УСТРОЙСТВО ДЛЯ ОФТАЛЬМОХИРУРГИЧЕСКИХ ОПЕРАЦИЙ

Изобретение относится к области медицины, а именно к офтальмологии, и может быть использовано при хирургическом лечении катаракты. Устройство для офтальмохирургических операций содержит источник лазерного излучения, лазерный наконечник и устройство ирригации-аспирации с наконечником. Дополнительно оно снабжено устройством для концентрации лазерно-индуцированной акустической волны на естественный хрусталик глаза и устройством преобразования лазерного излучения в энергию акустической волны. Одновременное воздействие указанных устройств на естественный хрусталик глаза обеспечивает эффективное и атравматическое удаление твердых хрусталиковых масс. Техническим результатом изобретения является достижение полного разрушения и аспирации фрагментов твердых хрусталиковых масс с минимальным риском развития изменений в окружающих хрусталик тканях глаза. 18 з.п. ф-лы, 17 ил.

ПРОЦЕССОР ИЗОБРАЖЕНИЙ ДЛЯ ВНУТРИХИРУРГИЧЕСКОГО ИЗОБРАЖЕНИЯ ОПТИЧЕСКОЙ КОГЕРЕНТНОЙ ТОМОГРАФИИ ЛАЗЕРНОЙ ОПЕРАЦИИ ПО УДАЛЕНИЮ КАТАРАКТЫ

... 1. Хирургическая система для удаления катаракты, содержащая лазерный источник, выполненный с возможностью создания первой группы лазерных импульсов; направляющую оптику, присоединенную к лазерному источнику, выполненную с возможностью направлять первую группу лазерных импульсов в целевую область катаракты глаза; лазерный контроллер, выполненный с возможностью создавать электронное изображение целевого шаблона сканирования, и управлять направляющей оптикой для сканирования первой группой лазерных импульсов в соответствии с частью шаблона сканирования для создания первой фоторазрушаемой области в целевой области катаракты; систему изображения Спектральной Области Оптической Когерентной Томографии (СО-ОКТ), выполненную с возможностью создания изображения, содержащего части первой фоторазрушаемой области; и процессор изображения ОКТ, выполненный с возможностью выполнения анализа изображения, при том, что лазерный контроллер выполнен с возможностью создания электронного изображения измененного ...

Способ выполнения переднего капсулорексиса при факоэмульсификации катаракты с использованием фемтосекундного лазера

Изобретение относится к области медицины, а именно к офтальмологии. Для формирования переднего кругового капсулорексиса в процессе факоэмульсификации катаракты с использованием фемтосекундного лазера (ФСЛ) после выполнения фемтоэтапа и раскрытия сформированных разрезов в переднюю камеру через парацентез вводят канюлю с вискоэластиком, подводят ее к участку выполненного капсулорексиса и включают подачу вискоэластика, направляя его струю под листок передней капсулы в зоне выполненного капсулорексиса. Вискоэластик отделяет и сдвигает листок в противоположную от канюли сторону передней камеры. При наличии прочных «мостиков» происходит отделение части листка, но непрорезанные участки не сдвигаются, оставляя неотделенный фрагмент передней капсулы, и не провоцируют образование неконтролируемых разрывов. В этом случае после отделения основного сформированного ФСЛ фрагмента капсулы отключают подачу вискоэластика, вводят в переднюю камеру пинцет и контролируемо завершают капсулорексис. В случаях, ...

ЛАЗЕРНАЯ СИСТЕМА ДЛЯ ПРОВЕДЕНИЯ ОФТАЛЬМОЛОГИЧЕСКИХ ВМЕШАТЕЛЬСТВ

Laserbehandlungsgerät

LASER SYSTEM

Automated surgical instruments and processes

An Automated Surgical instrument is disclosed that is computer controlled and provided with a high degree of autonomy for performing automated procedures within humans and other animals. It may be mobile under its own control and may include a plurality of means to disrupt tissue including lasers and water jets. A method of providing barriers to prevent unwanted damage to tissue is also described. The instrument may be used to construct both artificial and biological structures in-vivo by taking advantage of 3D printing techniques made available by the flexible laser system disclosed, a selection of micro tools, and raw material delivery to the worksite for printing to the target area. The use of vibration generated electricity may avoid the need for wires or batteries. A particular embodiment for automated cataract surgery is described.

LASER SYSTEM FOR THE EYE MEDICINE

PREPARATION OF EYE RAGS FOR LASER WELDING PROCESS

DEVICE FOR REMOVING FROM LENS TURBIDITY FABRIC

EQUIPMENT FOR THE EYE SURGERY.

DEVICE FOR THE TREATMENT OF TURBIDITY AND/OR HARDENING AN UNOPENED EYE

FOOT PEDAL FOR MEDICAL INSTRUMENT

SURGICAL LASER PROBE

Laser system for performing ophthalmological procedures

The invention relates to a laser system (1) for performing ophthalmological procedures, comprising a pulse laser (3) for emitting laser pulses, a focusing optical unit (5) for producing at least one focal point in the front region (17) of an eye (18) of a patient, a deflecting device (6) for varying the position of the focal point in the front region (17) of the eye (18) of the patient, and a control unit for controlling the deflecting device (6). The pulse layer (3) has a pulse duration in the nanosecond range, and the laser system (1) is designed as a hand-held device.

Lens barrier to facilitate automated surgery

A barrier for insertion into the space or potential space between the lens of an eye and the lens capsule of the eye. It may be a protective barrier to mitigate damage from laser light or other targeted electromagnetic radiation. It may be a defining barrier that facilitates machine recognition of boundaries. The barrier may perform both functions. The use of the barrier is optimised for use with automated systems for lens removal, including the intraocular probe disclosed in this specification. Fig 5 Fi262 Fig7 19a /A19b Fig 7 ...

