

LIGHT SEAL COVER FOR USE WITH A HEAD-WEARABLE TESTING AND MEASUREMENT DEVICE AND RELATED METHODS

Methods, apparatus, and systems for performing an ophthalmic diagnostic test are disclosed. In one aspect, a head-wearable device for administering an ophthalmic test to a subject can comprise a head-wearable frame for mounting the device onto the subject's head, and a light seal configured for coupling to the frame so as to isolate at least one eye of the subject from ambient light when the device is worn by the subject.

Testing and determining a threshold value

This invention relates to testing and determining a threshold value used in psychometric testing in field of ophthalmology, neuro-ophthalmology and visual neuropsychology. The method comprises at least the following steps: a) displaying a symbol with a distinctive visual appearance and with a stimulus level to a display at a stimulus time-point, the symbol selected from a group of possible symbols, b) monitoring if a response is given on a response device with multiple choices, each choice representing a possible visual appearance or location of the symbol, and b1) if a response is not given in a response time-limit from the stimulus time-point, increasing the stimulus level of the symbol by a predetermined step and returning to step a), or b2) if a response is given in the response time-limit from the stimulus time-point, comparing the response to symbol displayed in step a), and c1) if the response does not correspond to the symbol displayed in step a), producing, e.g. displaying, an ...

眼科装置および制御方法並びに制御プログラム

СИСТЕМА ДЛЯ ИЗМЕРЕНИЯ СОВОКУПНОСТИ КЛИНИЧЕСКИХ ПАРАМЕТРОВ ФУНКЦИИ ЗРЕНИЯ

Заявленное изобретение относится к медицине, а именно к методам, использующим для измерения параметров этого типа погружение в виртуальную реальность. Предложенная система для измерения совокупности клинических параметров функции зрения содержит: дисплейный блок для отображения сцены с 3D-объектом, имеющим изменяемые характеристики, такие как виртуальное положение и виртуальный объем 3D-объекта в указанной сцене; датчики движения для детектирования положения головы пользователя и расстояния от дисплейного блока; следящие датчики для детектирования положения зрачков пользователя и межзрачкового расстояния; интерфейс для обеспечения пользователю возможности взаимодействовать со сценой; процессорные средства для анализа отклика пользователя на основе данных, поступивших от датчиков и интерфейса совместно с изменениями характеристик 3D-объекта, а также для выдачи оценок группы клинических параметров функции зрения, включая бинокулярность, аккомодацию, подвижность глазного яблока и зрительное ...

УСТРОЙСТВО ОБРАБОТКИ ИНФОРМАЦИИ, СПОСОБ ОБРАБОТКИ ИНФОРМАЦИИ И МАШИНОЧИТАЕМЫЙ НОСИТЕЛЬ ИНФОРМАЦИИ

... 1. Устройство обработки информации для управления в одной области захвата изображений захватом изображений для множества изображений с большим увеличением, имеющих угол рассматривания меньше угла рассматривания области захвата изображений, содержащее:блок представления, сконфигурированный для представления оператору множества базовых шаблонов для выбора, причем каждый шаблон представляет распределение положений, в которых нужно соответственно захватывать изображения с большим увеличением;блок регулировки, сконфигурированный для регулирования в соответствии с командой оператора условия захвата изображений для множества изображений с большим увеличением, ассоциированного с базовым шаблоном, выбранным из множества базовых шаблонов; иблок управления, сконфигурированный для побуждения устройства захвата изображений захватить множество изображений с большим увеличением в области захвата изображений в соответствии с отрегулированным условием захвата изображений.2. Устройство по п. 1, в котором ...

Steuervorrichtung, ophthalmologische Vorrichtung, System, Steuerverfahren und Programm

Eine Steuervorrichtung umfasst eine Anzeigesteuereinheit zur Veranlassung einer Anzeigeeinheit zur Anzeige eines Bildes eines vorderen Segments eines durch eine Abbildungseinheit aufgenommenen Subjektauges und eine Steuereinheit zur Ausgabe eines Steuersignals beruhend auf einem von einer Maus entsprechend einer Bedienung der Maus ausgegebenen Bediensignal, wenn ein eine beliebige Position auf der Anzeigeeinheit angebender Index sich auf dem Bild des vorderen Segments befindet, wobei das Steuersignal ein Änderungsausmaß einer Brennpunktposition des Bildes des vorderen Segments relativ zu der Abbildungseinheit in der Richtung der optischen Achse der Abbildungseinheit angibt.

Bedienelement zur Einhandbedienung ophtalmologischer Geräte

Die vorliegende Erfindung betrifft einen Steuerhebel zur Einhandbedienung ophthalmologischer Geräte, insbesondere Spaltlampen. Das erfindungsgemäße Bedienelement besteht aus einem Steuerhebel (2), der starr oder über ein Gelenk (3) mit zwei Freiheitsgraden mit einer Halterung (1) verbunden ist, sowie einer Steuereinheit und Stellgliedern für alle integrierten Bedienfunktionen, bei dem bei einem über ein Gelenk (3) mit zwei Freiheitsgraden befestigten Steuerhebel (2) ein Messsystem zur Detektion der Kippbewegung des Steuerhebels und mindestens ein Messsystem zur Detektion der auf den Steuerhebel (2) wirkenden Zug-, Druck und/oder Torsionskräfte vorhanden ist. Von der Steuereinheit werden die von dem oder den Messsystemen detektierten Signale ausgewertet und daraus Steuersignale für die entsprechenden Stellglieder generiert. Dabei konnten zu den Haupt-Bedienfunktionen "rechts/links" und "vor/zurück" (H1) und "Auslösen" (H2) die weiteren Zusatz-Bedienfunktionen "Basishöhe" (Z1), "Spalthöhe ...

Method and apparatus for performing a visual field test

Control of ophthalmic imaging apparatus using a mouse

A control apparatus includes a display configured to display an image of an anterior segment of a subject's eye and a control unit configured to output, based on an operation signal output from a mouse according to an operation on the mouse when an index indicating an arbitrary position on the display unit is located on the image of the anterior segment, a control signal indicating a change amount in an optical axis direction of the imaging unit of a focal position of the image of the anterior segment relative to the imaging unit. The control may also produce a signal indicating an amount of movement in a planar direction perpendicular to the optical axis direction of the imaging means in response to an operation signal output from the mouse.

System and method for measurement of refractive error of an eye based on subjective distance metering

Method and system for measuring refractive error of an eye of a subject, The method include: (a) displaying at least one dynamic target image of at least one sign over a display area; (b) receiving subjective feedback from the subject indicating that the subject is positioned at a maximum distance of best acuity (MDBA) from the target image, wherein the MDBA is the maximum distance in which the subject recognizes the sign; (c) measuring one or more parameter associated with distance, during the time the subject has reached the MDBA distance, using at least one sensor; (d) estimating the MDBA by estimating the distance between the eye of the subject and the display area in which the target image is displayed by using the sensor data and (e) calculating the refractive error of the eye according to the estimated MDBA and characteristics of the target image.

Retinal image capturing

An apparatus for producing a fundus image includes: a processor and a memory; an illumination component including a light source and operatively coupled to the processor; a camera including a lens and operatively coupled to the processor, wherein the memory stores instructions that, when executed by the processor, cause the apparatus to: execute an automated script for capture of the fundus image; and allow for manual capture of the fundus image.

System for integrally measuring clinical parameters of visual function

System for integrally measuring clinical parameters of visual function, including: a display unit (20) for representing a scene with a 3D object having variable characteristics, such as the virtual position and virtual volume of the 3D object within the scene; movement sensors (60) for detecting the position of the user's head and distance from the display unit (20); tracking sensors (10) for detecting the position of the user's pupils and pupillary distance; an interface (30) for interaction between the user and the scene; and processing means (42, 44) for analysing the user response, based on the data from the sensors (60, 10) and the interface (30), with the variation in the characteristics of the 3D object, and based on the estimation of a plurality of clinical parameters of visual function related to binocularity, accommodation, ocular motility and visual perception.

Eye image capturing

An imaging device (102) includes a housing (120) having a surface that can engage the face of a patient. A cavity is at least partially defined by the surface. An anterior imaging system includes an optical lens barrel positioned inside the cavity, and the optical lens barrel includes a variable focus lens at one end and an image sensor array at an opposite end. One or more illumination LEDs are positioned around the periphery of the optical lens barrel at opposite sides of the variable focus lens, and are configured to illuminate the cavity to capture images of an anterior of the eye. Figure 2 ...

Control of scanning images during vitreoretinal surgery

Control of scanning images during ophthalmic surgery may be performed with a scanning controller that interfaces to an optical scanner used with a surgical microscope. A scan control device may receive user input, including hands-free user input, for controlling an overlay image of scanning data that is overlaid on optical image data viewed using the surgical microscope. A selected location for optical scanning may also be displayed and controlled using the scanning controller.

AMETROPIA TREATMENT TRACKING METHODS AND SYSTEM

A system, method and computer program product for estimating future axial elongation of an individual's eye as a way to predict and track refractive error progression of an individual. The method includes: receiving, via a computer interface, data relating to refractive change in a prior pre-determined time period for the individual from a reference timepoint; receiving data representing an age of the individual and data representing a current axial length value of the eye as measured at the reference timepoint; calculating, by said processor, a future axial elongation of the eye as a function of the age of the individual, the current axial length value of the eye as measured at the reference timepoint, and the refractive change in the prior pre-determined time period; generating, an output indication of said computed axial elongation of the eye, and using said output indication to select a myopia control treatment for said individual. Q.0 >~ rr 0C (D 0 Crt IL -0 -'~ 0 ( -- -- --- 0D.)= ...

System and method for digital measurement of stereo vision

A system and method for stereo vision measurement are provided. A three- dimensional visual stimulus is generated. The visual stimulus is composed of a plurality of spatially filtered dot elements configured to isolate stereo function. The visual stimulus is then presented to a user via a display device and input data is received in response to the user viewing the visual stimulus as presented. A stereo performance of the user is then determined from the input data.

METHOD AND APPARATUS FOR THE DETECTION OF IMPAIRED DARK ADAPTATION

The present method describes a new method for the measurement of dark adaptation. The dark adaptation status of subjects may then be used to identify those subjects who are at risk of developing and/or who are currently suffering from a variety of disease states having their clinical manifestations in impaired dark adaptation. The disease states include, but are not limited to, age related macular degeneration, vitamin A deficiency, Sorsby's Fundus Dystrophy, late autosomal dominant retinal degeneration, retinal impairment related to diabetes and diabetic retinopathy. An apparatus for administering the test method described is also provided.

SYSTEMS AND METHODS FOR VISION TESTING

A vision testing device includes a light-occluding casing for administering vision tests. A viewing station is coupled to the light-occluding casing so a test subject can see a first digital display housed within the light-occluding casing. A second digital display is external to the light-occluding casing and is configured to receive touch-based input. One or more predetermined vision tests are displayed via the first digital display. The second digital display receives input corresponding to the vision test displayed via the first digital display. The second digital display includes response indicators that can be activated via a swiping motion on the second digital display, and a response is recorded as a result of the swiping motion. Each answer corresponding to a swiping motion is stored and output as a result of the vision test.

VISION EXERCISING APPARATUS

A vision exercising apparatus including a visual display device (1); a locating means (5) for locating the head of a user at a position to provide a substantially known relationship between the visual display device (1) and the field of view of the user; display position control means for actuating the visual display device (1) to display a predetermined pattern at a known display position which corresponds to a specific viewing area of the field of view of the user; user actuable response means (17) to enable a user response to be provided; further control means to control the display position control means to repeatedly display the predetermined pattern at the known display condition; and means to collate user response and to evaluate the statistical significance of the user response for that display position. A predetermined pattern can thus be displayed in the field of view of a user that requires exercising.

DEVICE AND METHOD FOR DETERMINING EYE MOVEMENTS BY TACTILE INTERFACE

L'invention concerne un dispositif (1) pour la détermination de mouvements oculaires, comprenant : -un afficheur tactile (11); -une mémoire numérique (14) mémorisant une image incluant au moins un point d'intérêt; -un dispositif de traitement (13), configuré pour mettre en uvre une répétition d'étapes de : -détermination de la position d'un point de contact (11) et localisation de la position correspondante dans l'image en cours d'affichage sur l'afficheur tactile; -génération d'une image dégradée à partir de l'image mémorisée, l'image dégradée étant : -sensiblement identique à l'image mémorisée dans une zone nette incluant la position du point de contact déterminée et ses alentours; -dégradée avec un paramètre de dégradation périphérique au- delà de la zone nette; -affichage sur l'afficheur tactile (11) de l'image dégradée générée; -l'enregistrement des positions successives du point de contact avec l'afficheur tactile (11).

SYSTEMS AND METHODS FOR ENABLING CUSTOMERS TO OBTAIN VISION AND EYE HEALTH EXAMINATIONS

Systems and methods are provided for eye health and vision examinations. A customer diagnostic center is configured to generate customer examination data pertaining to an examination of a customer's eye. The customer diagnostic center provides a user interface for communicating with a customer and ophthalmic equipment for administering tests to the customer. A diagnostic center server is configured to receive the customer examination data from the customer diagnostic center over a network and allow the customer examination data to be accessed by an eye-care practitioner. A practitioner device associated with the eye-care practitioner is configured to receive the customer examination data from the diagnostic center server and display at least a portion of the customer examination data to the eye-care practitioner. Customer evaluation data is generated pertaining to the eye-care practitioner's evaluation of the customer examination data. An eye health report is provided to the customer via ...

IMAGER, MODULE FOR AN IMAGER, IMAGING SYSTEM AND METHOD

An imager (4) comprising a body (10) and an image sensor (20) housed within the body wherein the body is releasably operably coupleable to a module (6), the module having an optical aperture (54) extending therethrough that aligns with the image sensor when operably coupled to the body to form an imaging channel wherein the sensor is operable to image a subject within an optical axis X of the imaging channel.

Ophthalmologic apparatus

Automated perimeter

DEVICE FOR DETERMINING A GROUP OF VISION AIDS SUITABLE FOR A PERSON

중심시 주시 동안 주변시를 트레이닝 및/또는 테스트하는 시스템 및 그 방법

... 본 발명에 따른 시스템 및 방법은 사람의 주변시야력을 테스트 및/또는 트레이닝할 수 있다. 주변시야력은 사람이 중심시 초점을 유지하는 동안 테스트 및/또는 트레이닝될 수 있다. 중앙 디스플레이 요소는 중심시용 표식을 표시할 수 있는 반면, 주변 디스플레이 요소는 주변시용 표식을 표시할 수 있다. 각각의 표시되는 시각적 표식은 하나 이상의 특색을 가질 수 있고, 선택적으로 하나 이상의 특성을 가질 수 있다. 입력은 중앙 입력 장치 및/또는 주변 입력 장치에서 수신될 수 있는데, 상기 입력은 표시된 표식이 갖는 것으로 인식되는 특색에 대응된다. 대응하는 표식이 갖는 특색에 대해 수신된 입력의 대응성을 결정함으로써, 사람의 주변시야력은 본 발명에 따라 테스트 및/또는 트레이닝될 수 있다.

PERSONAL-COMPUTER-BASED VISUAL-FIELD SELF-DIAGNOSIS SYSTEM AND VISUAL-FIELD SELF-DIAGNOSIS METHOD

In one aspect of the present invention, a personal-computer-based visual-field self-diagnosis system is provided which increases the opportunity for early glaucoma diagnosis via self diagnosis and also reduces the size and improves the ease of installation and movement of visual-field diagnosis systems by using a personal computer. According to one embodiment of the present invention, the personal-computer-based visual-field self-diagnosis system comprises: a computer monitor for supplying a visual-field measurement region and visual-field measurement results; a detachable light-screening unit which is attached to the front of the computer monitor, and provides a visual-field diagnosis environment; a test-eye selection unit which is attached to the rear of the detachable light-screening unit, screens out external light, and selects a test-eye; a face supporting unit to which the test-eye selection unit is attached, and which supports the face of the person being tested; and a target confirmation ...

OPTOMETRIC APPARATUS, OPTOMETRIC METHOD, AND OPTOMETRIC SERVER

An optometric apparatus and an optometric method capable of performing optometry and coping with an examinee having an astigmatic eye by using a computer screen without requiring a special facility. Attributes of the examinee are acquired and an astigmatic axis judgment chart is displayed on the computer screen, so that the direction selected by the examinee is acquired. An eyesight measurement chart is displayed for the acquired direction and the direction orthogonal to that, so that an observation limit selected by the examinee is acquired. A far point distance is calculated from the acquired observation limit. A diopter is calculated by using the acquired direction and the acquired two far point distances.

Measurement method for the determination of a value of a visual correction need for near vision of an individual

Disclosed is a measurement method for determining a value of a visual correction need for near vision of an individual in a natural posture for near vision. A recognizing limit distance is determined so that the individual is able to recognize at least one predetermined symbol farther than the limit distance relatively to the individual and unable to recognize the at least one predetermined symbol closer to the individual than the limit distance. A portable medium displaying the predetermined symbol is displaced in front of the face and eyes of the individual to change a frontal distance between his/her eyes and the portable medium and in which when a recognizing limit distance is detected by the individual, the limit distance is measured and the value of the visual correction need is determined from the measured limit distance, wherein the visual correction need includes an accommodation compensation need.

SYSTEMS AND METHODS FOR EVALUATING HUMAN EYE TRACKING

Systems and methods are disclosed for evaluating human eye tracking. One method includes receiving data representing the location of and/or information tracked by an individual's eye or eyes before, during, or after the individual performs a task; identifying a temporal phase or a biomechanical phase of the task performed by the individual; identifying a visual cue in the identified temporal phase or biomechanical phase; and scoring the tracking of the individual's eye or eyes by comparing the data to the visual cue.

Eye imaging apparatus and systems

Various embodiments of an eye imaging apparatus are disclosed. In some embodiments, the eye imaging apparatus may comprise a light source, an image sensor, a hand-held computing device, and an adaptation module. The adaptation module comprises a microcontroller and a signal processing unit configured to adapt the hand-held computing device to control the light source and the image sensor. In some embodiments, the imaging apparatus may comprise an exterior imaging module to image an anterior segment of the eye and/or a front imaging module to image a posterior segment of the eye. The eye imaging apparatus may be used in an eye imaging medical system. The images of the eye may be captured by the eye imaging apparatus, transferred to an image computing module, stored in an image storage module, and displayed in an image review module.

GONIOSCOPIC DEVICES

A gonioscopic attachment can attach to a gonioscope and can include atraumatic retention elements that are configured to engage an eye to retain the gonioscope relative to the eye. The gonioscopic attachment can be configured to position the gonioscope so that at least a portion of the concave distal surface of the gonioscopic optical element is spaced apart from the eye, and/or so that the curvature of the distal surface is angularly offset from the curvature of the eye. The gonioscope can include a fixation point configured to be visible to the subject when the gonioscope is positioned on the eye. In some embodiments, the retention elements can be incorporated directly into the gonioscope. A coupling mechanism can couple the gonioscope to a lid speculum. The gonioscope can include a light pipe, which can be configured to directly light into the eye.