Surgical instrument for minimally invasive aspiration of tissue

Systems and methods for combined Femto-Phaco surgery

Systems and methods are described for a combined Femto and Phaco surgical system built into a single housing. The system advantageously permits each of the Femto device and Phaco surgical tray to be rotated out of the way or into the position without requiring movement of a patient. Thus, a user can switch between Femto and Phaco surgical procedures without movement of the patient.

Patient interface for ophthalmologic diagnostic and interventional procedures

Configurations are described for conducting ophthalmic procedures to address cataract-related clinical challenges. In one embodiment, a one-piece patient contact interface may be utilized to couple a diagnostic and/or interventional system to a cornea of a patient; in another embodiment, a two-part configuration may be utilized; in another embodiment, a liquid interface two-part embodiment may be utilized.

Controlled ocular lens regeneration

Confocal detection to minimize capsulotomy overcut while dynamically running on the capsular surface

Embodiments of this disclosure disclose an imaging system, including an eye interface device, a scanning assembly, a beam source, a free-floating mechanism, and a detection assembly. The beam source generates an electromagnetic radiation beam. The detection assembly generates a signal indicative of an intensity of a portion of the electromagnetic radiation beam reflected from the focal point location. A subsequent focal point of the electromagnetic radiation beam may be adjusted per the measured intensity signal. In some embodiments, an intensity signal below a lower threshold value may suggest a depth increase for a subsequent focal point. An intensity signal above an upper threshold value may suggest a depth decrease for a subsequent focal point. And, an intensity signal between the lower and upper thresholds may suggest a depth be maintained for a subsequent focal point. The focal point may be adjusted after each pulse or after a plurality of pulses.

Optical imaging and measurement systems and methods for cataract surgery and treatment planning

An optical measurement system and apparatus for carrying out cataract diagnostics in an eye of a patient includes a Corneal Topography Subsystem, a wavefront aberrometer subsystem, and an eye structure imaging subsystem, wherein the subsystems have a shared optical axis, and each subsystem is operatively coupled to the others via a controller. The eye structure imaging subsystem is preferably a fourierdomain optical coherence tomographer, and more preferably, a swept source OCT.

Sub-nanosecond laser surgery system utilizing multiple pulsed laser beams

A system for laser ophthalmic surgery includes: a single laser source, under the operative control of a controller, configured to alternatively deliver a first treatment laser beam and a second treatment laser beam. The first treatment laser beam has a pulse energy of 10 to 500 µJ. The second pulsed laser beam has a second pulse energy of about 0.1 to 10 µJ, lower than the first treatment laser beam. An optical system focuses the first treatment laser beam to a first focal spot and directs the first focal spot in a first treatment pattern into a first intraocular target. The optical system also focuses the second treatment laser beam to a second focal spot and direct the second focal spot in a second treatment pattern into a second intraocular target. The first intraocular target and second intraocular target are different.

Laser system and method for performing and sealing corneal incisions in the eye

There is provided a system, apparatus and methods for developing laser systems that can create precise predetermined self-sealing incisions in the cornea. The systems, apparatus and methods further provide laser systems that can provide these incisions in conjunction with the removal and replacement of the natural human crystalline lens.

Patient interface for ophthalmologic diagnostic and interventional procedures

One embodiment is directed to a patient interface system for ophthalmic intervention on an eye of a patient, comprising: a housing; an optical lens coupled to the housing and having an optical axis; a eye surface engagement assembly coupled to the housing and comprising an inner seal having an inner seal diameter and being configured to circumferentially engage the eye, an outer seal having an outer seal diameter and being configured to circumferentially engage the eye, and a tissue migration bolster structure configured to be positioned circumferentially between the inner and outer circumferential seals and to prevent migration of tissue of the eye toward the eye surface engagement assembly when a vacuum load is applied within the assembly to cause vacuum engagement of the inner and outer seals against the eye.

System for performing eye surgery with simultaneous display of graphical information for flap and ablation

The disclosure relates to systems and methods for performing eye surgery in which a single image that simultaneously presents a graphical representation of a planned or actual flap location superimposed with a graphical representation of a planned or actual area of ablation is used.

FEMTOSECOND LASER OPHTHALMIC SURGERY DOCKING CONE IMAGE PROCESSING AND PRESENTATION

The present disclosure provides a system for femtosecond ophthalmic surgery in which the position of a suction cone in the z direction is measured via the measuring device to generate data that is processed and used to create a pictorial representation, a histogram, or other graph based on the data. The pictorial representation may include at least one threshold marker. The disclosure further provides a method of performing docking in femtosecond laser ophthalmic surgery including measuring the position of a suction cone with a measuring device, and transmitting data regarding the position to a processor which processes the data and uses it to create a pictorial representation, histogram, or other graph that is presented on a display.

INTEGRATED OPHTHALMIC SURGICAL SYSTEM

An ophthalmic surgical system includes a chassis comprising a laser source. The system includes a gantry coupled to the chassis. The position of the gantry is adjustable. The system includes a reference interface coupled to the gantry. The reference interface comprises an attachment interface at a distal portion of the reference interface, configured to couple to a patient interface for docking with an eye. The reference interface is configured to move to a first plate position proximal to the chassis and a second plate position distal from the chassis. The system further includes an optical head unit coupled to the reference interface. The optical head unit comprises a laser scanner and a beam splitter. The optical head unit is configured to move to a first head unit position near a proximal end of the reference interface and a second head unit position which is a lockable surgical position near a distal end of the reference interface.

PATIENT INTERFACE DEVICE FOR OPHTHALMIC SURGICAL LASER SYSTEM

A single-piece patient interface device (PI) for coupling an patient's eye to an ophthalmic surgical laser system, which includes a rigid shell, a flexible suction ring joined to a lower edge of the shell, an applanation lens, and a flexible annular diaphragm which joins the applanation lens to the shell near the lower edge of the shell. The flexible diaphragm allows the applanation lens to move relative to the shell, including to shift in longitudinal and lateral directions of the shell and to tilt. In operation, the surgeon first secures the PI to the patient's eye by hand, and then couples the laser system to the PI by lowering the laser delivery head into the PI shell. During the lowering process, the laser delivery head presses the applanation lens down relative to the PI to applanate the cornea of the eye.

SYSTEM AND METHOD FOR IMPROVING THE ACCOMMODATIVE AMPLITUDE AND INCREASING THE REFRACTIVE POWER OF THE HUMAN LENS WITH A LASER

A system and method for increasing the amplitude of accommodation and/or changing the refractive power of lens material of a natural crystalline lens is provided. Generally, there is provided methods and systems for delivering a laser beam to a lens of an eye in a plurality of patterns results in the increased accommodative amplitude and/or refractive poser of the lens. There is further provided a system and method of treating presbyopia by increasing both the flexibility of the human lens and the depth of field of the eye.

SUB-NANOSECOND LASER SURGERY SYSTEM UTILIZING MULTIPLE PULSED LASER BEAMS

A system for laser ophthalmic surgery includes: a single laser source, under the operative control of a controller, configured to alternatively deliver a first treatment laser beam and a second treatment laser beam. The first treatment laser beam has a pulse energy of 10 to 500 µJ. The second pulsed laser beam has a second pulse energy of about 0.1 to 10 µJ, lower than the first treatment laser beam. An optical system focuses the first treatment laser beam to a first focal spot and directs the first focal spot in a first treatment pattern into a first intraocular target. The optical system also focuses the second treatment laser beam to a second focal spot and direct the second focal spot in a second treatment pattern into a second intraocular target. The first intraocular target and second intraocular target are different.

OPHTHALMIC RANGE FINDING

Systems and methods for analyzing the anatomy of a patient's eye with circular or rotated polarized laser beams, or with laser beams of different wavelengths are disclosed. One system includes a polarization beam-splitter and a quarter-wave plate, wherein the quarter-wave plate is configured to circularly rotate a laser beam received from a laser that is transmitted and passes through the polarization beam-splitter, and to transform a circularly rotated back-reflected beam to a linearly polarized laser beam that is perpendicular to the beam that was transmitted through the polarization beam-splitter. Substantially all of the back-reflected beam is directed to a photo-detector for analysis. A Faraday rotator subsystem may be substituted for a polarization beam-splitter. An optical system including a laser that generates a laser beam of a first wavelength for therapeutic treatment, and another laser that generates a laser beam of a second wavelength for measurement is also disclosed.

SYSTEM FOR ABLATING AN EYE LENS

Systems and methods are provided for ablating a lens of an eye. An access incision is made through outer eye tissue to access the lens. A laser tool is inserted through the access incision. Electromagnetic energy is focused using the inserted laser tool to ablate a portion of the lens, where said ablation breaks the lens into a plurality of pieces for removal from the eye.

A control apparatus for a laser system and laser system and method for controlling the laser system.

Die Erfindung betrifft eine Steuerungsvorrichtung für ein Lasersystem mit einem Laser zum Einbringen von Schnitten in eine Linse (21) eines menschlichen oder tierischen Auges (20), die eingerichtet ist, einen Fokuspunkt eines Laserstrahls des Lasers innerhalb der Linse anzuordnen und zu verlagern, wobei der Fokuspunkt für mindestens einen Schnitt (21.1) zum Segmentieren der Linse in einzelne Segmente (21.1a) verlagerbar ist und gemäss einem definierbaren Schnittmuster zum weiteren Fragmentieren der Linse verlagerbar ist; wobei die Steuerungsvorrichtung eingerichtet ist, ein einzelnes der Segmente zu bestimmen und den Fokuspunkt zum weiteren Fragmentieren innerhalb des bestimmten Segments in radialer Richtung maximal bis zu einem Abstand grösser Null zu einem Rand der Linse zu verlagern. Ferner betrifft die Erfindung ein Verfahren zum Steuern des Lasersystems.

A control apparatus for a laser system and laser system and method for controlling the laser system.

Die Erfindung betrifft eine Steuerungsvorrichtung für ein Lasersystem mit einem Laser zum Einbringen von Schnitten in eine Linse (21) eines menschlichen oder tierischen Auges (20), die eingerichtet ist, einen Fokuspunkt eines Laserstrahls des Lasers innerhalb der Linse anzuordnen und zu verlagern, wobei der Fokuspunkt für mindestens einen Schnitt (21.1) zum Segmentieren der Linse in einzelne Segmente (21.1a) verlagerbar ist und gemäss einem definierbaren Schnittmuster zum weiteren Fragmentieren der Linse verlagerbar ist; wobei die Steuerungsvorrichtung eingerichtet ist, ein einzelnes der Segmente zu bestimmen und den Fokuspunkt zum weiteren Fragmentieren innerhalb des bestimmten Segments in radialer Richtung maximal bis zu einem Abstand grösser Null zu einem Rand der Linse zu verlagern. Ferner betrifft die Erfindung ein Verfahren zum Steuern des Lasersystems.

System zur Augenbeobachtung oder -therapie und Verfahren zur Augenbeobachtung oder -therapievorbereitung, insbesondere Gerät zur lasergestützten Kataraktchirurgie.