CORNEAL ENDOTHELIAL CELL ANALYSIS METHOD AND CORNEAL ENDOTHELIAL CELL ANALYSIS APPARATUS

A corneal endothelial cell analysis method includes: a step of displaying a photographed image including endothelial cells of a cornea of an examinee's eye on a monitor; a step of setting, based on an operation signal from a user interface, regions of the endothelial cells for each or more than one of the cells with respect to the photographed image displayed on the monitor, the setting step including setting the endothelial cell regions on the one photographed image by use of setting modes including at least a first setting mode of setting the endothelial cell regions and a second setting mode different from the first setting mode; and a step of obtaining an analysis result on the endothelial cells of the examinee's eye based on the endothelial cell regions set by the first setting mode and the endothelial cell regions set by the second setting mode.

VISUAL TEST METHOD, ASSOCIATED CONTROL MODULE AND SYSTEM

An eyesight testing method as well as to an associated control module and an associated system such that when the control module receives a selection of a test symbol, the control module selects the test symbol by modifying at least one appearance-related feature of the test symbol such that the test symbol changes from an initial appearance to a modified appearance that distinguishes same from non-selected test symbols; when a first predetermined time has elapsed since the last selection of a test symbol or since the display of the test symbol or the plurality of test symbols, the control module modifies at least one appearance-related feature of the validation symbol; the control module terminates the eyesight testing method as soon as a predetermined number of test symbols has been selected. 2. The method according to claim 1 , wherein when the first predetermined time has elapsed since the display of the test symbol or the plurality of test symbols claim 1 , independently of the selection or absence of selection of one or more test symbols claim 1 , the control module modifies at least one appearance characteristic of the validation symbol.3. The method according to claim 1 , wherein when the control module receives a selection of one test symbol which is already selected claim 1 , the control module deselects said test symbol claim 1 , giving it back its initial appearance.4. The method according to claim 1 , wherein the control module automatically ends the visual test method when a second predetermined time has elapsed since the modification of at least one appearance characteristic of the validation symbol by the control module.5. The method according to claim 1 , wherein the validation symbol is a first validation symbol as long as no test symbol has been selected claim 1 , or a second validation symbol claim 1 , distinct from the first validation symbol claim 1 , as soon as at least one test symbol is selected.6. The method according to claim 1 , wherein ...

УСТРОЙСТВО ОБРАБОТКИ ИНФОРМАЦИИ, СПОСОБ ОБРАБОТКИ ИНФОРМАЦИИ И МАШИНОЧИТАЕМЫЙ НОСИТЕЛЬ ИНФОРМАЦИИ

Изобретение относится к технологиям обработки изображений, используемых для офтальмологической диагностики. Техническим результатом является установление подходящих условий захвата изображений, чтобы получить в заданной области захвата изображений множество изображений с большим увеличением, имеющих угол рассматривания меньше, чем у области захвата изображений. Предложено устройство обработки информации для управления в одной области захвата изображений в глазном дне захватом изображений для множества изображений с большим увеличением, имеющих угол рассматривания меньше угла рассматривания области захвата изображений. Устройство содержит блок представления, сконфигурированный для представления оператору множества базовых шаблонов для выбора, причем каждый упомянутый шаблон представляет распределение положений, в которых нужно соответственно захватывать изображения с большим увеличением посредством сканирующего лазерного офтальмоскопа с адаптивной оптикой (AOSLO). Устройство осуществляет ...

OPHTHALMOLOGIC APPARATUS AND OPHTHALMOLOGIC CONTROL METHOD, AND PROGRAM

Provided is an ophthalmologic apparatus that can perform the alignment of an acquiring unit with respect to an eye to be inspected without a rotation operation so that operability can be improved. The ophthalmologic apparatus includes: an acquiring unit which acquires specific information of an eye to be inspected; a joystick which can perform a rotation motion for moving the acquiring unit in an up-down direction, a left-right tilting motion for moving the acquiring unit in a left-right direction with respect to the eye to be inspected, and a front-back tilting motion for moving the acquiring unit in a front-back direction with respect to the eye to be inspected; and a control unit which changes a motion for moving the acquiring unit in the up-down direction from the rotation motion to the front-back tilting motion. 1. An ophthalmologic apparatus , comprising:an acquiring unit which acquires specific information of an eye to be inspected;a joystick which can perform a rotation motion for moving the acquiring unit in an up-down direction, a left-right tilting motion for moving the acquiring unit in a left-right direction with respect to the eye to be inspected, and a front-back tilting motion for moving the acquiring unit in a front-back direction with respect to the eye to be inspected; anda control unit which changes a motion for moving the acquiring unit in the up-down direction from the rotation motion to the front-back tilting motion.2. An ophthalmologic apparatus according to claim 1 , wherein the control unit inhibits the acquiring unit from being moved by the rotation motion after the motion for moving the acquiring unit in the up-down direction is changed from the rotation motion to the front-back tilting motion.3. An ophthalmologic apparatus claim 1 , comprising:an acquiring unit which acquires specific information of an eye to be inspected;a joystick which can perform input for displacement in an up-down direction by a first motion of rotation, input for ...

OPTICAL COHERENCE TOMOGRAPHY DEVICE, METHOD, AND SYSTEM

In accordance with one aspect of the present invention, an optical coherence tomography instrument comprises an eyepiece for receiving at least one eye of a user is provided; a light source that outputs light that is directed through the eyepiece into the user's eye; an interferometer configured to produce optical interference using light reflected from the user's eye; an optical detector disposed so as to detect said optical interference; and electronics coupled to the detector. The electronics can be configured to perform a risk assessment analysis based on optical coherence tomography measurements obtained using the interferometer. An output device can be electrically coupled to the electronics, and may be configured to output the risk assessment to the user through the output device. The optical coherence tomography instrument can be self-administered, and the eyepiece can be a monocular system or a binocular system. 183-. (canceled)84. A method for administering an optical coherence tomography scan , the method comprising:positioning an optical coherence tomography instrument onto at least one user eye, wherein the positioning is performed by the user; andactivating the optical coherence tomography instrument by the user to begin the optical coherence tomography scan, wherein the optical coherence tomography instrument is configured to scan the at least one user eye.85. (canceled)86. The method of claim 84 , wherein the optical coherence tomography instrument is activated via a button claim 84 , keypad claim 84 , toggle claim 84 , touch pad claim 84 , touch sensor claim 84 , foot pedal claim 84 , knob claim 84 , rotating handle claim 84 , or microphone.87. The method of claim 84 , wherein activating the instrument comprises entering an input by the user.88. The method of claim 84 , wherein activating the instrument comprises using a card and a card reader claim 84 , wherein the card reader is configured to read the card.89. The method of claim 88 , wherein the ...

Ophthalmologic photographing apparatus and ophthalmologic photographing method

An ophthalmologic photographing apparatus includes: a photographing optical system that includes a scanning unit for scanning an examinee's eye with measurement light to obtain a tomographic image of the examinee's eye; an observing optical system that includes a light-receiving device for receiving reflected light from the examinee's eye to obtain a moving image of a front image of the examinee's eye based on a light-receiving signal from the light-receiving device; a display controller for displaying the front image acquired by the observing optical system in a still state on a monitor as well as enabling setting of a capturing position of the tomographic image, the setting using the front image; and a drive controller for controlling the scanning unit to acquire the tomographic image in accordance with the capturing position.

SPEED AND DISTANCE ESTIMATION TEST DEVICE

The present invention relates to a test device which is designed for measuring the caution and intuitional capability of the individuals, by providing the individual to make an estimate about the position of the stimulus (U) at a certain time after the visual stimulus (U) disappears from the screen () and after the stimulus continues the movement thereof in an invisible manner. 1. A test device which is designed for measuring the caution and intuitional capability of the individuals , by providing the individual to make an estimate about the position of the stimulus at a certain time after the visual stimulus disappears from the screen and after the stimulus continues the movement thereof in an invisible manner , characterized by comprising:an operating system,at least one input unit with a key pad thereon, in order to provide the data entry to the operating system,an image source which is related to the operating system and which comprises at least one path, at least one stimulus and at least one station which are different from each other,at least one data source which is related to the operating system, which comprises the data therein which is entered by means of the input unit and which comprises the test data to be applied,at least one record unit which is related to the operating system and which keeps the answers given by the individuals during the test,at least one screen which is related to the operating system, which displays said paths, the stimulus and the station and which provides the individuals to realize the selections thereof and which is a touch-screen,a button which is related to the operating system and which provides the individuals to realize the estimation thereof when the individuals think that the stimulus reaches the desired station according to the movement of the stimulus during the test,at least one timer which is related to the operating system and which measures the beginning, finishing and process duration for each process on the ...

Intuitive techniques and apparatus for ophthalmic imaging

Apparatus and techniques can include using one or more of a portable or fixed optical system to obtain images of a desired anatomical target, such as the fundus region of a human eye. The optical system can include one or more of a laser-based focusing target, a laser-based fixation target, or a removable or adjustable alignment assembly. Such an alignment assembly can provide or allow user alignment based on using anatomical landmarks other than the fundus being imaged. One or more of the apparatus or techniques can be implemented in an optical assembly included as a portion hand-held fundus camera, such as including or using a consumer or commercial digital camera to capture an image.

AUTOMATED REFRACTION EXAMINATION SYSTEM

A system for conducting an automated refraction examination on a patient, including: a phoropter configured to present different optics to the patient; an automated reading rod mounted to the phoropter; and a control unit configured to send signals to perform an automated refraction examination; wherein the phoropter comprises a right member with a right aperture and a left member with a left aperture; wherein the automated reading rod comprises: a reading rod including a first end and a second end; a motor coupled to the first end of the reading rod, wherein the motor is configured to drive the reading rod between a first position and a second position; a mounting interface configured to mount the automated reading rod to the phoropter; a reading card holder coupled to the second end of the reading rod; and a reading card coupled to the reading card holder. 1. A phoropter for conducting an automated refraction examination on a patient comprising:a right member with a right aperture;a left member with a left aperture;an upper member connecting to the right member and the left member;a mounting interface coupled to the upper member;a control unit configured to send signals to conduct the automated refraction examination; and a reading rod comprising a first end and a second end;', 'a motor coupled to the first end of the reading rod, wherein the motor is configured to drive the reading rod between a first position and a second position;', 'a reading card holder coupled to the second end of the reading rod; and', 'a reading card coupled to the reading card holder., 'an automated reading rod mounted to the phoropter via the mounting interface, the automated reading rod comprising2. The phoropter of claim 1 , wherein the control unit is configured to communicate with the patient via an input device and an output device;wherein the output device comprises one or more of a speaker and a display; andwherein the input device comprises one or more of a microphone, a keyboard ...

METHOD AND SYSTEM FOR PERFORMING INTELLIGENT REFRACTIVE ERRORS DIAGNOSIS

There is provided a method and a system for intelligently determining an eyeglass prescription of a patient. The method, executed by a processor, includes: obtaining patient information from the patient to generate initial sphere, cylinder, axis, add, and prism values; performing measurements to generate at least one updated sphere, cylinder, axis, add, and prism value based on communication with the patient; repeating the performing measurements to generate optimized sphere, cylinder, axis, add, and prism values; and outputting the optimized sphere, cylinder, axis, add, and prism values to a database. 1. An automated refraction process for determining an eyeglass prescription of a patient , executed by a processor , comprising:obtaining patient information from the patient to generate initial sphere, cylinder, axis, add, and prism values;performing measurements to generate at least one updated sphere, cylinder, axis, add, and prism value based on communication with the patient;repeating the performing measurements to generate optimized sphere, cylinder, axis, add, and prism values; andoutputting the optimized sphere, cylinder, axis, add, and prism values to a database.2. The process of claim 1 , wherein performing measurements comprises:performing sphere measurements, cylinder measurements, axis measurements, add measurements, and prism measurements to obtain the optimized sphere, cylinder, axis, add, and prism values.3. The process of claim 1 , further comprising:sending an error report upon receiving an error; andsending a completion report upon completion of the automated refraction process.4. The process of claim 2 , wherein the performing cylinder measurements comprises:setting the initial cylinder value to a reference cylinder value;applying the initial cylinder value to select a first optic and a second optic;determining via a first patient input that the first optic is perceived by the patient to be clearer than the second optic, thus yielding an updated ...

MONITORING NEUROLOGICAL FUNCTIONAL STATUS

A device for measuring eye movement in a human subject comprises a housing, at least one stimulator mounted to the housing, and a sensor. The at least one stimulator is configured to provide stimulus to one or both eyes of the subject. The sensor is configured to collect information related to movement of one or both eyes of the subject. The device also includes a user interface that is configured to control the at least one stimulator and display information collected by the camera. 117-. (canceled)18. A method for measuring a blink reflex of a subject using a blink reflex device , the method comprising:stimulating one or both eyes of the subject using at least one stimulator so as to cause an involuntarily blink response in the subject; andmeasuring a time period from the stimulating step to when one or both eyes initiates the involuntary blink response.19. The method of claim 18 , wherein the measuring step includes identifying a point on an eyelid of one or both eyes in order to track movement of the eyelid.20. The method of claim 19 , wherein the measuring step further includes:detecting movement of the identified point on the eyelid in response to the stimulus; anddetermining that the subject initiated the involuntary blink based on detection of the movement.21. The method of claim 18 , further comprising:determining a particular time period during which the involuntary blink occurs; the particular time period is greater than a first threshold, or', 'the time period is greater than a second threshold., 'outputting a notification that the subject is suffering from a neurological condition when22. The method of claim 21 , wherein the step of determining the particular time period further includes:determining a first location of an eyelid associated with the at least one eye;detecting, based on determining the first location of the eyelid, movement of the eyelid that initiates the involuntary blink;determining, based on detecting the movement of the eyelid, that ...

OPHTHALMIC EXAMINATION AND DISEASE MANAGEMENT WITH MULTIPLE ILLUMINATION MODALITIES

Imaging various regions of the eye is important for both clinical diagnostic and treatment purposes as well as for scientific research. Diagnosis of a number of clinical conditions relies on imaging of the various tissues of the eye. The subject technology describes a method and apparatus for imaging of the back and/or front of the eye using multiple illumination modalities, which permits the collection of one or more of reflectance, spectroscopic, fluorescence, and laser speckle contrast images. 1. An ophthalmic imaging device , comprising:A) an illumination module capable of generating a plurality of illumination modalities, wherein the illumination modalities include coherent illumination and incoherent illumination, and wherein the illumination module is configured to perform one or more of laser speckle contrast imaging, spectroscopic imaging, reflectance imaging, or fluorescence imaging;B) one or more imaging sensors configured to collect light from one or more regions of tissue of the eye;C) (i) an optical assembly comprising one or more optical elements configured to direct light from the illumination module to the one or more regions of tissue of the eye, and further configured to direct light from the one or more regions of tissue of the eye to the one or more imaging sensors; or (ii) a first optical assembly comprising one or more first optical elements configured to direct light from the illumination module to the one or more regions of tissue of the eye and a second optical assembly comprising one or more second optical elements configured to direct light from the one or more regions of tissue of the eye to the one or more imaging sensors; andD) one or more processors configured to calculate laser speckle contrast values for pixels of the one or more imaging sensors associated with the one or more regions of tissue of the eye, wherein the calculated laser speckle contrast values use properties of a pixel's neighborhood of pixels in spatial or temporal ...

METHODS AND SYSTEMS FOR PROVIDING WAVEFRONT CORRECTIONS FOR TREATING CONDITIONS INCLUDING MYOPIA, HYPEROPIA, AND/OR ASTIGMATISM

Configurations are disclosed for a health system to be used in various healthcare applications, e.g., for patient diagnostics, monitoring, and/or therapy. The health system may comprise a light generation module to transmit light or an image to a user, one or more sensors to detect a physiological parameter of the user's body, including their eyes, and processing circuitry to analyze an input received in response to the presented images to determine one or more health conditions or defects. 1. (canceled)2. A wearable ophthalmic device comprising:an augmented reality head-mounted display system configured to pass light from the world through the display and into an eye of a person wearing the head-mounted system;a light source configured to output light for propagation into an eye of the person to form an image in the eye; andan adaptable optics element configured to apply a wavefront correction to the light forming the image based on an optical prescription for the eye.3. The device of claim 2 , wherein the adaptable optics element comprises a variable focus element.4. The device of claim 3 , wherein the variable focus element comprises a membrane mirror.5. The device of claim 4 , further comprising:one or more electrodes coupled to the membrane mirror; anda control system configured to selectively control the one or more electrodes to modify a shape of the membrane mirror based on a corneal shape of the eye.6. The device of claim 2 , further comprising a processor configured to modify image information provided to the light source for output as the light propagated into the eye claim 2 , wherein the image information is modified to provide a wavefront correction based on an optical prescription for the eye.7. A method for addressing vision defects of a person wearing a head mounted display system claim 2 , the method comprising:identifying an optical prescription of the person;producing an image using a display in the head mounted display system;applying wavefront ...

AUGMENTED AND VIRTUAL REALITY DISPLAY SYSTEMS AND METHODS FOR DIAGNOSING USING OCCLUDER

Configurations are disclosed for a health system to be used in various healthcare applications, e.g., for patient diagnostics, monitoring, and/or therapy. The health system may comprise a light generation module to transmit light or an image to a user, one or more sensors to detect a physiological parameter of the user's body, including their eyes, and processing circuitry to analyze an input received in response to the presented images to determine one or more health conditions or defects. 1. (canceled)2. A wearable augmented reality device comprising:an augmented reality head-mounted ophthalmic system comprising an augmented reality display platform configured to pass light from the world into at least one eye of a person wearing the ophthalmic system;a light source configured to output light for propagation into the eye of the person to form an image in the eye; anda user interface configured to receive input from the person,wherein the ophthalmic system is configured to occlude one or more selectable portions of a field of view of the person's eye and to receive input from the person regarding the wearer's vision through the user interface.3. The device of claim 2 , wherein the wearable augmented reality device is configured to occlude a central region of the field of view.4. The device of claim 3 , wherein the wearable augmented reality device is configured to determine whether occluding the central region improves the person's vision of the image claim 3 , and conclude a presence of a visual defect in the eye of the person based on the determined improvement in the person's vision.5. The device of claim 2 , wherein the wearable augmented reality device is configured to occlude a peripheral region of the field of view.6. The device of claim 2 , wherein the wearable augmented reality device is configured to occlude the one or more selectable portions of the field of view of the person's eye digitally.7. The device of claim 2 , wherein the wearable augmented ...