Es werden verschiedene Aspekte für ein System zur Augenbeobachtung oder -therapie beschrieben, die einzeln oder gemeinsam einen Benutzer bei einem Arbeitsablauf in der Augenheilkunde, insbesondere einer Kataraktoperation und deren Vorbereitung unterstützen. Gemäß der ersten Ausführungsform wird ein zweiteiliger Scanner umfassend einen schnellen kurzhubigen und einen langsamen langhubigen Teil über eine 4-f-Optik kombiniert. Gemäß der zweiten Ausführungsform wird die Strahlung zwischen den Scannern und einem Objektiv über einen Gelenkarm übertragen, wobei 4-f-Optiken im Gelenkarm zur Anwendung kommen. Gemäß der dritten Ausführungsform wird ein Hauptobjektiv mit bestimmten Brennweitemerkmalen ausgestattet, um einen großen Arbeitsabstand und damit dem Benutzer Freiheit bei seinem Arbeitsablauf zu geben. Gemäß der vierten Ausführungsform erfolgt eine besonders präzise und schnelle Referenzierung zwischen einem präoperativen Biometriebild und einem aktuellen Bild während der momentanen Beobachtung ...

DEVICE INDICATING the “Ready” MODE Of a MEDICAL APPARATUS HAS LASER

METHOD AND APPARATUS FOR MAKING IMPROVED SURGICAL INCISIONS IN CORRECTIVE EYE SURGERY

A method and apparatus for making improved surgical incisions in corrective eye surgery are provided. It was observed that a uniform elongated AK (or LRI) incision provides a non-uniform corrective effect due to non-uniform post-surgical relaxation of ophthalmic tissue. The method and apparatus leverage this observation to provide for creation of a surgical incision that is structured to be non-uniform along its length in such a manner as to at least partially counteract an expected variation in ophthalmic tissue relaxation to provide overall increased uniformity of corrective effect. An automated laser surgery system includes a laser control system configured to control laser delivery to cause selective ablation of ophthalmic tissue to provide an elongated structured incision that varies along its length in at least one of a depth, a profile, a width, and an angle of attack relative to a surface of the ophthalmic tissue.

METHOD OF LASER PHOTOABLATION OF LENTICULAR TISSUE FOR THE CORRECTION OF VISION PROBLEMS

Abstract not available! Abstract of correspondent: US2002103478 A method for the laser photoablation of ocular lens tissue comprises the steps of determining a volume of the lens tissue to be photoablated and directing a pulsed, infrared laser beam at the volume with an amount of energy effective for photoablating the determined region without causing substantial damage to surrounding tissue regions. The laser beam is initially directed at a focal point below an anterior surface of the ocular lens and such focal point is moved towards the ocular lens anterior surface in order to ablate the determined volume. The laser is preferably an Nd:YLF laser operating at a frequency of about 1053 nanometers and a pulse repetition rate of about 1000 Hertz with a pulse width of about 60 picoseconds. Each pulse has an energy of about 30 microjoules. The laser operates with a focused beam diameter of about 20 microns and operates with a "zone of effect" of no greater than about 50 microns. The method ...

SYSTEM AND METHOD FOR FEMTO-FRAGMENTATION OF A CRYSTALLINE LENS

A system and method for performing a femto-fragmentation procedure on tissue in the crystalline lens of an eye requires that a laser beam be directed and focused to a focal point in the crystalline lens of the eye. The focal point is then guided, relative to an axis defined by the eye, to create a segment cluster by causing Laser Induced Optical Breakdown (LIOB) of tissue in the crystalline lens. The resultant segment cluster includes a plurality of contiguous, elongated segments in the crystalline lens that are individually tapered from an anterior end-area to a posterior end-area. Specifically, this is done to facilitate the removal of individual segments from the segment cluster in the crystalline lens.

Photochemical tissue bonding

Photochemical tissue bonding methods include the application of a photosensitizer to a tissue and/or tissue graft, followed by irradiation with electromagnetic energy to produce a tissue seal. The methods are useful for tissue adhesion, such as in wound closure, tissue grafting, skin grafting, musculoskeletal tissue repair, ligament or tendon repair and corneal repair.

Method of preventing capsular opacification and fibrosis utilizing an accommodative intraocular lens implant

A method of preventing capsular opacification and fibrosis utilizing an accommodative intraocular lens implant, which includes the steps of removing a cortex and nucleus of a natural lens containing a cataract from a lens capsule of an eye of a patient; applying a photosensitizer inside the lens capsule so that the photosensitizer permeates a portion of the lens capsule, the photosensitizer facilitating cross-linking of the tissue in the portion of the lens capsule; irradiating the portion of the lens capsule so as to activate cross-linkers in the tissue in the portion of the lens capsule, thereby damaging the remaining lens epithelial cells in the lens capsule with the irradiated light so as to prevent capsular opacification and fibrosis; and injecting a transparent polymer into the lens capsule of the eye in order to form an accommodative intraocular lens for replacing the cortex and nucleus of the natural lens.

LASER INSTRUMENT FOR EYE THERAPY

A laser instrument for therapy on the human eye, designed for surgery of the cornea, the sclera, the vitreous body or the crystalline lens, especially suitable for use in immediate succession with other instruments for eye diagnosis or eye therapy, in such a way that during the alternating use of the various instruments, the eye or at least the patient preferably remains in a predetermined position and alignment within one and the same treatment area.

APPLICATOR AND DEVICE FOR CELL TREATMENT

An applicator configured for cell treatment with pressure pulses has a hollow needle with a wall, which encloses a cavity and has a closed-off design at a closed-off end. A target is arranged or formed at the closed-off end on the inner side of the wall and a laser radiation emitter for emitting preferably pulsed laser radiation is arranged in the cavity of the hollow needle, at a distance from the target. The laser radiation emitter is arranged so that the emerging laser radiation impinges directly on the target through an interspace situated between the laser radiation emitter and the target. Under the formation of a plasma, at least one pressure pulse can be generated at the target by the target being impinged upon by laser radiation from the laser radiation emitter. The wall of the hollow needle has a lateral emergence opening for the emergence of the pressure pulse.

Combined carbon dioxide laser lateral canthotomy and femtosecond laser-assisted cataract surgery

An example method for preparing a surgical site for a femtosecond laser-assisted cataract surgical procedure includes measuring a lower eyelid length of a patient, and determining whether the patient is associated with one or more exposure resistant factors. The method also includes, upon determining that the measured lower eyelid length does not exceeds a threshold length or determining that the patient is associated with at least one exposure resistant factor, performing a canthotomy procedure on the patient.

OPHTHALMOLOGICAL LASER THERAPY SYSTEM

An ophthalmological laser therapy system having an appliance base and an appliance head, displaceable relative to one another by translational movement and having a laser device and to a corresponding method. A laser pivot arm is fastened to the appliance head pivotable about a horizontal first axis. The laser pivot arm is encompassed by a pivot arm housing, which is fastened in a separately pivotable manner on the appliance head in coaxial fashion relative to the laser pivot arm and/or by virtue of an examination pivot arm with an examination device, defining an examination volume, being fastened to the appliance head pivotable about a second axis, wherein both axes are arranged such that a work volume of a laser beam, when the laser pivot arm is in a work position, is a partial volume of the examination volume, when the examination pivot arm is in a work position. 116-. (canceled)18. The ophthalmological laser therapy system as claimed in claim 17 , wherein the first axis is a horizontal first axis.19. The ophthalmological laser therapy system as claimed in claim 17 , further wherein the laser pivot arm is pivotable by a greater angle than the pivot arm housing.20. The ophthalmological laser therapy system s claimed in claim 17 , further wherein the laser pivot arm and the pivot arm housing each have a separate weight balancing apparatus.21. The ophthalmological laser therapy system as claimed in claim 17 , further wherein the appliance head is also displaceable in the z-direction on the appliance base.22. The ophthalmological laser therapy system as claimed in claim 17 , further comprising a pre-positioning device that pre-positions of the appliance head.23. The ophthalmological laser therapy system as claimed in claim 22 , wherein said pre-positioning device includes a camera.24. The ophthalmological laser therapy system as claimed in claim 17 , wherein the laser pivot arm claim 17 , the pivot arm housing or both further comprise at least one detection device.25 ...

ILLUMINATION CHOPPER

The present invention provides an illumination chopper which allows a user to operate on the nucleus of a crystalline lens with a small piece while securing visibility through a chopper which is mounted at one end of an illuminator to form a predetermined angle with the illuminator.

Laser-assisted thermal separation of tissue

A laser-assisted method for fully or partially separating tissue such as collagen containing tissue is provided. In one embodiment, the method pertains to a capsulorhexis whereby the laser-assisted method is applied to the lens capsule. A light-absorbing agent is added into or onto the tissue. A light beam with a wavelength capable of being absorbed by the light absorbing agent is then directed at the tissue to cause a thermal effect at the tissue following a predetermined closed curve with the goal to avoid irregularity or potential tears in the resulting rim of the tissue.

SYSTEMS AND METHODS FOR DISRUPTION OF AN EYE LENS

眼球手術の装置と方法

... 眼部の前眼房であり且つ白内障レンズの近傍に挿入するための光学プローブは、光源60とその光源からプローブに光放射を伝える光導波路100とにより構成される。光放射はパルス状に形成され、その繰り返しレート、波長および光エネルギーは、切断領域内の白内障レンズに十分な切断誘導損傷をもたらし、またアコースティック領域に十分なアコースティック誘導損傷をもたらすとともに、そのアコースティック領域が切断領域より十分に大きな寸法となるように選択される。アコースティック領域は、切断領域から放射する振動波を発生させ、その振動波が白内障レンズの硬質核質材内を、その核質材に微細な割れ目が生じるように伝搬させることにより形成される。微細な割れ目を有するレンズ材は、その微細な割れ目が形成される以前と較べ、はるかにレーザー・パルスに反応するので、そのレーザー・パルスの印加に応答して、硬質核質材は容易に微細な粒子に分解される。 ...

ЛЕЧЕБНЫЙ ЛАЗЕР С ЗЕРКАЛЬНЫМ ОТРАЖАТЕЛЕМ И ЗАЩИТНОЙ БЛОКИРОВКОЙ

Группа изобретений относится к медицине. Офтальмологическая лазерная система для генерации первого пучка с первой длиной волны на первом пути пучка и второго пучка со второй длиной волны на втором пути пучка, и направляющая оптика для избирательного направления первой длины волны или второй длины волны по пути лечебного пучка. Офтальмологическая лазерная система содержит зеркальный коаксиальный осветитель, содержащий зеркальный отражатель, перемещаемый на оси из положения вне пути лечебного пучка в положение на пути лечебного пучка, чтобы направлять подсветку по пути подсветки, соосному с путем лечебного пучка, и защитную блокировку, делающую возможным работу офтальмологической лазерной системы только по первому пути пучка, если зеркальный коаксиальный осветитель находится в первом положении, и делающую возможным работу офтальмологической лазерной системы либо по первому пути пучка, либо по второму пути пучка, если зеркальный коаксиальный осветитель не находится в первом положении. Применение ...

ВНУТРИХИРУРГИЧЕСКОЕ ИЗОБРАЖЕНИЕ ОПТИЧЕСКОЙ КОГЕРЕНТНОЙ ТОМОГРАФИИ ОПЕРАЦИИ ПО УДАЛЕНИЮ КАТАРАКТЫ

СИСТЕМА С РЕГУЛИРОВАНИЕМ ТЕМПЕРАТУРЫ ДЛЯ ПОДАЧИ ИНТРАОКУЛЯРНОЙ ЛИНЗЫ

... 1. Система для подачи интраокулярной линзы, содержащая: ! корпус инжектора; ! плунжер, выполненный с возможностью скольжения внутри корпуса инжектора; ! сопловый участок на дистальном конце корпуса инжектора, при этом сопловый участок имеет полую внутреннюю часть, выполненную с возможностью приема интраокулярной линзы; и ! подогреватель, объединенный с системой для подачи интраокулярной линзы, выполненный с возможностью нагревания интраокулярной линзы. ! 2. Система для подачи интраокулярной линзы по п.1, в которой подогреватель расположен на сопловом участке. ! 3. Система для подачи интраокулярной линзы по п.1, в которой сопловый участок изготовлен из полимера и подогреватель запрессован в полимер. ! 4. Система для подачи интраокулярной линзы по п.1, в которой подогреватель расположен на плунжере. ! 5. Система для подачи интраокулярной линзы по п.1, в которой плунжер изготовлен из полимера и подогреватель запрессован в полимер. ! 6. Система для подачи интраокулярной линзы по п.1, дополнительно ...