METHODS AND SYSTEMS FOR DIAGNOSING AND TREATING CHROMATIC ABERRATIONS OF AN EYE

Configurations are disclosed for a health system to be used in various healthcare applications, e.g., for patient diagnostics, monitoring, and/or therapy. The health system may comprise a light generation module to transmit light or an image to a user, one or more sensors to detect a physiological parameter of the user's body, including their eyes, and processing circuitry to analyze an input received in response to the presented images to determine one or more health conditions or defects. 1. (canceled)2. A wearable augmented reality device , the device comprising:an augmented reality head-mounted ophthalmic system comprising a wearable augmented reality display platform configured to pass light from the world into an eye of a person wearing the head-mounted system, the augmented reality display platform comprising optics configured to output light to form an image in the eye,wherein the augmented reality display platform is configured to output a first color component of the image with wavefront divergence corresponding to a first depth plane and a second color component of the image with wavefront divergence corresponding to a second depth plane different than the first depth plane to compensate for longitudinal chromatic aberration of the person's eye.3. The device of claim 2 , wherein the augmented reality display is configured to output a third color component of the image with wavefront divergence corresponding to a third depth plane different than the first and second depth planes to compensate for longitudinal chromatic aberration of the person's eye.4. The device of claim 2 , further comprising a user interface for receiving a prescription for the longitudinal chromatic aberration.5. The device of claim 2 , wherein the augmented reality head-mounted ophthalmic system is configured to conduct an eye exam by automatically varying a focus of light forming the image to provide incremental changes in optical prescription.6. The device of claim 5 , further ...

APPARATUS AND METHOD FOR SCREENING FOR DEFECTS IN THE SIGHT AND FOR MEASURING THE VISUAL ACUITY OF A USER

A binocular optoelectronic apparatus for screening defects in the sight and for measuring the visual acuity of a user, includes a casing having a right-hand first aperture and a left-hand first aperture, which apertures are intended to be placed facing the right eye and the left eye of a user facing in a first gaze direction, respectively. This apparatus includes: a touchscreen placed so that a first zone of the touchscreen is located in the interior of the casing and a second zone of the touchscreen is accessible from the exterior of the casing; electronic elements suitable for displaying a plurality of optotypes on a first portion of the first zone; and an optical system configured to form a right-hand first image of the first portion of the first zone in the direction of the first right-hand aperture at a first vision distance along a first optical path. 1. A bi-ocular optoelectronic apparatus for screening for defects in the sight of and for measuring the visual acuity of a user , the bi-ocular optoelectronic apparatus including:a housing having a first right aperture and a first left aperture, which apertures are respectively intended to be placed facing the right eye and the left eye of the user facing in a first direction of sight;characterized in that the bi-ocular optoelectronic apparatus includes:a touchscreen comprising a first zone and a second zone that are spatially separate, the touchscreen being placed in the bi-ocular optoelectronic apparatus so that the first zone of the touchscreen is in the interior of the housing and so that the second zone of the touchscreen is accessible from the exterior of the housing;electronic means suitable for displaying a plurality of optotypes in a first portion of the first zone of the touchscreen, internal to the housing;an optical system placed in the interior of the housing, the optical system being configured to form a first right image of the first portion of the first zone of the touchscreen in the direction of ...

Augmented and virtual reality display systems and methods for determining optical prescriptions

Configurations are disclosed for a health system to be used in various healthcare applications, e.g., for patient diagnostics, monitoring, and/or therapy. The health system may comprise a light generation module to transmit light or an image to a user, one or more sensors to detect a physiological parameter of the user's body, including their eyes, and processing circuitry to analyze an input received in response to the presented images to determine one or more health conditions or defects.

METHODS AND SYSTEMS FOR DIAGNOSING COLOR BLINDNESS

Configurations are disclosed for a health system to be used in various healthcare applications, e.g., for patient diagnostics, monitoring, and/or therapy. The health system may comprise a light generation module to transmit light or an image to a user, one or more sensors to detect a physiological parameter of the user's body, including their eyes, and processing circuitry to analyze an input received in response to the presented images to determine one or more health conditions or defects. 1. (canceled)2. A wearable augmented reality device comprising: 'a display configured to pass light from the world into an eye of a wearer wearing the head-mounted ophthalmic system, the display comprising at least one light source,', 'an augmented reality head-mounted ophthalmic system comprising a wearable augmented reality display platform comprising display a color test image using the display; and', 'determine a deficiency of the wearer in detecting specific colors based on the color test image., 'wherein the wearable augmented reality device is configured to3. The device of claim 2 , where the display is configured to provide a background to enhance visibility of the color test image.4. The device of claim 3 , wherein display comprises one or more spatial light modulators claim 3 , wherein the display is configured to provide the background using one or more of the spatial light modulators to selectively attenuate light.5. The device of claim 2 , wherein the color test image comprises an image of a Ishihara color plate.6. The device of claim 2 , wherein the head-mounted ophthalmic system is configured to receive user input regarding the color test image.7. The device of claim 2 , wherein the head-mounted ophthalmic system is configured to administer an anomaloscope test claim 2 , wherein the display is configured to:project light of a control color onto a first portion of the retina; andproject light of variable color onto a second portion of the retina, the variable color ...

METHODS AND SYSTEMS FOR DIAGNOSING AND TREATING PRESBYOPIA

Configurations are disclosed for a health system to be used in various healthcare applications, e.g., for patient diagnostics, monitoring, and/or therapy. The health system may comprise a light generation module to transmit light or an image to a user, one or more sensors to detect a physiological parameter of the user's body, including their eyes, and processing circuitry to analyze an input received in response to the presented images to determine one or more health conditions or defects. 1. (canceled)2. A wearable ophthalmic device for addressing presbyopia comprising:a head-mounted ophthalmic system configured to be worn on a person;a sensor configured to determine an orientation of a gaze of the person;a light source configured to output light for propagation into an eye of the person to form an image in the eye; andan adaptive optics element through which the light is directed to the person, wherein the adaptive optics element is configured to modify a focus of the light in the eye based on the orientation of the gaze of the person.3. The device of claim 2 , wherein the orientation of the gaze of the person is determined based on a position of a head of the person.4. The device of claim 3 , further comprising gyroscopic sensors configured to determine the position of a head of the person.5. The device of claim 2 , wherein the orientation of the gaze of the person is determined by tracking a position of the eye.6. A wearable ophthalmic device comprising:a light source configured to output light for forming an image; andwearable optics configured to direct the light into the eye of the person wearing the wearable optics to form the image in the eye, the wearable optics configured to correct for presbyopia based on an optical prescription for the eye.7. The device of claim 6 , further comprising user interface controls configured to receive input from the person specifying the person's optical prescription.8. The device of claim 6 , configured to present the ...

METHODS AND SYSTEMS FOR DIAGNOSING AND TREATING HIGHER ORDER REFRACTIVE ABERRATIONS OF AN EYE

Configurations are disclosed for a health system to be used in various healthcare applications, e.g., for patient diagnostics, monitoring, and/or therapy. The health system may comprise a light generation module to transmit light or an image to a user, one or more sensors to detect a physiological parameter of the user's body, including their eyes, and processing circuitry to analyze an input received in response to the presented images to determine one or more health conditions or defects. 1. (canceled)2. A wearable augmented reality device , the device comprising:an augmented reality head-mounted ophthalmic system comprising an augmented reality display, the augmented reality display platform configured to pass light from the world into an eye of the person wearing the head-mounted system; andat least one light source and wearable optics configured to output light for propagation into the eye of the person to form an image in the eye, the at least one light source and wearable optics configured to provide refractive correction for higher order refractive errors.3. The device of claim 2 , wherein the at least one light source comprises a fiber scanning display.4. The device of claim 2 , further comprising user interface controls configured to receive an input specifying the person's optical prescription.5. The device of claim 2 , wherein the wearable optics comprises adaptive optics configured to be adjusted to implement the refractive correction.6. The device of claim 5 , wherein the adaptive optics comprises a variable focus element.7. The device of claim 5 , wherein the adaptive optics comprises a deformable optical element.8. The device of claim 7 , wherein the deformable optical element comprises a deformable mirror.9. The device of claim 2 , wherein the wearable optics are configured to output light with wavefront divergence corresponding to different depth planes claim 2 , the wearable optics configured to provide different image content at the different ...

APPARATUS AND METHOD FOR DETERMINING AN EYE PROPERTY

An apparatus, and corresponding method, for determining a property of an eye includes a housing with a proximal port that receives an eye and also light from the eye. The housing further includes a distal port, and the two ports together form a visual channel providing an open view to enable the eye to see target indicia external to and spaced away from the housing. A wavefront sensor within the housing is configured to receive the light from the eye via the optical path and to measure a wavefront of the light. A determination module determines an objective refractive correction based on the wavefront and predicts a subjective refractive preference of a person having the eye based on the objective refractive correction. Embodiments can be handheld, and binocular, and predict subjective refraction based on demographic and other information. 1. An apparatus for determining a property of an eye , the apparatus comprising:a housing including a proximal port, the proximal port configured to receive an eye and to receive light from the eye,the housing further including a distal port, the proximal and distal ports together forming a visual channel from the proximal port through the distal port, the visual channel providing an open view to enable the eye to see target indicia external to and spaced away from the housing;a wavefront sensor within the housing, the wavefront sensor being configured to receive the light from the eye via the optical path and to measure a wavefront of the light; anda determination module configured to determine an objective refractive correction based on the wavefront, the determination module further configured to predict a subjective refractive preference of a person having the eye based on the objective refractive correction.2. The apparatus of claim 1 , wherein the determination module is further configured to predict the subjective refractive preference based on a demographic or physical attribute of a person having the eye.3. The apparatus ...

METHODS AND SYSTEMS FOR DIAGNOSING EYE CONDITIONS, INCLUDING MACULAR DEGENERATION

Configurations are disclosed for a health system to be used in various healthcare applications, e.g., for patient diagnostics, monitoring, and/or therapy. The health system may comprise a light generation module to transmit light or an image to a user, one or more sensors to detect a physiological parameter of the user's body, including their eyes, and processing circuitry to analyze an input received in response to the presented images to determine one or more health conditions or defects. 1. (canceled)2. A wearable augmented reality device comprising: [ 'a light source configured to output light for propagation into the eye of the wearer to form an image in the eye; and', 'an augmented reality display platform configured to pass light from the world into an eye of a wearer wearing the head-mounted system, wherein the display platform comprises, 'a user interface configured to receive input from a user,, 'an augmented reality head-mounted ophthalmic system comprisingwherein the wearable augmented reality device is configured to project the image to a particular portion of the wearer's eye and to detect a response regarding the image to determine the health of that portion of the eye.3. The device of claim 2 , wherein the wearable augmented reality device is configured to project the image to another portion of the wearer's eye and to detect a response regarding the image to determine the health of that portion of the eye.4. The device of claim 3 , wherein the wearable augmented reality device is configured to identify anomalies in the wearer's eye based on the portions of the eye tested.5. The device of claim 4 , wherein the user interface is configured to receive a voluntary user input regarding the image projected to the weaver's eye claim 4 , wherein the voluntary user input is the response regarding the image.6. The device of claim 4 , wherein the ophthalmic system comprises a camera configured to image the eye claim 4 , wherein the ophthalmic system is ...

IMAGE PROCESSING METHOD AND SYSTEM FOR EDGE DETECTION AND LASER EYE SURGERY SYSTEM INCORPORATING THE SAME

A method of imaging an object includes obtaining an image data set from a raster scan. The image data set has a plurality of data points, each data point having an associated location and intensity; generating a reduced data set by selectively removing one or more data points from the image data set based upon an assigned probability of retaining the one or more data points in the data set, the assigned probability being a function of the intensity of a data point; generating a triangulation graph as a planar subdivision having faces that are triangles, the vertices of which are the data points and the edges of which are adjacent vertices; and segmenting the triangulated data set by finding a path with lowest cost between that vertex and every other vertex, wherein the cost is a function of the respective intensity of the vertices. 1. A method of imaging an object comprising:obtaining an image data set from a raster scan of the object, the image data set comprising a plurality of data points, each data point having a location and intensity associated with it;generating a reduced data set by selectively removing one or more data points from the image data set based upon an assigned probability of retaining the one or more data points in the data set, the assigned probability being a function of the intensity of a data point;generating a triangulation graph of the reduced data as a planar subdivision having faces that are triangles, the vertices of which are the data points of the reduced data set and the edges of which are adjacent vertices; andsegmenting the triangulation graph by finding a path with lowest cost between vertices of the triangulation graph, wherein the cost between vertices is a function of the respective intensity of the vertices.2. The method of claim 1 , wherein the object is a human eye.3. The method of claim 1 , wherein the raster scan is conducted by scanning a pulsed laser along the object to be imaged and detecting backreflected light from ...

AUGMENTED AND VIRTUAL REALITY DISPLAY SYSTEMS AND METHODS FOR DIAGNOSING HEALTH CONDITIONS BASED ON VISUAL FIELDS

Configurations are disclosed for a health system to be used in various healthcare applications, e.g., for patient diagnostics, monitoring, and/or therapy. The health system may comprise a light generation module to transmit light or an image to a user, one or more sensors to detect a physiological parameter of the user's body, including their eyes, and processing circuitry to analyze an input received in response to the presented images to determine one or more health conditions or defects. 1. (canceled)2. A wearable augmented reality device comprising: [ 'a light source configured to project light into the eye of the wearer to form a moving image in the eye; and', 'an augmented reality display platform configured to pass light from the world into an eye of a wearer wearing the head-mounted system, wherein the display platform comprises, 'a user interface configured to receive input from a user,, 'an augmented reality head-mounted ophthalmic system comprisingwherein the wearable augmented reality device is configured to project the image at a particular portion of a periphery of the wearer's visual field and to detect a response regarding the image to determine the health of that particular portion of the visual field.3. The device of claim 2 , wherein the moving image moves inward from the periphery of the wearer's visual field toward the center of the wearer's visual field.4. The device of claim 3 , wherein the wearable device is configured to detect a response from the wearer indicating a time at which the image becomes visible to the wearer.5. The device of claim 3 , wherein the wearable device is configured to detect a response from the wearer regarding an observed characteristic of the image.6. The device of claim 3 , wherein the light source is further configured to project an image of an object approaching the eye of the wearer.7. The device of claim 2 , wherein the display platform comprises a fiber scanning display.8. The device of claim 2 , wherein the ...

METHODS AND SYSTEMS FOR DIAGNOSING CONTRAST SENSITIVITY

Configurations are disclosed for a health system to be used in various healthcare applications, e.g., for patient diagnostics, monitoring, and/or therapy. The health system may comprise a light generation module to transmit light or an image to a user, one or more sensors to detect a physiological parameter of the user's body, including their eyes, and processing circuitry to analyze an input received in response to the presented images to determine one or more health conditions or defects. 1. (canceled)2. A wearable augmented reality device comprising: [ 'a light source configured to output light for propagation into the eye of the wearer to form an image in the eye; and', 'an augmented reality display platform configured to pass light from the world into an eye of a wearer wearing the head-mounted system, wherein the display platform comprises, 'a user interface configured to receive input from a user,, 'an augmented reality head-mounted ophthalmic system comprising project the image to the wearer; and', 'detect a response regarding the image to determine a contrast sensitivity of the wearer., 'wherein the wearable augmented reality device is configured to3. The device of claim 2 , wherein the image comprises a plurality of regions having different contrast levels.4. The device of claim 3 , wherein the image comprises a sine-wave grating.5. The device of claim 3 , wherein the image comprises a plurality of letters or numbers projected at different contrast levels.6. The device of claim 5 , wherein the image comprises a Pelli-Robson chart.7. The device of claim 5 , wherein the wearable device is configured to detect a response from the wearer indicating the letters claim 5 , numbers claim 5 , or shapes that are visible to the wearer.8. The device of claim 2 , wherein the light source is configured to consecutively project a plurality of images to the wearer.9. The device of claim 8 , wherein each of the plurality of images differs from at least one other of the ...

APPARATUS FOR DETERMINING AMETROPIA OF AN EYE

An apparatus for determining ametropia of an eye includes an optical assembly with a light source, a detector, a plurality of optical elements and at least one stray light stop and a controller. An illumination beam path is provided between the light source and an optical interface in order to allow illumination light generated by the light source to emerge from the optical interface. A measurement beam path is provided between the optical interface and the detector in order to supply measurement light entering through the optical interface to the detector. The measurement beam path passes through an aperture of the at least one stray light stop. A diameter of this aperture is variable or a position of this aperture along the measurement beam path is variable in order to reduce stray light at the detector. 1. Apparatus for determining ametropia of an eye , the apparatus comprising:an optical assembly including a light source, a detector, a plurality of optical elements and at least one stray light stop having an aperture;said light source being configured to generate illumination light;an optical interface;a controller;said optical assembly being configured such that an illumination beam path is provided between said light source and said optical interface in order to allow said illumination light generated by said light source to emerge from said optical interface;said optical assembly being further configured such that a measurement beam path is provided between said optical interface and said detector in order to supply measurement light entering through said optical interface to said detector;said measurement beam path passing through said aperture of the at least one stray light stop;said aperture of the at least one stray light stop having a variable diameter;a first actuator;said controller being configured to control said first actuator so as to change the diameter of the aperture.2. The apparatus of further comprising:a second actuator;said aperture having ...

Eye Surgery System

An eye surgery system 1 comprises microscopy optics 3 and an OCT device 5 to generate a light-optical image and an OCT image of an eye fundus 11, a controller 29 and a visualization system 13, 41, 83. The controller comprises a data interface 97 for receiving a preoperative OCT image and may control the visualization system to display a representation of the received preoperative OCT image. The controller may control the OCT device 5 to record an intraoperative OCT image and may control the visualization system to display a representation of the recorded intraoperative OCT image. The controller may adjust a magnification of the representation of the intraoperative OCT image and/or a magnification of the representation of the preoperative OCT image so that the magnifications of the representation of the intraoperative OCT image and the magnification of the representation of the preoperative OCT image are equal.

VISUAL TESTING USING MOBILE DEVICES

A mobile device and a method for testing an individual's vision are provided, the mobile device including a screen for displaying at least one test pattern, such as a smartphone or a tablet computer. A test of the individual's vision is performed using the test pattern displayed on the screen of the mobile device, in particular for testing visual acuity, contrast sensitivity and/or visual disturbances. Further, a parameter influencing the test result is evaluated before and/or during performing the test. The parameter includes at least one of the distance between the eye of the individual and the screen; the brightness at which the test pattern is displayed; and the ambient luminosity. 1. A mobile device for testing an individual's vision , the mobile device , including a screen for displaying a test pattern , ["(i) to perform at least one test of the individual's vision using at least one test pattern displayed on the screen of the mobile device and", the distance between the eye of the individual and the screen;', 'the brightness at which the test pattern is displayed; and', 'the ambient luminosity., '(ii) to evaluate a parameter which includes at least one of'}], 'wherein the mobile device is configured'}2. The mobile device according to claim 1 , wherein the distance between the eye of the individual and the screen and the ambient luminosity are evaluated.3. The mobile device according to claim 1 , wherein the distance between the eye of the individual and the screen claim 1 , the brightness at which the test pattern is displayed and the ambient luminosity are evaluated.4. The mobile device according to claim 1 , wherein the distance between the eye of the individual and the screen is evaluated by detecting the face of the user on the images fed from camera of the device and computing the distance between the two eyes inside the said image in order to estimate the distance between the device and the eye.5. The mobile device according to claim 1 , wherein the ...