Лазерная офтальмологическая установка

APPARATUS FOR LASER SURGERY ON BIOLOGICAL TISSUE OF EYE

Device for operating on cataract

An application tip (2) attached to a laser generator (1) is inserted through a cut (8) into the orbit (6) of the eye, while a second tip (4) is inserted at a certain angle through a second cut (9) in order to remove the residues of the destroyed crystalline lens (7) by using irrigation/aspiration functions. The device also has an additional element (11) to concentrate the waves created by the laser generator and guide them to the crystalline lens.

LASER DEVICE

ENZYMATIC ACTIVE ONE REKOMBINANTE GLUKOCEREBROSIDASE ONE ENABLES CHO CELLS FOR PRODUCING

POWER ADAPTION FOR ADAPTABLE LENS

DEVICE FOR THE PREVENTION OF A REAR LENS CAP TURBIDITY

EQUIPMENT FOR THE EXECUTION OF EYE SURGERY

Method and apparatus for patterned plasma-mediated laser trephination of the lens capsule and three dimensional phaco-segmentation

Ophthalmic uses of lasers

Laser methods and systems for addressing conditions of the lens

LASER METHODS AND SYSTEMS FOR ADDRESSING CONDITIONS OF THE Systems and methods for performing laser cataract surgery, for using a biometric system to determine a material property of a structure of the eye, laser pulses in a laser shot pattern having different powers. A therapeutic laser, and laser delivery system having the capability to vary the power of the laser beam.

Method and apparatus for thermal emulsification

Method and device for treating opaqueness and/or hardening of a closed eye

System for performing eye surgery with simultaneous display of graphical information for flap and ablation

The disclosure relates to systems and methods for performing eye surgery in which a single image that simultaneously presents a graphical representation of a planned or actual flap location superimposed with a graphical representation of a planned or actual area of ablation is used.

System and method for indirectly determining weight on eye during laser ophthalmic surgery

The present disclosure provides a system and method for indirectly determining weight on eye, the weight resulting from contact between the eye and a docking apparatus for laser ophthalmic surgery. The system includes a docking apparatus, a measuring device, a display and a processor that determines a relative distance between a detectable position of a component of the docking apparatus and a neutral position of the eye, determines the weight on eye by reference to sensed force-distance reference data, and generates and transmits a pictorial representation of weight on eye to a display. The disclosure further provides a method for indirectly determining weight on eye, the weight resulting from contact between the eye and a docking apparatus for laser ophthalmic surgery.

Apparatus and method for eye surgery

There is proposed an apparatus for eye surgery, which comprises a stand (24) having a stand base (32) that is movable or realized for mounting on a wall or ceiling, and having a stand arm arrangement (34, 36) that is manually adjustable, at least partially, relative to the stand base, an operation microscope (38) being attached to the stand arm arrangement. Further, the eye-surgery apparatus comprises a laser appliance, which provides pulsed, focussed laser radiation having radiation properties suited to the application of incisions in the human eye (14). The laser appliance comprises a laser source (20) and a laser treatment head (26) that is attached to the stand arm arrangement (34, 36) and emits the laser radiation, a flexible transmission fibre (22) or a jointed beam transport arm being provided for the purpose of transporting the laser radiation to the laser treatment head. The laser treatment head (26) is positioned or positionable in an observation beam path of the operation microscope ...

In situ determination of refractive index of materials

A laser eye surgery system focuses light along a beam path to a focal point having a location within a lens of the eye. The refractive index of the lens is determined in response to the location. The lens comprises a surface adjacent a second material having a second refractive index. The beam path extends a distance from the surface to the focal point. The index is determined in response to the distances from the surface to the targeted focal point and from the surface to the actual focal point, which corresponds to a location of a peak intensity of an optical interference signal of the focused light within the lens. The determined refractive index is mapped to a region in the lens, and may be used to generate a gradient index profile of the lens to more accurately place laser beam pulses for incisions.

Customized ophthalmic surgical profiles

A customized surgical profile is validated for execution on a surgical system. In some aspects, a customized ophthalmic surgical profile, which includes a surgical pattern and at least one parameter associated with the surgical pattern, is obtained. A pattern definition file executable by a laser-based ophthalmic surgical system is generated based on the customized ophthalmic surgical profile. Execution of the customized ophthalmic surgical profile on the laser-based ophthalmic surgical system is simulated based on the pattern definition file, and the pattern definition file is validated based on an output of the simulation.

PATIENT INTERFACE FOR OPHTHALMOLOGIC DIAGNOSTIC AND INTERVENTIAL PROCEDURES

Abstract: The invention relates to a system for inter-coupling an ophthalmologic interventional system to an eye of a patient, comprising: a. a reservoir housing having a proximal part configured to be mechanically interfaced with the interventional system with a conical bottom end extending downward, the proximal part defining a hollow interior in which is mounted an optical element, the reservoir housing further including a distal part having a conical upper end within which nests the conical bottom end of the proximal part with a gap therebetween, the distal part also having an eye interface surface on a lower end configured to be removably and sealably coupled to the eye of the patient, the eye interface defining an opening below the optical element such that an optical aperture through the reservoir housing extends from the interventional system to the eye of a patient, and wherein when the distal part is coupled to the eye, the proximal part and distal part define a connected interior ...

Laser methods and systems for addressing conditions of the lens

Systems and methods for performing laser cataract surgery, for using a biometric system to determine a material property of a structure of the eye, laser pulses in a laser shot pattern having different powers. A therapeutic laser, and laser delivery system having the capability to vary the power of the laser beam.

Lenses systems and methods for providing binocular customized treatments to correct presbyopia

An apparatus, such as lenses, a system and a method for providing custom ocular aberrations that provide higher visual acuity. The apparatus, system and method include inducing rotationally symmetric aberrations along with an add power in one eye and inducing non-rotationally symmetric aberrations along with an add power in the other eye to provide improved visual acuity at an intermediate distance.

Varying a numerical aperture of a laser during lens fragmentation in cataract surgery

Some embodiments disclosed here provide for a method fragmenting a cataractous lens of a patient's eye using an ultra-short pulsed laser. The method can include determining, within a lens of a patient's eye, a high NA zone where a cone angle of a laser beam with a high numerical aperture is not shadowed by the iris, and a low NA zone radially closer to the iris where the cone angle of the laser beam with a low numerical aperture is not shadowed by the iris. Laser lens fragmentation is accomplished by delivering the laser beam with the high numerical aperture to the high NA zone, and the laser beam with the low numerical aperture to the low NA zone. This can result in a more effective fragmentation of a nucleus of the lens without exposing the retina to radiation above safety standards.

METHOD AND APPARATUS FOR REMOVING CATARACTOUS LENS TISSUE BY LASER RADIATION

METHOD AND APPARATUS FOR THERMAL EMULSIFICATION

A medical device that can emulsify tissue with a heated fluid. The device may include an active heating element that is located within an inner channel at a distal end of a cannula. The cannula is adapted to be inserted into tissue such as a cornea. The active heating element can provide heat to a fluid that flows through the inner channel. The heat can be transferred into a bolus of fluid that is periodically generated by a pump. The heated bolus is then directed onto tissue.

CORNEAL TOPOGRAPHY MEASUREMENT AND ALIGNMENT OF CORNEAL SURGICAL PROCEDURES

Methods and apparatus are configures to measure an eye without contacting the eye with a patient interface, and these measurements are used to determine alignment and placement of the incisions when the patient interface contacts the eye. The pre-contact locations of one or more structures of the eye can be used to determine corresponding post-contact locations of the one or more optical structures of the eye when the patient interface has contacted the eye, such that the laser incisions are placed at locations that promote normal vision of the eye. The incisions are positioned in relation to the pre-contact optical structures of the eye, such as an astigmatic treatment axis, nodal points of the eye, and visual axis of the eye.

PATIENT INTERFACE FOR OPHTHALMOLOGIC DIAGNOSTIC AND INTERVENTIONAL PROCEDURES

SYSTEM AND METHOD FOR INDIRECTLY DETERMINING WEIGHT ON EYE DURING LASER OPHTHALMIC SURGERY

The present disclosure provides a system and method for indirectly determining weight on eye, the weight resulting from contact between the eye and a docking apparatus for laser ophthalmic surgery. The system includes a docking apparatus, a measuring device, a display and a processor that determines a relative distance between a detectable position of a component of the docking apparatus and a neutral position of the eye, determines the weight on eye by reference to sensed force-distance reference data, and generates and transmits a pictorial representation of weight on eye to a display. The disclosure further provides a method for indirectly determining weight on eye, the weight resulting from contact between the eye and a docking apparatus for laser ophthalmic surgery.

TREATMENT LASER WITH REFLEX MIRROR AND SAFETY INTERLOCK

An ophthalmic laser system for generating a first beam at a first wavelength on a first beam path and a second beam at a second wavelength on a second beam path, and directing optics to selectively direct the first wavelength or the second wavelength to a treatment beam path. The ophthalmic laser system incorporates a reflex coaxial illuminator comprising a reflex mirror movable on an axis from a position out of the treatment beam path to a position in the treatment beam path to direct illumination into an illumination path coaxial with the treatment beam path and a safety interlock only allowing operation of the ophthalmic laser system on the first beam path if the reflex coaxial illuminator is in a first position and allowing operation of the ophthalmic laser system on either the first beam path or the second beam path if the reflex coaxial illuminator is not in the first position.

LASER SURGICAL SYSTEMS WITH LASER SCAN LOCATION VERIFICATION

A method of verifying a laser scan at a predetermined location within an object includes imaging at least a portion of the object, the resulting image comprising the predetermined location; identifying the predetermined location in the image, thereby establishing an expected scan location of the laser scan in the image; performing a laser scan on the object by scanning a focal point of the laser beam in a scanned area; detecting a luminescence from the scanned area and identifying an actual scanned location within the image based on the detected luminescence; and determining whether the difference between the actual scanned location and the expected scan location is within a threshold value.

DEVICES AND METHODS FOR OCULAR SURGERY

Devices, systems, and methods for performing an ophthalmic procedure in an eye are disclosed. The devices include a hand-held portion and a distal, elongate member coupled to the hand-held portion having a lumen operatively coupled to a vacuum source. A drive mechanism operatively coupled to the elongate member is configured to oscillate the elongate member. When in use, the device is configured to aspirate ocular material from the eye through the lumen. The drive mechanism retracts the elongate member with a retraction speed profile and advances the elongate member with an extension speed profile. The retraction speed profile is different from the extension speed profile.

SYSTEMS AND METHODS FOR PROVIDING VIRTUAL ACCESS TO A SURGICAL CONSOLE

A computer-based system and method is provided to allow for virtual access and control of a surgical console. The present invention may provide for the replication of the graphical user interface (GUI) associated with a piece of operating room equipment (305) and the provisioning of the replicated GUI to an internet accessible platform (330) that may act as an access point for a plurality of users.