Personal Monitoring For Vision Loss From Macular Degeneration

Described is a system that provides a vision test that may be implemented on various types of devices including a personal device such as a smartphone. The system may track potential vision abnormalities across an extended period of time by utilizing a comparison algorithm to compare results of vision tests to automatically determine whether the vision abnormality such as macular degeneration has progressed for a patient. Accordingly, the system provides an effective tool that may be deployed across a large portion of the population to provide early detection of potential vision loss. 1. A non-transitory machine-readable medium storing instructions which , when executed by one or more processors of a computing device , cause the computing device to perform operations comprising:displaying, on a display coupled to the device, a testing image suitable for detecting a vision abnormality for a user;receiving, from the user, an input identifying a first irregularity perceived by the user within the testing image;retrieving, by the device, a second irregularity within the testing image previously identified by the user; anddetermining, by the device, a result of the vision abnormality for the user by comparing the first irregularity with the second irregularity.2. The medium of claim 1 , wherein the result of the vision abnormality is determined automatically by the device and without human intervention.3. The medium of claim 1 , wherein the testing image is an amsler grid claim 1 , and wherein receiving the input identifying the first irregularity includes receiving a touch input to the display indicating an area of a distortion perceived by the user within the testing image.4. The medium of claim 3 , wherein comparing the first irregularity with the second irregularity includes determining the area of the distortion is larger than an area of a distortion within the testing image previously identified by the user.5. The medium of claim 1 , wherein determining the result ...

METHODS AND SYSTEMS FOR VISION MONITORING

An apparatus for measuring a visual field of a subject can include an enclosure, wherein the enclosure surrounds at least one eye of the subject; a display comprising a distance from the eye of the subject to a surface of the display, wherein the distance is substantially constant along a portion of the surface of the display; and a plurality of light sources disposed on the display, wherein the light sources comprise a plurality of stimuli for measuring the visual field of the subject, wherein the apparatus may be worn by the subject. 1. An apparatus for measuring visual function across a visual field of a subject comprising:an enclosure, wherein the enclosure is configured to surround at least one eye of the subject;a display comprising a surface, wherein the surface is configured to be spaced a distance from the eye of the subject, wherein the distance is substantially constant along a portion of the surface of the display; anda plurality of light sources disposed on the display, wherein the light sources comprise a plurality of stimuli for measuring the visual field of the subject,wherein the apparatus is configured to be worn by the subject.2. The apparatus of claim 1 , wherein the surface of the display comprises a dome shape claim 1 , a shape which is hemispherical claim 1 , or a shape which is a portion of a surface of the sphere.3. (canceled)4. (canceled)5. The apparatus of claim 1 , wherein the apparatus is monocular or binocular.6. (canceled)7. The apparatus of claim 1 , wherein the apparatus is light sealed.8. The apparatus of claim 1 , wherein the apparatus is semitransparent.9. The apparatus of claim 1 , wherein the display comprises a plurality of displays.10. (canceled)11. The apparatus of claim 1 , wherein the display does not comprise a back-light.12. The apparatus of claim 1 , wherein the plurality of light sources is stationary relative to the surface of the display.13. The apparatus of claim 1 , wherein the plurality of light sources is mobile ...

FOCUS ADJUSTMENT METHOD AND APPARATUS

Methods, apparatus, and system for a virtual reality device including a display monitor, an adjustable lens, and a focus sensor. The focus sensor may be used to measure a distance between an eye and the display monitor or whether the eye is able to focus images from the display monitor. The user may provide a diopter correction. The VR device may then adjust an optical power of the adjustable lens, based on at least one of the distance or whether the eye is able to focus images from the display monitor. The focus sensor may emit coded electromagnetic radiation and determine a time-of-flight of the coded electromagnetic radiation to determine the distance or whether the eye is able to focus images from the display monitor. The adjustable lens may comprise a flexible lens; the flexible lens may be adjusted with actuators, such as piezoelectric actuators. 1. A computer implemented method of displaying images , comprising: transmitting an electromagnetic radiation onto or into the eye , sensing a reflection of the electromagnetic radiation with a receiver and determining at least one of a distance between a display monitor and the eye or whether the eye is able to focus an image from the display monitor , adjusting an optical power of an adjustable lens between the display monitor and the eye based on at least one of the distance or the determination regarding whether the eye is able to focus an image from the display monitor , and displaying an image on the display monitor.2. The method according to claim 1 , further comprising determining whether the eye is able to focus the image from the display monitor based on at least one of a human input or a measurement with a structured electromagnetic radiation sensor.3. The method according to claim 2 , further comprising transmitting coded signals from a set of transmitters in the structured electromagnetic radiation sensor claim 2 , detecting reflections of the coded signals with a set of receivers in the structured ...

OPHTHALMIC EXAMINATION AND DISEASE MANAGEMENT WITH MULTIPLE ILLUMINATION MODALITIES

Imaging various regions of the eye is important for both clinical diagnostic and treatment purposes as well as for scientific research. Diagnosis of a number of clinical conditions relies on imaging of the various tissues of the eye. The subject technology describes a method and apparatus for imaging of the back and/or front of the eye using multiple illumination modalities, which permits the collection of one or more of reflectance, spectroscopic, fluorescence, and laser speckle contrast images. 111-. (canceled)12. A disease management system , comprising: an illumination module capable of generating coherent light;', 'a first optical assembly configured to direct the coherent light to a region of interest of a fundus of an eye;', 'an imaging sensor configured to generate image data based on light received from the region of interest; and', 'a second optical assembly configured to direct the light from the region of interest to the imaging sensor; and, 'an ophthalmic imaging device including calculate laser speckle contrast values based on the image data;', 'receive at least first patient-specific data; and', 'generate, based on the laser speckle contrast values and the first patient-specific data, first data for display on a display device, the first data including at least a laser speckle contrast image and the first patient-specific data., 'one or more processors configured to13. The disease management system of claim 12 , further comprising:one or more sensors configured to collect the at least first patient-specific data.14. The disease management system of claim 13 , wherein the one or more sensors include one or more of a blood glucose meter claim 13 , a continuous glucose monitor claim 13 , an infusion pump claim 13 , a weight scale claim 13 , or an exercise sensor.15. The disease management system of claim 12 , wherein the one or more processors are further configured to:analyze the laser speckle contrast values to determine blood vessel information ...

APPARATUS, METHOD, AND PROGRAM FOR PROCESSING IMAGE

A high-resolution image suited to the purpose of a doctor or the like is acquired. The present invention relates to an image processing apparatus including an acquisition unit configured to acquire a tomogram of a subject eye; a first extraction unit configured to extract part of the tomogram acquired by the acquisition unit; an estimating unit configured to estimate a high-frequency component based on a result of extraction by the extraction unit; and a combining unit configured to combine the high-frequency component with the tomogram acquired by the acquisition unit. 1. An image processing apparatus comprising:an acquisition unit configured to acquire a tomogram of a subject eye;a first extraction unit configured to extract part of the tomogram acquired by the acquisition unit;an estimating unit configured to estimate a high-frequency component based on a result of extraction by the extraction unit; anda combining unit configured to combine the high-frequency component with the tomogram acquired by the acquisition unit.2. The image processing apparatus according to claim 1 , wherein the first extraction unit extracts a region for use in diagnosis as part of the tomogram acquired by the acquisition unit.3. The image processing apparatus according to claim 1 , wherein the first extraction unit extracts at least one of a layer boundary and a granular object as part of the tomogram acquired by the acquisition unit.4. The image processing apparatus according to claim 1 , further comprising:a difference acquisition unit configured to acquire a difference between a reference image obtained by scaling up and down the tomogram acquired by the acquisition unit and the tomogram acquired by the acquisition unit,wherein the estimating unit estimates a high-frequency component based on the difference obtained by the difference acquisition unit and the result of extraction.5. The image processing apparatus according to claim 3 , further comprising:an image acquisition unit ...

BINARY CHOICE SELF-TESTING

My invention is an automated self-testing method utilizing binary choice, which is applicable to monocular and binocular eye tests and can be administered on computer, cellular phones, and other electronic devices. Binary choice of match or no match, yes or no, present or absence provides simple means of automated testing by stepwise progression through staircase algorisms. Necessary devices have been introduced in order to fully utilize the power of binary choice self testing, such as, (1) printed display overlays for testing fine visual acuity at near, (2) bright illuminator of printed overlays to allow automated potential vision testing, (3) the use of complementary color lenses and color test isopters for binocular perimetry. All the programs are linked together in a multifunction electronic program tailored for Internet applications 1. A method of automated vision testing on a display comprising:(a) providing a computer program capable of presenting visual stimuli for monocular or binocular viewing that eliciting specified sensory responses of varying quality and intensity,(b) providing an input means which a human can use to make a binary choice between two competing stimuli or distinguish between the presence or absence of a stimulus,(c) providing macros that are activated by said input selection that follow a staircase algorithm progressing to threshold endpoint, and(d) providing feedback to said human of said threshold,whereby, subjects may self-testing their visual function and become informed of possible visual problems.2. The method of further including a file for storing data resulting from said input data selection with said file being retrievable locally or remotely.3. The method of where said display is on a hand-held device claim 1 , such as claim 1 , a cellular phone claim 1 , or non-hand held device claim 1 , such as claim 1 , a laptop computer.4. The method of where all or part of said computer program resides at a remote site and is communicated ...

DETERMINATION OF A REFRACTIVE ERROR OF AN EYE

A method, a device, and a computer program for determining a refractive error of at least one eye of a user are disclosed, as well as a method for manufacturing a spectacle lens for the user. The method entails: displaying a periodic pattern on a screen, wherein a parameter of the periodic pattern includes at least one spatial frequency, wherein the parameter of the periodic pattern is varied; detecting a reaction of the user indicating that the user is able to perceive the periodic pattern; determining a point in time at which the user perceives the periodic pattern; and determining a value for the refractive error of the eye or eyes of the user from the periodic pattern at that point in time, wherein the value for the refractive error is determined from the at least one spatial frequency, determined at the point in time, of the periodic pattern. 1. A method for determining a refractive error of one or both eyes of a user , the method comprising:representing at least one periodic pattern on a visual display unit, wherein at least one parameter of the at least one periodic pattern represented on the visual display unit includes at least one spatial frequency, and wherein the spatial frequency is varied;capturing, with an input unit, a reaction of the user depending on the at least one periodic pattern represented on the visual display unit;establishing, with an evaluation unit, a point in time at which a recognizability of the at least one periodic pattern represented on the visual display unit by the user is evident from the reaction of the user; anddetermining, with the evaluation unit, a value for the refractive error of the one or both eyes of the user from the established point in time, wherein the value for the refractive error is determined from the at least one spatial frequency of the at least one periodic pattern defined at the established point in time,wherein the input unit is selected from a keyboard or a touch-sensitive visual display unit of a mobile ...

DEVICE AND METHOD FOR DETERMINING EYE MOVEMENTS BY TACTILE INTERFACE

An eye-movement determination method includes providing an a touch display and a memory that stores an image that includes a point of interest, wherein the image is a stored image, and repeatedly executing a set of steps. The steps include determining a position of a contact point, locating a corresponding position in an image that is displayed on the touch display, generating a degraded image from the stored image, displaying the degraded image on the touch display, and recording successive positions of the contact point. The contact point is a point at which a user contacts the touch display. The degraded image is substantially identical to the stored image with a clear zone but degrades beyond the clear zone. 110-. (canceled)11. An apparatus for determining eye movement , said apparatus comprising a touch display , a memory , and a processor configured to repeat a set of steps , wherein said set of steps comprises determining a position of a contact point at which a user touches said display , said position being a determined position , locating a corresponding portion in an image that is being displayed on said touch display , generating a degraded image based on a stored image , displaying said degraded image on said touch display , and recording successive positions of said contact point , wherein said degraded image is substantially identical to said stored image within a clear zone thereof , wherein said clear zone includes said determined position and surroundings thereof , wherein said stored image is degraded beyond said clear zone by a peripheral degradation parameter.12. A method comprising determining eye movements , wherein determining eye movements comprises providing an apparatus , executing a set of steps and repeating execution of said set of steps , wherein said apparatus comprises a touch display and a memory that stores an image that includes a point of interest , wherein said image is a stored image , wherein said set of steps comprises ...

Automated Measurement of Changes in Retinal, Retinal Pigment Epithelial, or Choroidal Disease

A method for for automatically measuring changes in retinal, retinal pigment epithelial, or choroidal disease includes retrieving a set of images of a fundus and selecting a plurality of images from the set of images. The plurality of images are co-registered and pre-processed such that the quality, contrast, and gain of each of the plurality of images is made similar. Then, a comparison is made between the plurality of images to determine a change in retinal, retinal pigment epithelial, or choroidal disease, wherein the change in retinal, retinal pigment epithelial, or choroidal disease is determined based on various disease metrics. Finally, an indication of the change in retinal, retinal pigment epithelial, or choroidal disease is generated for display to a user on a computing device. 1. A computer-implemented method for automatically measuring changes in retinal , retinal pigment epithelial , or choroidal disease , the method comprising:retrieving, with one or more processors, a set of images of a fundus;selecting, by the one or more processors, a plurality of images from the set of images, wherein the plurality of images includes images of the fundus captured at successive times; detecting a plurality of blood vessel locations within each of the plurality of images,', 'correlating the detected plurality of blood vessel locations in one of the plurality of images with a plurality of blood vessel locations in the remaining plurality of images, and', 'transforming the remaining plurality of images such that blood vessel locations in the remaining plurality of images are proximate to the detected plurality of blood vessel locations in the one of the plurality of images;, 'co-registering, by the one or more processors, the plurality of images, wherein co-registering the plurality of images includespre-processing, by the one or more processors, the plurality of images such that the quality, contrast, and gain of each of the plurality of images is made similar; ...

TERMINAL DEVICE, NON-TRANSITORY STORAGE MEDIUM HAVING STORED THEREON TERMINAL CONTROL PROGRAM, AND OPTOMETRY SYSTEM

A terminal device to operate a plurality of ophthalmic apparatuses includes a communication unit to perform communication with the ophthalmic apparatuses, a selection receiving unit to receive a selection command to select at least one ophthalmic apparatus as an operation target to be operated from among the ophthalmic apparatuses, and a control unit to transmit a control signal to the operation target ophthalmic apparatus through the communication unit. 1. A terminal device to operate a plurality of ophthalmic apparatuses , the terminal device comprising:a communication unit configured to perform communication with the plurality of ophthalmic apparatuses;a selection receiving unit configured to receive a selection command to select at least one ophthalmic apparatus as an operation target to be operated from among the plurality of ophthalmic apparatuses; anda control unit configured to transmit a control signal to the ophthalmic apparatus selected as the operation target through the communication unit.2. The terminal device according to claim 1 , wherein a display unit configured to display an operational region to operate the ophthalmic apparatus; and', 'an operation receiving unit configured to receive an operation from an examiner,, 'the selection receiving unit includes cause the display unit to separately display a first operational region to operate a first ophthalmic apparatus and a second operational region to operate a second ophthalmic apparatus different from the first ophthalmic apparatus;', 'transmit a first control signal for operating the first ophthalmic apparatus to the first ophthalmic apparatus based on the operation received on the first operational region by the operation receiving unit; and', 'transmit a second control signal for operating the second ophthalmic apparatus to the second ophthalmic apparatus based on the operation received on the second operational region by the operation receiving unit., 'the control unit is configured to3. The ...

USER AWARE DIGITAL VISION CORRECTION

A method, a system, and an information handling system dynamically provide individualized dynamic digital display correction for users of an electronic device. An information handling system detects a login of a first user profile that is associated with a first user. The information handling system then determines whether the first user profile has an associated first vision profile. In response to the first user profile having an associated first vision profile, a vision correction value associated with the first user is identified and a first change in image characteristics which may be applied to a graphical user interface (GUI) in order to achieve the vision correction value is calculated. A size of the display of the information handling system is detected and the first change in image characteristics is further adjusted based on this size before the adjusted image characteristic in image characteristics is applied. 1. A method comprising:detecting, at an information handling system, a login of a first user profile of one or more user profiles, wherein the first user profile is associated with a first user;in response to detecting the login of the first user profile, determining whether the first user profile has an associated first vision profile; and identifying, from the first vision profile, a vision correction value associated with the first user;', 'calculating a first change in image characteristics that may be applied to a graphical user interface (GUI) in order to achieve the vision correction value;', 'detecting a size of the display of the information handling system;', 'adjusting the first change in image characteristics based on the size of the display to generated adjusted image characteristics; and', 'applying one of the first change in image characteristics and the adjusted image characteristics to the GUI, wherein the GUI is displayed on a display of the information handling system with at least the first change in image characteristics ...

SYSTEMS AND METHODS FOR EVALUATING HUMAN EYE TRACKING

Systems and methods are disclosed for evaluating human eye tracking. One method includes receiving data representing the location of and/or information tracked by an individual's eye or eyes before, during, or after the individual performs a task; identifying a temporal phase or a biomechanical phase of the task performed by the individual; identifying a visual cue in the identified temporal phase or biomechanical phase; and scoring the tracking of the individual's eye or eyes by comparing the data to the visual cue. 1. A method for evaluating human eye tracking , the method including:receiving data representing the location of and/or information tracked by an individual's eye or eyes before, during, or after the individual performs a task;identifying a temporal phase or a biomechanical phase of the task performed by the individual;identifying a visual cue in the identified temporal phase or biomechanical phase; andscoring the tracking of the individual's eye or eyes by comparing the data to the visual cue.2. The method of claim 1 , wherein the data is one or more of: image data of the individual's eye or eyes claim 1 , coordinate data of the location of the individual's eye or eyes claim 1 , and coordinate data of a location on which the individual's eye or eyes were focused.3. The method of claim 1 , wherein the data is received claim 1 , either locally or over a network claim 1 , from a wearable eye tracker configured to obtain the data by imaging the individual's eye or eyes.4. The method of claim 1 , further comprising:determining a target range associated with the visual cue, the target range defining an ideal viewing area around the visual cue; andscoring the tracking of the individual's eye or eyes by comparing the tracking to the determined target range.5. The method of claim 1 , further comprising:identifying movement of the identified visual cue, the identified movement including a set of coordinates of the visual cue at each of a plurality of points in ...

PERSONAL MONITORING FOR VISION LOSS FROM MACULAR DEGENERATION

Described is a system that provides a vision test that may be implemented on various types of devices including a personal device such as a smartphone. The system may track potential vision abnormalities across an extended period of time by utilizing a comparison algorithm to compare results of vision tests to automatically determine whether the vision abnormality such as macular degeneration has progressed for a patient. Accordingly, the system provides an effective tool that may be deployed across a large portion of the population to provide early detection of potential vision loss. 1. A device being held by a user , comprising:a memory storing instructions; and employ at least one sensing device to determine a position of the device relative to the user, wherein the at least one sensing device comprises at least one gyroscope, and the position of the device relative to the user comprises an angle of a screen of the device relative to the eye of the user determined based on the at least one gyroscope;', 'in response to a determination that the position of the device relative to the user is not correct, present instructions to the user to adjust the position of the device relative to the user to a defined position, wherein the defined position comprises a defined angle of the screen of the device relative to the eye of the user;', 'perform, using at least the screen, a visual test to detect a vision abnormality of the user., 'a processor coupled to the memory to execute the instructions from the memory, the processor configured to2. The device of claim 1 , wherein the vision abnormality is a macular degeneration.3. The device of claim 1 , wherein the visual test comprises a display of an amsler grid on the screen.4. The device of claim 1 , wherein the processor is further configured to receive a touch input on the screen identifying an area of a distortion perceived by the user.5. The device of claim 4 , wherein the processor is further configured to detect the ...

ANOMALOSCOPE HAVING PIXELS EMITTING MONOCHROMATIC LIGHT AT THREE WAVELENGTHS

An anomaloscope comprises a display and a controller of the display. The display has pixels arranged in a plurality of groups, each group containing at least three pixels, each pixel being capable of emitting monochromatic light at a distinct wavelength. The controller of the display causes the display to emit, in at least one of the plurality of groups, light at a first wavelength and causes the display to emit, in at least another one of the plurality of groups, light at two other wavelengths. The controller of the display controls intensities of the light emitted at each of the distinct wavelengths to generate of a pair of metameric colors between the light emitted at the first wavelength and a combination of the light emitted at the two other wavelengths. A method uses the anomaloscope to assess an ability of a subject to discriminate between colors. 1. An anomaloscope , comprising:a display having pixels arranged in a plurality of groups, each group containing at least three pixels, each pixel being capable of emitting monochromatic light at a distinct wavelength; and cause the display to emit, from at least one of the plurality of groups, light at a first one of the distinct wavelengths;', 'cause the display to emit, from at least another one of the plurality of groups, light at two other ones of the distinct wavelengths; and', 'control intensities of the light emitted at each of the distinct wavelengths to generate of a pair of metameric colors between the light emitted at the first one of the distinct wavelengths and a combination of the light emitted at the two other ones of the distinct wavelengths., 'a controller of the display operatively connected to the display and configured to2. The anomaloscope of claim 1 , further comprising an operator interface operatively connected to the controller of the display and configured to provide to the controller of the display an indication of the groups emitting light at the first one of the distinct wavelengths.3. ...

Methods and Systems for Determining Refractive Corrections of Human Eyes for Eyeglasses

Methods, devices, and systems are disclosed for determining refractive corrections of human eyes to reduce and eliminate image distortion associated with eyeglasses. In some embodiments, an objective refraction module is configured to measure refractive errors of an eye objectively, without subjective feedback from a tested subject. A computation module is configured to generate a plurality of objective prescriptions. A phoropter module is configured to perform a subjective refraction for determining a plurality of subjective spherical powers based on the plurality of objective prescriptions. An output module is configured to generate a plurality of prescriptions for eyeglasses, the plurality of prescriptions comprising (a) a first prescription having a first subjective spherical power f s1 , a first objective cylinder power F c1 , and a first objective cylinder angle F a1 , and (b) a second prescription having a second subjective spherical power f s2 , a second objective cylinder power F c2 , and a second objective cylinder angle F a2 .

CORRECTIVE EYEGLASSES AND METHOD FOR SUBJECTIVE REFRACTION BY A WEARER OF SAID EYEGLASSES

The invention relates to vision compensating spectacles comprising means of support () on a wearer's face and at least one optical subassembly () mounted on the support means () opposite at least one of the wearer's eyes. 1. Vision compensating spectacles comprising means of support on a wearer's face and at least one optical subassembly mounted on the support means opposite at least one of the wearer's eyes ,wherein the optical subassembly comprises three optical elements mounted on the support means in series along an optical axis, including a first optical element of cylindrical power for a direction of gaze of the wearer along the optical axis, a second optical element of cylindrical power for the said direction of gaze and a third optical element of variable spherical power for the said direction of gaze, the first optical element and the second optical element being adjustable in rotation about the optical axis independently of one another.2. Spectacles according to claim 1 , in which the optical axis is perpendicular to the cylinder axis of the first and second optical elements.3. Spectacles according to claim 1 , in which the first and second optical elements do not exert any spherical power for the said direction of gaze of the wearer.4. Spectacles according to claim 1 , in which each of the first claim 1 , second and third optical elements is a lens of diameter greater than or equal to 20 mm.5. Spectacles according to claim 1 , in which the optical subassembly comprises an electronic card designed to control the spherical power of the third optical element claim 1 , the position of the first optical element about the optical axis and the position of the second optical element in rotation about the optical axis as a function of setpoint information.6. Spectacles according to claim 5 , in which the optical subassembly comprises an inclinometer and in which the electronic card is designed to determine the setpoint information as a function of an item of ...

Methods And Apparatus for Treating Keratoconus

A method of treating keratoconus in an eye of a patient includes measuring a surface of a cornea of the eye to acquire eye topography data. The method includes, based on the eye topography data, selecting a topographic pattern from topographic patterns displayed in a graphical user interface. The method includes entering vision corrective parameters for the eye of the patient into the graphical user interface. The method includes actuating a processing module to obtain a surgical plan based on the selected topographic pattern and the entered vision corrective parameters. The method includes reviewing intrastromal corneal ring segment (ICRS) implantation surgery parameters specified by the surgical plan and displayed in the user interface. The ICRS implantation surgery parameters include specification of at least one ICRS. The method includes performing implantation surgery of the at least one ICRS into the eye of the patient according to the surgical plan. 1. A method of treating keratoconus in an eye of a patient , the method comprising:measuring a surface of a cornea of the eye to acquire eye topography data;based on the eye topography data, selecting a topographic pattern from a plurality of topographic patterns displayed in a graphical user interface;entering a plurality of vision corrective parameters for the eye of the patient into the graphical user interface;actuating a processing module associated with the graphical user interface to obtain a surgical plan based on the selected topographic pattern and the plurality of entered vision corrective parameters;reviewing intrastromal corneal ring segment (ICRS) implantation surgery parameters specified by the surgical plan and displayed in the graphical user interface, wherein the ICRS implantation surgery parameters include specification of at least one ICRS; andperforming implantation surgery of the at least one ICRS into the eye of the patient according to the surgical plan.2. The method of wherein:the ICRS ...

USING A 3D DISPLAY TO TRAIN A WEAK EYE

A method for treating a weak viewer-eye includes the steps of receiving eye-strength data indicative of an eye-strength of the weak viewer-eye and causing a 3D display system to vary, in accordance with the eye-strength of the weak viewer-eye, display characteristics of a perspective that the 3D display system displays. 1. A method for treating a weak viewer-eye , the method comprising:receiving eye-strength data indicative of an eye-strength of a weak viewer-eye with respect to a strong viewer-eye; andcausing a 3D display system to vary, in accordance with the eye-strength of the weak viewer-eye, display characteristics of a perspective that the 3D display system displays, wherein varying the display characteristics cause the weak viewer-eye to work harder than the strong viewer-eye to visualize the perspective without alerting the viewer of the weak viewer-eye working harder.2. The method of claim 1 , wherein the eye-strength data is received from an external storage medium.3. The method of claim 1 , wherein the eye-strength data is received from an integral eye-monitoring system.4. The method of claim 1 , further comprising generating claim 1 , at an eye-monitoring system claim 1 , the eye-strength data.5. The method of claim 4 , wherein generating the eye-strength data comprises tracking the focus of the weak viewer-eye and a corresponding strong viewer-eye.6. The method of claim 5 , wherein generating the eye-strength data comprises determining the strength of the weak viewer-eye relative to the strong viewer-eye based on the tracked focus.7. The method of claim 4 , wherein generating the eye-strength data comprises monitoring the dilation of the weak viewer-eye to determine the eye-strength of the weak viewer-eye.8. The method of claim 4 , wherein generating the eye-strength data comprises:using the 3D display system to perform an eye-strength test; andas part of the eye-strength test, receiving user-input indicative of the eye-strength of the weak viewer-eye. ...

OPTICAL MEASUREMENT SYSTEM AND METHOD INCLUDING BLINK RATE MONITOR AND/OR TEAR FILM BREAKUP DETECTOR

An optical measurement system and method measure a characteristic of a subject's eye. The optical measurement system receives from an operator, via a user interface of the optical measurement instrument, a begin measurement instruction indicating the start of a measurement period for objectively measuring at least one characteristic of the subject's eye. Subsequent to receiving the begin measurement instruction, the optical measurement system determines whether a criterion associated with the tear film quality of the subject's eye is not satisfied. In response to determining that the criterion is not satisfied, the optical measurement instrument takes one or more corrective actions to measure the characteristic of the subject's eye under a condition wherein the criterion is satisfied. 128-. (canceled)29. A method for measuring a characteristic of a subject's eye , the method comprising:an optical measurement instrument receiving from an operator, via a user interface of the optical measurement instrument, a begin measurement instruction indicating the start of a measurement period for objectively measuring at least one characteristic of the subject's eye;subsequent to receiving the begin measurement instruction, determining whether the subject's eye exhibits excessive tearing; andin response to determining that the subject's eye exhibits excessive tearing, taking one or more corrective actions to measure the characteristic of the subject's eye under a condition wherein the subject's eye does not exhibit excessive tearing.30. The method of claim 29 , wherein the one or more corrective actions includes discarding any measurements made when there is excessive tearing.31. The method of claim 29 , wherein determining whether the subject's eye exhibits excessive tearing includes:capturing a series of images of the subject's eye, and employing pattern recognition to detect in the captured images shimmering reflections of light sources by the eye; anddetermining that the ...

VISION MEASUREMENT AND TRAINING SYSTEM AND METHOD OF OPERATION THEREOF

One aspect of the disclosure provides a binocular viewing system. In one embodiment, the binocular viewing system includes a binocular viewer and a computer. The binocular viewer has left and right display screens and a variable focal depth optical subsystem located in an optical path between and separate from the display screens and a user when the user uses the binocular viewer. The computer is configured to provide control signals to the binocular viewer. The control signals are operable to place images on the left and right display screens and vary a focal depth of the variable focal depth optical subsystem. The images include a plurality of objects controlled by the variable focal depth optical subsystem to make at least one of the plurality of objects appear closer to the user and at least one of another of said plurality of objects appear farther away from the user. 1. A binocular viewer , comprisingleft and right display screens; anda variable focal depth optical subsystem located in an optical path between and separate from said display screens and a user when said user uses said binocular viewer.2. The binocular viewer as recited in claim 1 , further comprising at least one alignment device to ensure alignment of said binocular viewer.3. The binocular viewer as recited in wherein said at least one alignment device is selected from the group consisting of:a head strap;a head piece;at least one temple pad; andat least one nose piece.4. A method of using a binocular viewer claim 2 , comprising:viewing left and right display screens of said binocular viewer through a variable focal depth optical subsystem associated therewith and separate therefrom.5. The method as recited in claim 4 , further comprising aligning said binocular viewer.6. The method as recited in claim 5 , wherein said aligning uses a first measurement of said user compared to a second measurement of said user to generate a signal to said user of misalignment.7. The method as recited in wherein ...

METHODS, APPARATUS, AND SYSTEMS FOR OPHTHALMIC TESTING AND MEASUREMENT

Methods, apparatus, and systems for performing an ophthalmic diagnostic test are disclosed. In one aspect, a head-wearable device for administering an ophthalmic test to a subject can comprise a head-wearable frame for mounting the device onto the subject's head, and a light seal configured for coupling to the frame so as to isolate at least one eye of the subject from ambient light when the device is worn by the subject. 1. A head-wearable ophthalmic testing and measurement system comprising:a head-wearable frame;at least one test light source mounted in the head-wearable frame and configured to generate at least one of a stimulus light and a bleaching light;at least one optical system mounted in the head-wearable frame and configured to direct light generated by the at least one test light source onto at least one eye of a test subject; anda movable platform on which the at least one test light source and the at least one optical system are mounted, the movable platform being movable along at least two orthogonal directions and configured to align the at least one test light source relative to a pupil of the at least one eye of the test subject.2. The head-wearable ophthalmic testing and measurement system of claim 1 , further comprising at least one fixation light source configured to generate a fixation light that directs attention of the test subject to the light generated by the at least one test light source.3. The head-wearable ophthalmic testing and measurement system of claim 2 , wherein the at least one fixation light source is configured to be movable to allow bringing the fixation light into focus when viewed by the test subject.4. The head-wearable ophthalmic testing and measurement system of claim 2 , further comprising at least one mechanism mounted onto the head-wearable frame and coupled to the at least one fixation light source claim 2 , wherein the mechanism is configured to move the at least one fixation light source relative to the at least one ...

METHODS, APPARATUS, AND SYSTEMS FOR OPHTHALMIC TESTING AND MEASUREMENT

Methods, apparatus, and systems for performing an ophthalmic diagnostic test are disclosed. In one aspect, a head-wearable device for administering an ophthalmic test to a subject can comprise a head-wearable frame for mounting the device onto the subject's head, and a light seal configured for coupling to the frame so as to isolate at least one eye of the subject from ambient light when the device is worn by the subject.

METHODS, APPARATUS, AND SYSTEMS FOR OPHTHALMIC TESTING AND MEASUREMENT

Methods, apparatus, and systems for performing an ophthalmic diagnostic test are disclosed. In one aspect, a head-wearable device for administering an ophthalmic test to a subject can comprise a head-wearable frame for mounting the device onto the subject's head, and a light seal configured for coupling to the frame so as to isolate at least one eye of the subject from ambient light when the device is worn by the subject. 1. A head-wearable ophthalmic testing and measurement system comprising:a head-wearable frame;at least one test light source mounted in the head-wearable frame and configured to generate at least one of a stimulus light and a bleaching light;at least one optical system mounted in the head-wearable frame and configured to direct light generated by the at least one test light source onto at least one eye of a test subject; anda movable platform on which the at least one test light source and the at least one optical system are mounted, the movable platform being movable along at least two orthogonal directions and configured to align the at least one test light source relative to a pupil of the at least one eye of the test subject.2. The head-wearable ophthalmic testing and measurement system of claim 1 , further comprising at least one fixation light source configured to generate a fixation light that directs attention of the test subject to the light generated by the at least one test light source.3. The head-wearable ophthalmic testing and measurement system of claim 2 , wherein the at least one fixation light source is configured to be movable to allow bringing the fixation light into focus when viewed by the test subject.4. The head-wearable ophthalmic testing and measurement system of claim 2 , further comprising at least one mechanism mounted onto the head-wearable frame and coupled to the at least one fixation light source claim 2 , wherein the mechanism is configured to move the at least one fixation light source relative to the at least one ...

Methods, apparatus, and systems for ophthalmic testing and measurement

Methods, apparatus, and systems for performing an ophthalmic diagnostic test are disclosed. In one aspect, a head-wearable device for administering an ophthalmic test to a subject can comprise a head-wearable frame for mounting the device onto the subject's head, and a light seal configured for coupling to the frame so as to isolate at least one eye of the subject from ambient light when the device is worn by the subject.

METHODS, APPARATUS, AND SYSTEMS FOR OPHTHALMIC TESTING AND MEASUREMENT

Methods, apparatus, and systems for performing an ophthalmic diagnostic test are disclosed. In one aspect, a head-wearable device for administering an ophthalmic test to a subject can comprise a head-wearable frame for mounting the device onto the subject's head, and a light seal configured for coupling to the frame so as to isolate at least one eye of the subject from ambient light when the device is worn by the subject. 1. A head-wearable ophthalmic testing and measurement system comprising:a head-wearable frame;at least one test light source mounted in the head-wearable frame and configured to generate at least one of a stimulus light and a bleaching light;at least one optical system mounted in the head-wearable frame and configured to direct light generated by the at least one test light source onto at least one eye of a test subject; anda movable platform on which the at least one test light source and the at least one optical system are mounted, the movable platform being movable along at least two orthogonal directions and configured to align the at least one test light source relative to a pupil of the at least one eye of the test subject.2. The head-wearable ophthalmic testing and measurement system of claim 1 , further comprising at least one fixation light source configured to generate a fixation light that directs attention of the test subject to the light generated by the at least one test light source.3. The head-wearable ophthalmic testing and measurement system of claim 2 , wherein the at least one fixation light source is configured to be movable to allow bringing the fixation light into focus when viewed by the test subject.4. The head-wearable ophthalmic testing and measurement system of claim 2 , further comprising at least one mechanism mounted onto the head-wearable frame and coupled to the at least one fixation light source claim 2 , wherein the mechanism is configured to move the at least one fixation light source relative to the at least one ...

PHOTOBLEACHING METHOD

The present disclosure provides an improved method for photobleaching an eye of a subject. The disclosed method may be used in a number of psychophysical test methods, including, but not limited to, measurement of dark adaptation. The improved method for photobleaching involves at least one of the following improvements: (i) the use of a bleaching light emitting a particular wavelength of light or a tailored spectrum of wavelengths; (ii) restricting or otherwise spatially tailoring the region of the retina that is subject to photobleaching; and (iii) utilizing a bleaching light having an intensity that is at or below the intensity of ambient daylight. The present disclosure additionally provides a combination of a photobleaching light and an apparatus to administer a psychophysical test suitable for use in practicing the disclosed methods.

OPHTHALMOLOGIC EXAMINATION SYSTEM AND OPHTHALMOLOGIC APPARATUS

An ophthalmologic examination system that examines a subject's eye with an ophthalmologic apparatus includes an information acquisition portion that acquires a patient's ID determined for each patient and an examination order determined for each patient, an information storage portion that stores the patient's ID and the examination order which are obtained by the information acquisition portion and are linked, an ID reception portion that receives input of the patient's ID, an order read-out portion that reads out the examination order linked to the patient's ID received by the ID reception portion from the information storage portion, and an examination control portion that sets the ophthalmologic apparatus to at least an examination ready state based on the examination order read out by the order read-out portion.

Tunable-Lens-Based Refractive Examination

An apparatus, and corresponding method, for determining a refractive property of an eye includes a housing with a port configured to receive an eye and also light from the eye. A tunable lens can be mounted to the housing to apply a variable focal power to the light from the eye and to pass the light along an optical path toward a wavefront sensor within the housing. The wavefront sensor can receive the light via the optical path and measure a wavefront thereof. A determination module can be configured to determine a property of the eye based on the wavefront. Embodiments can be handheld, portable, and open view, while providing objective wavefront aberrometry, subjective phoroptry, and accommodation and presbyoptic evaluation, as well as lensometry functions. 1. An apparatus for determining a property of an eye , the apparatus comprising:a housing including a proximal port configured to receive an eye and to receive light from the eye,the housing further including a distal port, the proximal and distal ports together forming a visual channel from the proximal port through the distal port, the visual channel providing an open view to enable the eye to see target indicia external to and spaced away from the housing;a visual tunable lens configured to be mounted to the housing, to apply a variable focal power to the light from the eye, and to pass the light along an optical path;a wavefront sensor within the housing, the wavefront sensor being configured to receive the light from the eye via the optical path and to measure a wavefront of the light from the eye;a control circuit configured to adjust the variable focal power of the visual tunable lens iteratively in response to successive wavefront measurements, in closed-loop manner, to minimize a wavefront error of the light from the eye to determine an objective refractive correction for the eye,wherein the control circuit is further configured to adjust the variable focal power of the visual tunable lens to a ...

METHOD AND APPARATUS FOR TESTING A PATIENT'S VISUAL FIELD

A method and apparatus for testing a patient's visual field. The testing apparatus comprises a display () and a patient input device (). A home target () is presented on the display (), along with a cursor () being moveable under control of the patient input device (). Once the cursor () is moved to the home target (), a visual field target () is presented on the display () at a first position. The visual field target () is recorded as detected if the cursor () moves a predetermined distance towards the visual field target (). The step is repeated for further visual field targets () at further positions for determining the patient's visual field based on the positions of the visual field targets () that have been detected. 1. A method for testing a patient's visual field using a testing apparatus having a display and a patient input device , the method comprising the steps of:a) presenting a home target on the display;b) displaying a cursor on the display, the cursor being moveable by the patient using the patient input device;c) once the cursor is moved to the home target, presenting a visual field target on the display at a first position;d) recording the visual field target as detected if the patient moves the cursor a predetermined distance towards the visual field target; ande) repeating steps c) and d) for further visual field targets at further positions for determining the patient's visual field based on the positions of the visual field targets that have been detected.2. A method according to claim 1 , wherein the home target is presentable at different positions on the display.3. A method according to claim 1 , wherein in step c) the visual field target is presented once the cursor is moved at least partially over the home target.4. A method according to claim 1 , wherein the predetermined distance is a distance from the home target.5. A method according to claim 1 , wherein the predetermined distance is defined by a boundary around the home target.6. A ...

OPTICAL COHERENCE TOMOGRAPHY DEVICE, METHOD, AND SYSTEM

In accordance with one aspect of the present invention, an optical coherence tomography instrument comprises an eyepiece for receiving at least one eye of a user is provided; a light source that outputs light that is directed through the eyepiece into the user's eye; an interferometer configured to produce optical interference using light reflected from the user's eye; an optical detector disposed so as to detect said optical interference; and electronics coupled to the detector. The electronics can be configured to perform a risk assessment analysis based on optical coherence tomography measurements obtained using the interferometer. An output device can be electrically coupled to the electronics, and may be configured to output the risk assessment to the user through the output device. The optical coherence tomography instrument can be self-administered, and the eyepiece can be a monocular system or a binocular system. 1. An optical coherence tomography instrument comprising:an eyepiece for receiving at least one eye of a user;a light source that outputs light that is directed through the eyepiece into the user's eye;an interferometer configured to produce optical interference using light reflected from the user's eye; an optical detector disposed so as to detect said optical interference;electronics coupled to the detector and configured to perform a risk assessment analysis based on optical coherence tomography measurements obtained using said interferometer; andan output device electrically coupled to the electronics, said output device configured to output the risk assessment to the user through the output device.2. The optical coherence tomography instrument of claim 1 , wherein the eyepiece is a monocular.3. The optical coherence tomography instrument of claim 1 , wherein the eyepiece is binocular.4. The optical coherence tomography instrument of claim 1 , wherein the light source comprises a superluminescent diode.5. The optical coherence tomography ...

OPEN RETINOSCOPE COUPLABLE TO A SMARTPHONE

The invention relates to a novel open retinoscope comprising: a body () comprising a light source () oriented in the longitudinal direction and a first coupling means () for coupling to a Volk lens () holder in a longitudinally sliding manner; a Volk lens () holder (), coupled in a longitudinally sliding manner to the body (), where the holder () comprises a second longitudinal sliding coupling means () which is complementary to the first longitudinal sliding coupling means () of the body (); and a smartphone adaptor () which can be connected to the body () in a transversely sliding manner. 1. An open retinoscope coupleable to a smartphone comprising:a body comprising a light source oriented in the longitudinal direction and a first coupling means for coupling to a Volk lens in a longitudinally sliding manner,a Volk lens holder including the Volk lens, the holder being coupled in a longitudinally sliding manner to the body, wherein the holder comprises a second longitudinal sliding coupling means which is complementary to the first longitudinal sliding coupling means of the body; anda smartphone adaptor which can be connected to the body in a transversely sliding manner.2. The open retinoscope according to claim 1 , wherein the smartphone adaptor comprises on a first face an adjustable fixing means for a smartphone and on an opposite second face a third transverse sliding coupling means which is complementary to a fourth transverse sliding coupling means of the body.3. The open retinoscope according to claim 2 , wherein the adjustable fixing means of the smartphone adaptor comprises a fixed flange and a transversely adjustable flange claim 2 , such that the transversely adjustable flange moves closer to and away from said fixed flange.4. The open retinoscope according to claim 2 , wherein the body comprises a longitudinal portion incorporating the first coupling means and a transverse portion incorporating the fourth coupling means and the light source.5. The open ...

METHOD OF IDENTIFYING AN EYE DISORDER OF AN OBSERVER AND APPARATUS FOR IMPLEMENTING THE SAME

In one embodiment, the invention provides the use of an interocular inhibition procedure (IIP) for discriminating between anisometropic amblyopia and myopia, two disorders commonly confused in visual examination without proper optical correction. The inventors identified that opaque and translucent patching over the fellow (or untested) eye would result in different contrast sensitivities in the amblyopic (or tested) eye. In another embodiment, the invention provides a procedure for identifying amblyopia and myopia/hyperopia through the use of a pinhole aperture. Also disclosed are apparatus utilized in the procedures. 1. A method of identifying an eye disorder of an observer , the method being accomplished with an apparatus comprising a display , a user interface , and a processor , the method comprising:the display generating first stimuli for the observer while an untested eye of the observer is covered with a translucent medium, the first stimuli being generated as part of a first trial for a tested eye of the observer;the display generating second stimuli for the observer while the untested eye of the observer is covered with an at least substantially opaque medium, the second stimuli being generated as part of a second trial for the tested eye;the user interface receiving first input for the first trial;the user interface receiving second input for the second trial;the processor determining a first contrast sensitivity function (CSF) using the first input;the processor determining a second contrast sensitivity function (CSF) using the second input;the processor calculating a first area under contrast sensitivity function (AUCSF) for the first CSF;the processor calculating a second area under contrast sensitivity function (AUCSF) for the second CSF;the processor defining an inhibition index for the first and second trials as the ratio of one of the first AUCSF and the second AUCSF over the other of the first AU and the second AUCSF;the processor identifying an ...

EYE SURGERY SYSTEM

An eye surgery system comprises microscopy optics and an OCT device to generate a light-optical image and an OCT image of an eye fundus a controller and a visualization system The controller comprises a data interface for receiving a preoperative OCT image and may control the visualization system to display a representation of the received preoperative OCT image. The controller may control the OCT device to record an intraoperative OCT image and may control the visualization system to display a representation of the recorded intraoperative OCT image. The controller may adjust a magnification of the representation of the intraoperative OCT image and/or a magnification of the representation of the preoperative OCT image so that the magnifications of the representation of the intraoperative OCT image and the magnification of the representation of the preoperative OCT image are equal. 1. An eye surgery system comprising: a controller; and', 'a visualization system;, 'an optical system including microscopy optics and an OCT device, wherein the microscopy optics are configured to generate a light-optical image of an eye fundus, and wherein the OCT device is configured to scan the eye fundus using an OCT measurement beam and to generate an OCT image of the eye fundus;'}wherein the controller comprises a data interface to receive a preoperative OCT image and is configured to control the visualization system to display a representation of the preoperative OCT image,wherein the controller is further configured to control the OCT device to record an intraoperative OCT image and to control the visualization system to display a representation of the recorded intraoperative OCT image,wherein the controller is further configured to adjust at least one property of a group of properties so that at least one condition of a first group of conditions is fulfilled, the magnification of the representation of the intraoperative OCT image and the magnification of the representation of the ...

OPHTHALMIC DEVICE, METHOD AND SYSTEM

The present invention relates to an eye testing and image capture device for testing and examination of an eye comprising an image display device to display an image for viewing by an eye to be tested; an image capture device to capture an image of the eye; a beam splitter positioned to split light between the image capture device and the image display device; and a lighting array for illuminating the eye wherein the lighting array comprises a first array positioned at a first angle to the eye and a second array positioned at a second angle to the eye and the first array and second array comprise two or more different light types. The present invention also relates to a method of obtaining eye test data and one or more image of an eye as well as to a system and method of screening a patient using the device and method. 1. An eye testing and image capture device for testing and examination of an eye comprising:an image display device to display an image for viewing by an eye to be tested;an image capture device to capture an image of the eye to be examined;a beam splitter positioned to split light between the image capture device and the image display device; anda lighting array for illuminating the eye to be tested and imaged wherein the lighting array comprises a first array positioned at a first angle to the eye and a second array positioned at a second angle to the eye and the first array and second array comprise two or more different light types.2. The device of wherein the displayed image is viewed by or visible to the eye simultaneously with the captured image being captured.3. The device of wherein the two or more light types comprise white light and light of a defined wavelength.4. The device of wherein the two or more light types comprise a slit light source.5. The device of wherein the light of a defined wavelength comprises coloured light.6. The device of wherein the light types comprise a blue light source claim 1 , a white light source and a slit light ...

Assessing visual function

Methods, systems, and devices are provided for assessing visual function, especially in animals. For example, a device can be used for assessing visual functions, such as PLR and OMR, in animals that includes a visual stimulus unit. The device can also include one or more input devices that include at least one camera that is configured to monitor movement of the test subject and a processor that is configured to analyze the movement of the test subject taken by the camera and to assess visual functions of the test subject. The device can be used in a system including a designated general location for the test subject in which the test subject can see the visual stimulus unit and move freely while being monitored by the camera.

EYE IMAGING APPARATUS AND SYSTEMS

Various embodiments of an eye imaging apparatus are disclosed. In some embodiments, the eye imaging apparatus may comprise a light source, an image sensor, a hand-held computing device, and an adaptation module. The adaptation module comprises a microcontroller and a signal processing unit configured to adapt the hand-held computing device to control the light source and the image sensor. In some embodiments, the imaging apparatus may comprise an exterior imaging module to image an anterior segment of the eye and/or a front imaging module to image a posterior segment of the eye. The eye imaging apparatus may be used in an eye imaging medical system. The images of the eye may be captured by the eye imaging apparatus, transferred to an image computing module, stored in an image storage module, and displayed in an image review module. 1. An eye imaging apparatus comprising:a light source configured to illuminate an eye;an image sensor disposed to receive an image of the eye;a computing and communication unit comprising a modified mobile computing device configured to receive and transmit the image; andan adaptation module configured to adapt the modified mobile computing device to control the light source and the image sensor.2. The eye imaging apparatus in claim 1 , wherein the modified mobile computing device comprises a modified hand-held computing device.3. The eye imaging apparatus in claim 2 , wherein the modified mobile computing device is a modified smart phone.4. The eye imaging apparatus in claim 1 , wherein the modified mobile computing device comprises a signal processing unit claim 1 , wherein the signal processing unit comprises instructions to convert the signals from the image sensor and the light source to a data format that is recognizable by one of the input/output ports of the mobile computing device and to convert the signals from one of the input/output ports of the mobile computing device to a data format that is recognizable by the image sensor ...

EYE IMAGING APPARATUS AND SYSTEMS

Various embodiments of an eye imaging apparatus are disclosed. In some embodiments, the eye imaging apparatus may comprise a light source, an image sensor, a hand-held computing device, and an adaptation module. The adaptation module comprises a microcontroller and a signal processing unit configured to adapt the hand-held computing device to control the light source and the image sensor. In some embodiments, the imaging apparatus may comprise an exterior imaging module to image an anterior segment of the eye and/or a front imaging module to image a posterior segment of the eye. The eye imaging apparatus may be used in an eye imaging medical system. The images of the eye may be captured by the eye imaging apparatus, transferred to an image computing module, stored in an image storage module, and displayed in an image review module. 1. An eye imaging medical system comprising:a hand-held carrying case providing with a handle to allow the carrying case to be picked up by an operator using one hand; a housing;', 'a light source disposed in the housing configured to illuminate an eye;', an optical window at a front end of the housing with a concave front surface configured to receive a portion of the eye, and', 'an imaging lens disposed behind the optical window and optically aligned with the optical window;, 'an optical imaging system disposed in the housing comprising, 'an image sensor disposed in the housing to receive an image of the eye from the optical imaging system;', 'a touch screen display disposed in the housing configured to display the image;', 'a memory unit disposed in the housing configured to store the image; and', 'a computing and communication unit disposed in the housing comprising a modified mobile computing device, wherein the modified mobile computing device comprises the touch screen display, wherein the computing and communication unit is configured to receive, display and transmit the image wirelessly;, 'a hand-held eye imaging apparatus ...

SYSTEM AND METHOD FOR DIGITAL MEASUREMENT OF STEREO VISION

A system and method for stereo vision measurement are provided. A three-dimensional visual stimulus is generated. The visual stimulus is composed of a plurality of spatially filtered dot elements configured to isolate stereo function. The visual stimulus is then presented to a user via a display device and input data is received in response to the user viewing the visual stimulus as presented. A stereo performance of the user is then determined from the input data. 135.-. (canceled)36. A non-transitory computer-readable medium storing one or more programs configured to be executed by one or more processors of a system for stereo vision measurement , the one or more programs including instructions for:providing a three-dimensional visual stimulus, the three-dimensional visual stimulus composed of a plurality of spatially filtered elements configured to isolate stereo function;presenting, via a display device, the three-dimensional visual stimulus to a user;receiving input data in response to the user viewing the three-dimensional visual stimulus as presented; anddetermining a stereo performance of the user from the input data.37. The non-transitory computer-readable medium of claim 36 , wherein providing the three-dimensional visual stimulus comprises one or more of:generating the three-dimensional visual stimulus; andretrieving from said medium the three-dimensional visual stimulus.38. The non-transitory computer-readable medium of claim 36 , wherein the spatially filtered elements are spatially filtered dot elements.39. The non-transitory computer-readable medium of claim 38 , wherein the spatially filtered dot elements comprise one or more elements selected from the group consisting of: isotropic log-Gabor dot elements claim 38 , difference of Gaussians dot elements claim 38 , ring dot elements claim 38 , a convolution of a spatial filter and an image object claim 38 , and elements of at least two shades.40. The non-transitory computer-readable medium of claim 38 ...

GONIOSCOPIC DEVICES

A gonioscopic attachment can attach to a gonioscope and can include atraumatic retention elements that are configured to engage an eye to retain the gonioscope relative to the eye. The gonioscopic attachment can be configured to position the gonioscope so that at least a portion of the concave distal surface of the gonioscopic optical element is spaced apart from the eye, and/or so that the curvature of the distal surface is angularly offset from the curvature of the eye. The gonioscope can include a fixation point configured to be visible to the subject when the gonioscope is positioned on the eye. In some embodiments, the retention elements can be incorporated directly into the gonioscope. A coupling mechanism can couple the gonioscope to a lid speculum. The gonioscope can include a light pipe, which can be configured to directly light into the eye. 1. A gonioscopic attachment configured to attach to a gonioscope for use on a subject's eye , the gonioscopic attachment comprising:a generally C-shaped body having an open side, the body configured to receive a gonioscope to removably attach the body to the gonioscope;a first arm positioned on the side of the body opposite the open side, the first arm extending distally from the body by a first distance;one or more first retention elements disposed on the first arm;a second arm positioned on the body at one side of the open side, the second arm extending distally from the body by a second distance that is less than the first distance;one or more second retention elements disposed on the second arm;a third arm positioned on the body at another side of the open side, the third arm extending distally from the body by a third distance that is less than the first distance; andone or more third retention elements disposed on the third arm;wherein the first, second, and third retention elements are configured to engage an eye to retain the gonioscope relative to the eye.2. The gonioscopic attachment of claim 1 , wherein one ...

SYSTEMS AND METHODS FOR ENABLING CUSTOMERS TO OBTAIN VISION AND EYE HEALTH EXAMINATIONS

Systems and methods are provided for eye health and vision examinations. A customer diagnostic center is configured to generate customer examination data pertaining to an examination of a customer's eye. The customer diagnostic center provides a user interface for communicating with a customer and ophthalmic equipment for administering tests to the customer. A diagnostic center server is configured to receive the customer examination data from the customer diagnostic center over a network and allow the customer examination data to be accessed by an eye-care practitioner. A practitioner device associated with the eye-care practitioner is configured to receive the customer examination data from the diagnostic center server and display at least a portion of the customer examination data to the eye-care practitioner. Customer evaluation data is generated pertaining to the eye-care practitioner's evaluation of the customer examination data. An eye health report is provided to the customer via the network. 1. A system for providing a remotely assisted eye examination , comprising:a diagnostic center including ophthalmic equipment comprising a set of instruments that are utilized in administering the eye examination, wherein at least a portion of the ophthalmic equipment is coupled to an equipment controller that is configured to receive commands over a network to enable remote control of the ophthalmic equipment by multiple individuals during the eye examination, and the ophthalmic equipment located at the diagnostic center at least includes an auto-phoropter and a biomicroscope;a first remote device operated by a first remote individual; anda second remote device operated by a second remote individual; [ a first connection between the diagnostic center and the first remote device over the network, wherein the first connection provides real-time video conferencing between the first remote individual and a customer, and the first connection enables the first remote ...

DIGITAL VISUAL ACUITY EYE EXAMINATION FOR REMOTE PHYSICIAN ASSESSMENT

Systems and methods for assessing the visual acuity of person using a computerized consumer device are described. The approach involves determining a separation distance between a human user and the consumer device based on an image size of a physical feature of the user, instructing the user to adjust the separation between the user and the consumer device until a predetermined separation distance range is achieved, presenting a visual acuity test to the user including displaying predetermined optotypes for identification by the user, recording the user's spoken identifications of the predetermined optotypes and providing real-time feedback to the user of detection of the spoken indications by the consumer device, carrying out voice recognition on the spoken identifications to generate corresponding converted text, comparing recognized words of the converted text to permissible words corresponding to the predetermined optotypes, determining a score based on the comparison, and determining whether the person passed the visual acuity test. 1. A method for testing visual acuity of a user using a computerized consumer device , the method comprising:initiating a visual acuity test to assess the visual acuity of a user using a computerized consumer device, the computerized consumer device comprising a display screen, a camera, a microphone, a speaker, a computer processor, and a memory, the user being a human subject;determining, by the computerized device, a separation distance between a user and the computerized consumer device based on an image size of a physical feature of the person using imagery of the user taken by the camera of the computerized consumer device;instructing, by the computerized consumer device, the user to adjust the separation between the user and the computerized consumer device, and instructing the user that a predetermined separation distance range is achieved;presenting, by the computerized consumer device, a visual acuity test to the user ...

SYSTEMS AND METHODS FOR EVALUATING HUMAN EYE TRACKING

Systems and methods are disclosed for evaluating human eye tracking. One method includes receiving data representing the location of and/or information tracked by an individual's eye or eyes before, during, or after the individual performs a task; identifying a temporal phase or a biomechanical phase of the task performed by the individual; identifying a visual cue in the identified temporal phase or biomechanical phase; and scoring the tracking of the individual's eye or eyes by comparing the data to the visual cue. 124-. (canceled)25. A method comprising:displaying one or more visual cues on an electronic user interface;prompting an individual to respond to the one or more visual cues displayed using the user interface;receiving data of the individual's response to the one or more visual cues, including data representing a location of where the individual's eye or eyes are looking relative to the one or more visual cues displayed using the user interface;identifying one or more smooth pursuit eye movements, saccades, or fixations from the received data;quantifying the identified smooth pursuit eye movements, saccades, or fixations; andoutputting the quantified results as a report of the individual's vision performance.26. The method of claim 25 , wherein outputting the quantified results comprises:computing an error measure related to a user's ability to continuously follow an object over the electronic user interface.27. The method of claim 25 , wherein the step of identifying one or more smooth pursuit eye movements is based on identifying one or more fixations from the received data.28. The method of claim 25 , wherein quantifying the identified smooth pursuit eye movements claim 25 , saccades claim 25 , or fixations comprises:evaluating a length of time that an individual's fixation or gaze location remains stable on the one or more of the visual cues displayed using the electronic user interface; anddetermining the individual's ability to identify stationary ...

Interactive system for vision assessment and correction

Systems and methods for assessing vision and correcting vision problems are provided. A head-mountable virtual reality display controlled via a computing device can be worn by a user to display virtual reality images to the user. The images can be displayed as part of an interactive and engaging activity that can be used to determine a value of a certain parameter of the user's eyes. The activity can also be intended as a treatment procedure during which user's eyes are trained to perceive objects having certain properties that unassisted eyes of the user are normally not able to perceive. User input is acquired to determine user's perception of the displayed virtual reality images. The computing device can be a smartphone configured to perform the vision tests or treatment under control of a remote computing device operated by a trained clinician.

Eye tracking system

A system for measuring eye tracking may include a chassis, which may include a main column and a head rest assembly. The head rest assembly may include a stimulus screen for displaying a video to the patient, an optical mirror, an eye tracking camera, and at least one head rest member for stabilizing the patient's head, relative to the stimulus screen. The system may also include: a base attached to a bottom of the main column to support the main column; an arm extending from the main column to support the head rest assembly; a touchscreen interface attached to the main column and configured to provide control of the system to a user; a camera computer housed in the main column for controlling the eye tracking camera; and a system computer housed in the main column for controlling the stimulus screen, data processing and other functions.

PATTERN STIMULUS FOR VISUAL FUNCTION TESTING

A pattern stimulus system is described that includes a hemispherical concave surface, a plurality of illumination sources, and a controller. The illumination sources are arranged on the hemispherical concave surface in a plurality of annular rows and a plurality of radial columns. The control is configured to operate the illumination sources to display a checkerboard pattern by illuminating a first subset of the illumination sources and dimming a second subset of the illumination sources. The control is further configured to invert the checkerboard pattern by dimming the first subset of the illumination sources and illuminating the second subset of the illumination sources. Methods are also described for using the pattern stimulus system to evaluate a condition of the eye and to diagnose diseases of the eye. 1. A pattern stimulus system comprising:a hemispherical concave surface;a plurality of illumination sources arranged on the hemispherical concave surface in a plurality of annular rows and a plurality of radial columns; and display a checkerboard pattern by illuminating a first subset of the illumination sources and dimming a second subset of the illumination sources; and', 'inverting the checkerboard pattern by dimming the first subset of the illumination sources and illuminating the second subset of the illumination sources., 'a controller configured to operate the illumination sources to'}2. The pattern stimulus system of claim 1 , further comprising a plurality of opaque dividers positioned perpendicular to the hemispherical concave surface on a back-side hemispherical convex surface and arranged to separate individual illumination sources of the plurality of illumination sources.3. The pattern stimulus system of claim 1 , wherein the hemispherical concave surface is sized to include a radius that is greater than or equal to a shortest distance of focus for a typical adult eye.4. The pattern stimulus system of claim 1 , wherein the hemispherical concave ...

AUTOMATIC MACHINE SETTINGS FOR CUSTOMIZED REFRACTIVE SURGERY

An ophthalmic apparatus includes a resting member configured to provide rest for a human patient, and an ophthalmic device configured to perform one or more procedures with respect to an eye of the patient resting on the resting member, where the one or more procedures include at least one of an eye-surgical, therapeutic and diagnostic procedure. The apparatus also includes a user interface device configured to receive log-in data from a user, and a controller configured to access stored user profile data based on the log-in data and configure one or more configurable components of the apparatus in accordance with the accessed user profile data. 1. An ophthalmic apparatus , comprising:a resting member configured to provide rest for a human patient;an ophthalmic device configured to perform one or more procedures with respect to an eye of the patient resting on the resting member, the one or more procedures including at least one of an eye-surgical, therapeutic and diagnostic procedure;a user interface device configured to receive log-in data from a user; anda controller configured to access stored user profile data based on the log-in data and configure one or more configurable components of the apparatus in accordance with the accessed user profile data.2. The ophthalmic apparatus of claim 1 , wherein the one or more configurable components include an illumination device claim 1 , wherein the controller is configured to adjust the brightness of illumination light provided by the illumination device in accordance with the accessed user profile data.3. The ophthalmic apparatus of or claim 1 , wherein the one or more configurable components include one or more position-variable components claim 1 , wherein the controller is configured to adjust a position of at least one of the one or more position-variable components in accordance with the accessed user profile data.4. The ophthalmic apparatus of claim 3 , wherein the position includes at least one of a horizontal ...

SYSTEM AND METHOD FOR MEASUREMENT OF REFRACTIVE ERROR OF AN EYE BASED ON SUBJECTIVE DISTANCE METERING

The method include: (a) displaying at least one dynamic target image of at least one sign over a display area; (b) receiving subjective feedback from the subject indicating that the subject is positioned at a maximum distance of best acuity (MDBA) from the target image, wherein the MDBA is the maximum distance in which the subject recognizes the sign; (c) measuring one or more parameter associated with distance, during the time the subject has reached the MDBA distance, using at least one sensor; (d) estimating the MDBA by estimating the distance between the eye of the subject and the display area in which the target image is displayed by using the sensor data and (e) calculating the refractive error of the eye according to the estimated MDBA and characteristics of the target image. 1. A non-transitory storage medium comprising computer-executable instructions operable to , when executed by at least one computer processor , enable the at least one computer processor to cause at least one computing device to:trigger a displaying of at least one target image over a display area;receive feedback of a subject indicating a distance between an eye of the subject and said target image, which enables said subject to clearly recognize one or more visual elements of said target image using said eye;receive input data representing said distance; andprovide at least one calculated parameter associated with at least one refractive error of the eye, the at least one calculated parameter is based on said distance and said target image.2. The non-transitory storage medium of claim 1 , wherein said feedback is to indicate a maximum distance of best acuity (MDBA) claim 1 , said MDBA being a maximum distance between the eye of the subject and said target image claim 1 , at which the subject is to clearly recognize at least one sign or visual effect of said target image.3. The non-transitory storage medium of claim 1 , wherein said feedback is to indicate a maximal distance between the ...

PUPILLARY RESPONSE AND EYE ANTERIOR ASSESSMENT

Disclosed herein is a pupillary response scanning device and methods for use in performing swinging flashlight test, brightness saturation test, color discrimination test, and color blindness test. The device may include: a housing configured to provide a first isolated eye enclosure for a first eye and a second isolated eye enclosure for a second eye of a patient; one or more visible light sources, one or more infrared light sources, one or more imaging devices in each isolated eye enclosure; and a control system that may be configured for manipulating the visible light sources, infrared light sources and the imaging devices. 1. A method for ocular assessment comprising: a housing configured to provide a first isolated eye enclosure for a first eye and a second isolated eye enclosure for a second eye of a patient;', 'a visible light source in the first isolated eye enclosure and the second isolated eye enclosure;', 'an infrared light source in the first isolated eye enclosure and the second isolated eye enclosure;', 'an imaging device in the first isolated eye enclosure and the second isolated eye enclosure; and', 'a control system configured to manipulate the visible light source, the infrared light source and the imaging device;, 'providing a pupillary response scanning device includingcontinuously illuminating the first and second eyes of the patient with infrared light from the infrared light source during a test;capturing a reference image of the first and the second eye with the imaging device during the test;illuminating the first eye of the patient with visible light from the visible light source in the first eye enclosure for a predetermined duration;concurrently with illuminating first eye of the patient with the visible light, capturing a first test image of the first and the second eyes with the imaging device;subsequent to capturing the first test image, subjecting the first and the second eyes to a dark adaptation period under infrared illumination ...

Non-transitory computer-readable storage medium and subjective optometry system

A first information processing device acquires an instruction signal for instructing an operation of a subjective optometry device, and transmits a drive signal for causing the subjective optometry device to operate as instructed by the acquired instruction signal to the subjective optometry device. When the first information processing device is remote-accessed by a second information processing device, the first information processing device can acquire the instruction signal input to the second information processing device by a user via a network. The first information processing device can further acquire a response input by an examinee who visually recognizes a presented target, and can further generate an instruction signal instructing the operation of the subjective optometry device based on the acquired response.

Automated Personal Vision Tracker

Disclosed embodiments may include a device, system and method for providing a low cost device that can measure refractive errors very accurately via attachment to a smart phone. A disclosed device may use ambient light or a light source in simulating the cross cylinder procedure that optometrists use by utilizing the inverse Shack-Hartman technique. Using an optical device, in conjunction with a smart phone, the user first changes the angle of the axis until he/she sees a cross pattern (the vertical and horizontal lines are equally spaced). The user adjusts the display, using motorized controls on the on the optical device, to make the lines come together and overlap, which corresponds to bringing the view into sharp focus, thus determining the appropriate optical prescription for the user. 1. A system for obtaining an optical refraction of an optical device , the system comprising:a) a refracting optical scope used to observe patterns generated upon a display of a device;b) the scope comprising a first lens, the first lens disposed within a scope end closest to the display, the first lens comprising an aspheric lens used as a demagnifying lens;c) the scope comprising a second lens, the second lens disposed within the scope at an end closest to the optical device, the second lens comprising a double convex lens that transmits red light;d) the scope comprising a third lens, the third lens disposed within the scope at an end closest to the optical device, the third lens comprising a double convex lens that transmits green light.2. The system of where the device used for display is a smartphone.32. The system of further comprising slit apertures () disposed between the optical system and the second and third lenses.4. The system of further comprising an eyecup disposed upon a cover with the cover containing the first claim 3 , second and third lens and the slit apertures.51518. The system of further comprising a main body () contained within the cover the main body ...

OCT APPARATUS

An optical coherence tomography (OCT) apparatus according to an embodiment is configured to split light from a light source into measurement light and reference light, project the measurement light on an object, and detect interference light generated from the reference light and the measurement light returning from the object. The OCT apparatus includes a dispersion unit and an information generation unit. The dispersion unit is configured to relatively change a dispersion characteristic of a measurement optical path which is an optical path of the measurement light and a dispersion characteristic of a reference optical path which is an optical path of the reference light, according to an operation mode corresponding to a depth range. The information generation unit is configured to generate information on the object according to the operation mode, based on a detection result of the interference light. 1. An optical coherence tomography (OCT) apparatus that splits light from a light source into measurement light and reference light , projects the measurement light on an object , and detects interference light generated from the reference light and the measurement light returning from the object , the OCT apparatus comprising:a dispersion unit configured to relatively change a dispersion characteristic of a measurement optical path which is an optical path of the measurement light and a dispersion characteristic of a reference optical path which is an optical path of the reference light, according to an operation mode corresponding to a depth range; andan information generation unit configured to generate information on the object according to the operation mode, based on a detection result of the interference light.2. The OCT apparatus of claim 1 , wherein the dispersion unit comprises:a first dispersion member that gives a first dispersion amount to the measurement optical path to increase a difference between the dispersion characteristic of the measurement ...

A WIRELESS IMAGING APPARATUS AND RELATED METHODS

Various embodiments of a wireless imaging apparatus are disclosed. The wireless imaging apparatus can comprise an optical imaging system, a light source and a modified mobile device. In some embodiments, the optical imaging system can be positioned outside the modified mobile device. In some embodiments, the wireless imaging apparatus can further comprise a microcontroller, and at least one of an input port, an output port, a control button, and an output signal of the modified mobile device can be connected to the microcontroller and configured to control an image capturing process. Various embodiments disclose a method to control an imaging process of a wireless imaging apparatus comprising a light source, an optical imaging system, a modified mobile device and a microcontroller. 120-. (canceled)21. A wireless eye imaging apparatus comprising:a housing comprising a first portion and a second portion;a light source disposed inside and supported by the first portion, the light source configured to illuminate an eye; a focusing lens,', 'an actuator configured to change a focus of an optical imaging system, and', 'an image sensor configured to receive an image of the eye;, 'an imaging capturing unit disposed inside the first portion, the imaging capturing unit comprising'} a wireless transmitter and a wireless receiver,', 'a processor configured to control the light source, the actuator and the image sensor,', 'a display configured to display the image, and', 'wherein the modified mobile device is adapted from a mobile device, wherein the focusing lens comprises a lens of the mobile device being repositioned to be outside of the modified mobile device, wherein the image sensor comprises an image sensor of the mobile device being repositioned to be outside of the modified mobile device;, 'a modified mobile device disposed inside and being supported by the second portion, the modified mobile device comprising'}a cable disposed inside the housing and operatively ...

RETINAL IMAGE CAPTURING

An apparatus for producing a fundus image includes: a processor and a memory; an illumination component including a light source and operatively coupled to the processor; a camera including a lens and operatively coupled to the processor, wherein the memory stores instructions that, when executed by the processor, cause the apparatus to: execute an automated script for capture of the fundus image; and allow for manual capture of the fundus image. 1. An apparatus for producing a fundus image , the apparatus comprising:a processor and memory;a light source;a camera; anda display, illuminate an eye with the light source;', 'display a target element on the display;', 'display a bright spot on the display, the bright spot being a reflection of the light source by the eye;', 'update a position of the bright spot on the display as the apparatus is moved relative to the eye; and', 'automatically initiate image capture with the camera when the bright spot is within the target element on the display., 'wherein the memory stores instructions that, when executed by the processor, cause the apparatus to2. The apparatus of claim 1 , wherein the target element is a geometric shape that is displayed on the display.3. The apparatus of claim 2 , wherein the geometric shape is a diamond.4. The apparatus of claim 1 , further comprising a housing claim 1 , wherein the housing includes a first end supporting the display and a second end configured to engage the eye.5. The apparatus of claim 4 , wherein at least a portion of the housing is elongated to form a barrel.6. The apparatus of claim 5 , wherein a caregiver uses micro adjustments of the barrel to move the bright spot into the target element.7. The apparatus of claim 6 , wherein the barrel is sized to be held by the caregiver.8. The apparatus of claim 1 , wherein the light source is an infrared light source.9. The apparatus of claim 1 , wherein the target element is positioned within an upper half of the display. This patent ...

SYSTEMS, METHODS AND APPARATUSES FOR SUBJECTIVE SELF-REFRACTION

The system allows one with no prior training in refraction to subjectively screen, measure, and correct for their own refractive error without the assistance of a second person through subjective self-refraction (SSR). One accomplishes SSR by interacting with refractor input controls, which manipulate lenses in front of their eye(s). The SSR process is accomplished via pre-programming, allowing for direct feedback between the system and user from sensory cues that are prompted by interacting with the input controls. The resulting health data may be displayed or transmitted to the user or another individual for later use. The refraction process may incorporate remote data management technology and computer network capabilities that provides for efficiency, improved accuracy, cost savings and user experience enhancement and may allow for greater access to vision correction services for many people. 1. A method for providing an automated subjective self-refraction measurement to a user , the method comprising:(a) obtaining a self-vision refraction measurement from an automated self-vision test performed by the user;(b) receiving a user input indicating a desired distance for a refraction measurement(c) configuring an optical system including adjustable corrective optics for the user to view a viewing target located at the desired distance in response to the user input and the self-vision refraction measurement; and(d) generating one or more instructions to one or more actuation units of the optical system to adjust the corrective optics in response to a user command to adjust the optical system to the automated subjective self-refraction.2. The method of claim 1 , further comprising transmitting a refraction measurement result to a portable device.3. The method of claim 2 , wherein the portable device comprises a proximity fob.4. The method of claim 2 , wherein the portable device is configured to transmit the refraction measurement result to another system for ...

A METHOD FOR MEASURING VISUAL ACUITY

The invention is a system and method for measuring visual acuity. The system comprises a computer or projector adapted to project a computer generated image of an optotype on a surface, e.g. a computer display screen or a screen on a wall, and a control unit. The computer or projector is adapted to project the optotypes with a steadily changing size as a continuum of images. The testing is carried out by changing the optotype size in both directions in order to compensate for the reaction time of the patient. For example, starting with a large optotype, the size is steadily decreased until the patient signals that he can no longer read the optotype. The test then continues starting from a small optotype and steadily increasing the size until the patient signals that he can read the optotype. 1. A method for making a measurement of the visual acuity of a client that has been corrected for said client's reaction time , said method comprising three steps: a. activating a projector comprising a zoom lens to project a single large computer generated optotype having a size that said client will surely be able to identify on an appropriate surface a known distance from the eyes of said client;', 'b. activating said zoom lens to smoothly reduce the size of said optotype;', 'c. activating a clock to measure time starting when said zoom lens is activated;', 'd. receiving at a control system a signal from said client indicating that she/he can no longer identify said optotype;', 'e. recording in a data storage unit of a control system, the elapsed time from the start of the activation of said zoom lens until said signal from said client is received at said control system;', 'f. stopping the action of said zoom lens several seconds after said signal is received from said client;', 'g. recording in said data storage unit, the elapsed time from the start of the activation of said zoom lens until the action of said zoom lens is stopped;, 'A. in a first step a. activating said zoom ...

Method for comparing optical lenses, associated control module and system

A method for comparing first and second optical lenses such that when a control module receives a selection suggesting the first optical lens for the first time, a suggestion for the second optical lens is selected on a selection screen and no validation symbol is selected on the selection screen; when the control module receives the selection of the suggested second optical lens, the suggested first optical lens is selected on the selection screen and first and second validation symbols is selected on the selection screen, the first symbol indicating that the first and second optical lenses are identical, and the second symbol indicating that the second optical lens is better than the first optical lens; when the control module receives the selection of the suggested first optical lens for the second time or more, the suggested second optical lens is selected on the selection screen.

Using spatial information for dynamic dominant eye shifts

Systems and methods for gaze origin selection based on dominant eye shift of a user. Systems and methods described herein include eye tracking devices and computing devices. The first eye is initially set as the dominant eye. A first gaze ray for the first eye and a second gaze ray for a second eye are determined by an eye tracking system. The first gaze ray intersects a first object and the second gaze ray intersects a second object within the field of view, at a first depth and a second depth respectively. A convergence depth of the first gaze ray and the second gaze ray is determined and compared against the first depth and the second depth. When a second offset between the second depth and the convergence depth is smaller than a first offset between the first depth and the convergence depth, the second eye is set as the dominant eye.

METHOD OF EVALUATING QUALITY OF VISION IN EXAMINEE'S EYE AND STORAGE MEDIUM

An ophthalmic apparatus obtains naked-eye wavefront aberration data of an examinee's eye measured by an aberration measuring unit, and calculates first corrected wavefront aberration data intended for a prescription with a first correction power based on the naked-eye wavefront aberration data and the first correction power and generates a first evaluation index based on the first corrected wavefront aberration data. The ophthalmic apparatus further calculates second corrected wavefront aberration data intended for a prescription with a second correction power different from the first correction power in at least one of spherical power, astigmatic power, and astigmatic axis angle based on the naked-eye wavefront aberration data and the second correction power, and generates a second evaluation index based on the second corrected wavefront aberration data. The ophthalmic apparatus then displays the first and second evaluation indexes selectively or in parallel on a monitor. 1. A method of evaluating quality of vision in an examinee's eye , comprising:an aberration data obtaining step of obtaining naked-eye wavefront aberration data of the examinee's eye measured by an ocular aberrometer;a first evaluation index generating step of: calculating, based on the naked-eye wavefront aberration data and a first correction power, first corrected wavefront aberration data of the examinee's eye intended for a prescription with the first correction power; and generating a first evaluation index based on the first corrected wavefront aberration data, the first evaluation index representing the quality of vision in the examinee's eye intended for the prescription with the first correction power;a second evaluation index generating step of: calculating, based on the naked-eye wavefront aberration data and a second correction power, second corrected wavefront aberration data of the examinee's eye intended for a prescription with the second correction power, the second correction ...

SELF GUIDED SUBJECTIVE REFRACTION INSTRUMENTS AND METHODS

A refraction device determines a refraction end point to provide corrective optics for a test subject. The device includes an adjustable optical system providing corrective optics to the test subject and an adjustable viewing target disposed along an optical path such as to be viewable through the adjustable optical system by a test subject. The adjustable viewing target includes a directional indicator linked synchronously to at least two choices of corrective optics presented to the test subject. 1. (canceled)2. A refraction device for determining a refraction end point and providing corrective optics for a test subject , comprising:(a) an adjustable optical system providing corrective optics to the test subject; and(b) an adjustable viewing target disposed along an optical path such as to be viewable through the adjustable optical system by a test subject, and(c) wherein at least two distinct configurations of the adjustable viewing target are linked synchronously to at least two choices of corrective optics to be presented to the test subject(d) wherein the adjustable viewing target comprises a directional indicator on a display, that changes synchronously between at least two objectively distinct attributive forms with the at least two choices of corrective optics, and i. at least one dot, or', 'ii. one or more lines, or one or more curved lines, or one or more bars, or', 'iii. one or more arrows or other symbols, alphabets, or numbers, or', 'iv. one or more shaped objects, a circular, semi-circular, oval, square, rectangle, hexagon, octagon, polygons, or', 'v. combinations thereof, and, '(e) wherein the directional indicator comprises(f) wherein said directional indicator comprises a first object that is embedded within a second object on a display, or that is movable between at least two positions within said second object on said display, or that is adjustable between at least two configurations, orientations or positions, or the directional indicator ...

OPTICAL COHERENCE TOMOGRAPHY-BASED OPHTHALMIC TESTING METHODS, DEVICES AND SYSTEMS

In accordance with one aspect of the present invention, an optical coherence tomography-based ophthalmic testing center system includes an optical coherence tomography instrument comprising an eyepiece for receiving at least one eye of a user or subject; a light source that outputs light that is directed through the eyepiece into the user's or subject's eye, an interferometer configured to produce optical interference using light reflected from the user's/subject's eye, an optical detector disposed so as to detect said optical interference; and a processing unit coupled to the detector. The ophthalmic testing center system can be configured to perform a multitude of self-administered functional and/or structural ophthalmic tests and output the test data 1. An optical coherence tomography-based system comprising:an optical coherence tomography device configured to obtain an optical coherence tomography scan of at least one first anterior eye region and at least one of a second intermediate or posterior eye region;a processor configured to analyze the optical coherence tomography scan or to generate an optical coherence tomography-based image based on the optical coherence tomography scan; andan output device configured to output on the output device a report based on the analysis of the optical coherence tomography scan or the optical coherence tomography-based image.2. The optical coherence tomography-based system of claim 1 , the optical coherence tomography-based image comprising the first and second regions.3. The optical coherence tomography-based system of claim 1 , wherein the optical coherence tomography scan is a plurality of B-scans.4. The optical coherence tomography-based system of claim 3 , wherein the plurality of B-scans are arranged in the direction of an axis claim 3 , the axis is substantially parallel to an optical axis extending between the anterior eye region and the posterior eye region.5. The optical coherence tomography-based system of claim 1 ...

A DEVICE AND METHOD FOR EVALUATING A PERFORMANCE OF A VISUAL EQUIPMENT FOR A VISUAL TASK

This device for evaluating a performance of a visual equipment for at least one wearer of that equipment to perform at least one visual task includes: at least one input adapted to obtain a model of a scene where the task is performed, a model of the task including a sequence of points to be looked at, a model of the wearer including a movable head and at least one rotationally movable eye; at least one processor configured for determining a head posture for at least one of the points so that the model of the wearer looks respectively at that point, determining at least one task-directed performance parameter for the wearer performing the task with the head posture for that point, on the basis of the wearer, scene and task models, providing the task-directed performance parameter for determining to which extent the equipment is appropriate for the wearer. 1. A device for evaluating a performance of a visual equipment for at least one wearer of said visual equipment to perform at least one visual task , comprising: obtain a model of a scene where said at least one visual task is performed;', 'obtain a model of said at least one visual task, the model of said at least one visual task comprising a sequence of points to be looked at in the model of the scene; and', 'obtain a model of said wearer, the model of the wearer comprising a head movable with respect to the model of the scene and at least one eye rotationally movable with respect to the head, said visual equipment cooperating with said at least one eye;', 'at least one processor configured for:', 'determining at least one head posture for respectively at least one of said points so that the model of the wearer looks respectively at said at least one of said points;', 'determining at least one task-directed performance parameter for said wearer performing said at least one visual task with said at least one head posture for respectively said at least one of said points, on the basis of said wearer model, said ...

OPHTHALMIC APPARATUS AND OPHTHALMIC APPARATUS CONTROL METHOD

An ophthalmic apparatus includes a display control unit configured to cause a display unit to display a fundus image of an eye to be inspected, which is obtained by photographing an image of a fundus of the eye to be inspected by using a photographing optical system, an input unit configured to input whether to store the displayed fundus image, and a selecting unit configured to select, if it is input that the display fundus image is not to be stored, whether to execute rephotograph after automatically controlling a driving unit for driving at least one of a focusing portion formed in the photographing optical system and a photographing unit including the photographing optical system, or to execute rephotograph after manually controlling the driving unit. 1. An ophthalmic apparatus comprising:a display control unit configured to cause a display unit to display a fundus image of an eye to be inspected, which is obtained by photographing an image of a fundus of the eye to be inspected by using a photographing optical system;an input unit configured to input whether to store the displayed fundus image; anda selecting unit configured to select, if it is input that the displayed fundus image is not to be stored, whether to execute rephotograph after automatically controlling a driving unit for driving at least one of a focusing portion formed in the photographing optical system and an photographing unit including the photographing optical system, or to execute rephotograph after manually controlling the driving unit.2. An apparatus according to claim 1 , whereinthe selecting unit includes a presenting unit configured to present an imaging error cause list to an examiner, if it is selected to execute rephotograph of the eye to be inspected by automatically controlling the driving unit for driving at least one of the focusing portion and the photographing unit in the rephotograph, andthe selecting unit executes the automatic control in accordance with selection of an ...

Using a 3d display to train a weak eye

A method for treating a weak viewer-eye includes the steps of receiving eye-strength data indicative of an eye-strength of the weak viewer-eye and causing a 3D display system to vary, in accordance with the eye-strength of the weak viewer-eye, display characteristics of a perspective that the 3D display system displays.

SLIT LAMP AND BIOMICROSCOPE ASSEMBLY

A slit lamp and biomicroscope assembly can include a viewing system including a biomicroscope; an illumination system including a slit lamp with a light source and a light processing system with a first actuator; a positioning system supporting the biomicroscope and the slit lamp and including second and third actuators to position the biomicroscope along horizontal and vertical axes; and a user interface handle. The user interface handle can be graspable by a hand of a user and supported on the positioning system proximate to the biomicroscope such that a user looking into the biomicroscope can reach the user interface handle. The user interface handle can include a plurality of input devices including input devices in communication with the actuators. 1. A slit lamp and biomicroscope assembly comprising:a viewing system including a biomicroscope;an illumination system including a slit lamp having at least one light source and a light processing system having at least one first actuator configured to control at least one attribute of a light beam light coming out of said slit lamp;a positioning system supporting both of said biomicroscope and said slit lamp, said positioning system including at least one second actuator configured to control a position of said biomicroscope along a first horizontal axis, said positioning system also including at least one third actuator configured to control a position of said biomicroscope along a first vertical axis; anda user interface handle graspable by a hand of a user and supported on said positioning system proximate to said biomicroscope such that a user looking into said biomicroscope can reach said user interface handle, said user interface handle including a plurality of input devices including at least one first input device in communication with said at least one first actuator and at least one second input device in communication with said at least one second actuator and at least one third input device in ...

SYSTEMS AND METHODS FOR RETINOPATHY WORKFLOW, EVALUATION AND GRADING USING MOBILE DEVICES

Methods, systems, and computer-readable medium are provided for retinopathy evaluation. A retina image and a first plurality of user input controls representing a categories of features related to retinopathy evaluation, are displayed in a user interface. A selection of a first user input control corresponding to a first selected category of features is received. In response to receiving the selection, a second plurality of user input controls are displayed that represents a first set of features associated with the first selected category of features. A selection of a second user input control is received indicating a first feature appearing in the retina image. Findings are determined based on at least the first selected feature. Information related to a diagnosis is determined based on the one or more findings using the processor of the client mobile device, and the information related to the diagnosis is displayed. 1. A computer-implemented method for guiding a user through a retinopathy evaluation of a retina image on a client mobile device having a processor , the method comprising:displaying the retina image in a user interface on the client mobile device;displaying a first plurality of user input controls in the user interface, the first plurality of user input controls representing a plurality of categories of features related to retinopathy evaluation;receiving a selection of a first user input control from the first plurality of user input controls corresponding to a first selected category of features from the plurality of categories of features, the selection of the first user input control received via a touch-screen interface of the client mobile device;in response to receiving the selection of the first user input control, displaying a second plurality of user input controls in the user interface, the second plurality of user input controls representing a first set of features associated with the first selected category of features;receiving a ...

SELF GUIDED SUBJECTIVE REFRACTION INSTRUMENTS AND METHODS

A refraction device determines a refraction end point to provide corrective optics for a test subject. The device includes an adjustable optical system providing corrective optics to the test subject and an adjustable viewing target disposed along an optical path such as to be viewable through the adjustable optical system by a test subject. The adjustable viewing target includes a directional indicator linked synchronously to at least two choices of corrective optics presented to the test subject. 1. (canceled)2. A self-guided refraction method , comprising:(a) providing a viewing target and an optical system including adjustable corrective optics for a test subject to view the viewing target;(b) presenting to the test subject at least two choices of adjustable directional indicators at the viewing target;(c) providing at least two configurations of corrective optics, wherein a first directional indicator is synchronously linked to a first configuration of the corrective optics, and a second directional indicator is synchronously linked to a second configuration of corrective optics;(d) receiving an audio voice indication from the test subject from a voice activated device, microphone, or other audio voice receiver a choice among the at least two choices of directional indicators, thereby indicating a choice among the at least two choices of corrective optics;(e) adjusting the corrective optics in a direction chosen by the test subject corresponding to the test subject's choice of the directional indictor, and(f) wherein at least one of said choices of directional indicators comprises a first object that is embedded within a second object on a display, or that is movable between at least two positions within said second object on said display, or that is adjustable between at least two configurations, orientations or positions, or combinations thereof, linked synchronously to at least two choices of corrected optics presented to the test subject.3. The method claim ...

An Apparatus and a Method Therewith to Quantify Visual Patterns in Infants

The invention relates to an apparatus and a method therewith to quantify visual field in infants. The invention provides a novel solution to the unmet need of detection of defects in the visual field in infants and/or babies and providing an apparatus with a software framework to minimize the errors of recording the readings and increasing their precision and analyzing said results automatically using the software embedded in the system. Said apparatus to quantify visual field in infants comprise of a light projection device onto a dome-shaped hemispherical structure with an infra-red camera along with fixation lights, a means for monitoring responses of the subject during testing, a means for recording and analyzing the readings. Said means to detect and record the eye/head movement in the subject during testing comprises said infra red (IR) camera connected to a device wherein software application is embedded.

EYESIGHT EXAMINATION METHOD, EYESIGHT EXAMINATION DEVICE, AND DOWNLOADER SERVER FOR STORING PROGRAM OF EYESIGHT EXAMINATION METHOD

The present invention relates to an eyesight examination method, an eyesight examination device, and a downloader server for storing a program of the eyesight examination method, the eyesight examination method comprising the steps of: displaying an optotype image and a plurality of reference images; receiving a response to the optotype image; and determining whether a reference image determined on the basis of the response from among the plurality of reference images has the same shape as the optotype image, wherein one of the plurality of reference images has the same shape as the optotype image. 1. An eyesight examination method performed by an eyesight examination device comprising:(a) displaying an optotype image and a plurality of reference images;(b) receiving a response to the optotype image; and(c) determining whether of the plurality of reference images, a reference image determined through the response has the same shape as the optotype image,wherein one reference image among the plurality of reference images has the same shape as the optotype image.2. The eyesight examination method according to claim 1 ,wherein each of the plurality of displayed reference images are positioned on the outskirts of the displayed optotype image in different directions,the response comprises a direction input for selecting one reference image among a plurality of reference images, andthe question whether a reference image corresponding to a direction input of the response and the optotype image have the same shape is determined in the step (c).3. The eyesight examination method according to claim 2 ,wherein the reference image has a size the same as or larger than that of the largest of the optotype images having the same shape.4. The eyesight examination method according to claim 1 , further comprising:(d) displaying a following optotype image selected according to a result of determination made in the step (c) and a plurality of reference images,wherein two optotype ...

OPHTHALMOLOGIC APPARATUS

An ophthalmologic apparatus includes an analyzing unit that analyzes a tomographic image, a comparison target selecting unit that selects a statistical information in the closest age-group if an age calculated from a birth date input to a patient information input unit is outside a range of the age-groups of the statistical information, and a comparison unit that compares a result of the analysis performed by the analyzing unit with the statistical information selected by the comparison target selecting unit. 1. An ophthalmologic apparatus comprising:a tomographic image capturing unit configured to illuminate a subject eye with measurement light to capture a tomographic image;an analyzing unit configured to analyze the tomographic image captured by the tomographic image capturing unit;a patient information input unit configured to input a birth date as patient information;a statistical information storage unit configured to store statistical information created for each age-group from imaging data of a plurality of healthy eyes;a statistical information acquisition unit configured to acquire the statistical information from the statistical information storage unit;a comparison target selecting unit configured to select statistical information in the closest age-group in a case where an age calculated from the birth date input via the patient information input unit is outside a range of the age-groups of the statistical information; anda comparison unit configured to compare a result of the analysis performed by the analyzing unit with the statistical information selected by the comparison target selecting unit.2. The ophthalmologic apparatus according to claim 1 , further comprising a display unit configured to display a result of the comparison performed by the comparison unit claim 1 ,wherein the display unit displays an indication that the statistical information in a closest age-group is selected by the comparison target selecting unit.3. The ophthalmologic ...

REAL-TIME SURGICAL REFERENCE INDICIUM APPARATUS AND METHODS FOR SURGICAL APPLICATIONS

Described herein are apparatus and associated methods for the generation of at least one user adjustable, accurate, real-time, virtual surgical reference indicium. A method includes recording an image of an eye and producing a real-time multidimensional visualization using the recorded image. The method also includes determining at least one distinct visible feature within a patient specific pre-operative still image and producing the real-time, virtual surgical reference indicium in conjunction with the patient specific pre-operative still image. The method further includes aligning the real-time, virtual surgical reference indicium with the real-time, multidimensional visualization of the eye using the at least one distinct visible feature. 1. A method for the generation of a real-time , virtual surgical reference indicium to assist guiding a surgeon performing a surgical procedure , the method comprising:recording an image of an eye using a real-time, multidimensional visualization module including a photosensor;producing, via an image processor using the recorded image, a real-time multidimensional visualization on a display;determining, via a data processor, at least one distinct visible feature within a patient specific pre-operative still image;producing, via the data processor, the real-time, virtual surgical reference indicium in conjunction with the patient specific pre-operative still image; andaligning, via the data processor, the real-time, virtual surgical reference indicium with the real-time, multidimensional visualization of the eye using the at least one distinct visible feature,wherein the real-time, multidimensional visualization is three dimensional.2. The method according to claim 1 , wherein the image of the eye is recorded prior to cyclorotation of the eye when a patient lies down for surgery.3. The method according to claim 1 , wherein the real-time claim 1 , virtual surgical reference indicium is three dimensional.4. The method according to ...