PATIENT INTERFACE FOR OPHTHALMOLOGIC DIAGNOSTIC AND INTERVENTIONAL PROCEDURES

Configurations are described for conducting ophthalmic procedures to address cataract-related clinical challenges. In one embodiment, a one-piece patient contact interface may be utilized to couple a diagnostic and/or interventional system to a cornea of a patient; in another embodiment, a two-part configuration may be utilized; in another embodiment, a liquid interface two-part embodiment may be utilized.

APPARATUS FOR ENHANCED OCCLUSION REMOVAL DURING OPHTHALMIC SURGERY

A method and apparatus for performing a surgical procedure is provided. The surgical procedure may be a phacoemulsification procedure but other procedures may employ the techniques disclosed. The design includes sensing, within the surgical site, for a material change in fluid flow relative to a predetermined threshold. Upon sensing the fluid flow materially differs from the predetermined threshold, the design temporarily increases aspiration vacuum pressure to the surgical site above a predetermined upper threshold toward a maximum vacuum level. The design applies electrically generated disruptive energy, including but not limited to laser and/or relatively low power ultrasonic energy, to the surgical site from a first point in time measured from when aspiration vacuum pressure is above the predetermined upper threshold to a second point in time where pressure falls below a predetermined lower threshold.

INTRA-SURGICAL OPTICAL COHERENCE TOMOGRAPHIC IMAGING OF CATARACT PROCEDURES

A cataract surgical system includes a laser source to generate a first set of laser pulses; a guiding optic to guide the first set of laser pulses to a cataract target region in an eye; a laser controller to generate an electronic representation of a target scan pattern, and to control the guiding optic to scan the first set of laser pulses according to a portion of the target scan pattern to create a first photo-disrupted region in the cataract target region; and a Spectral Domain Optical Coherence Tomographic (SD-OCT) imaging system to generate an image of a portion of the first photo-disrupted region. The laser controller can generate an electronic representation of a modified scan pattern in relation to the image generated by the SD-OCT imaging system, and control the guiding optic to scan a second set of laser pulses according the modified scan pattern.

CONFOCAL DETECTION TO MINIMIZE CAPSULOTOMY OVERCUT WHILE DYNAMICALLY RUNNING ON THE CAPSULAR SURFACE

Embodiments of this disclosure disclose an imaging system, including an eye interface device, a scanning assembly, a beam source, a free-floating mechanism, and a detection assembly. The beam source generates an electromagnetic radiation beam. The detection assembly generates a signal indicative of an intensity of a portion of the electromagnetic radiation beam reflected from the focal point location. A subsequent focal point of the electromagnetic radiation beam may be adjusted per the measured intensity signal. In some embodiments, an intensity signal below a lower threshold value may suggest a depth increase for a subsequent focal point. An intensity signal above an upper threshold value may suggest a depth decrease for a subsequent focal point. And, an intensity signal between the lower and upper thresholds may suggest a depth be maintained for a subsequent focal point. The focal point may be adjusted after each pulse or after a plurality of pulses.

ADJUSTING OPHTHALMIC DOCKING SYSTEM

An adjusting ophthalmic docking system is described that includes a curved contact element, disposed on a procedure eye, a conformation platform at a distal tip of an optical system to support an adjustment of the curved contact element, and a connector to accommodate the adjustment of the contact element. The curved contact element can be a meniscus-shaped contact lens, with a proximal surface radius larger than a distal surface radius. The contact lens can be made of an approximately refractive index-matching material, such as a fluoro-polymer.

APPARATUS FOR EYE SURGERY

An eye-surgery apparatus disclosed herein comprises a stand having a stand base and a stand arm arrangement that is manually adjustable, at least partially, relative to the stand base. An operation microscope is attached to the stand arm arrangement. Further, the eye-surgery apparatus comprises a laser appliance, which provides pulsed, focused laser radiation having radiation properties suited to the application of incisions in the human eye. The laser appliance comprises a laser source and a laser treatment head that is attached to the stand arm arrangement and emits the laser radiation, a flexible transmission fibre or a jointed beam transport arm being provided for the purpose of transporting the laser radiation to the laser treatment head. The laser treatment head is positioned or positionable in an observation beam path of the operation microscope and provides a passage for an observation beam going along the observation beam path.

METHOD AND APPARATUS FOR PREVENTING POSTERIOR CAPSULAR OPACIFICATION

A method and apparatus for destroying residual lens epithelial cells within a lens capsule of an eye. The apparatus includes a probe configured for insertion, into the eye such that the probe is disposed either in the lens capsule or between the iris and the lens capsule. The probe is further configured to deliver energy therefrom to residual lens epithelial cells within the lens capsule in order to destroy them. The method includes the steps of inserting a probe constructed in accordance with the apparatus of present invention into the eye such that a distal end portion of the probe is disposed either within the lens capsule or between the iris and the lens capsule, delivering energy to the probe such that residual lens epithelial cells within the lens capsule are destroyed, ceasing the delivery of energy to the probe, and removing the probe from the eye.

DEVICES AND METHODS FOR OCULAR SURGERY

For the laser to assist the ocular treatment system and method

System and apparatus for delivering a laser beam to the lens of an eye

A system and method for increasing the amplitude of accommodation and/or changing the refractive power and/or enabling the removal of the clear or cataractous lens material of a natural crystalline lens is provided. Generally, the system comprises a laser, optics for delivering the laser beam and a control system for delivering the laser beam to the lens in a particular pattern. There is further provided a device for determining the shape and position of the lens with respect to the laser. There is yet further provided a method and system for delivering a laser beam in the lens of the eye in a predetermined shot pattern that utilize as series of shots that form a shell cut, a partial shell cut, a laser suture cut and/or a volumetric shaped removal, which essentially following the shape ofa suture layer of the lens.

APPAREIL OPHTALMOLOGIQUE A LASER

L'INVENTION CONCERNE LES APPAREILS MEDICAUX. L'APPAREIL FAISANT L'OBJET DE L'INVENTION EST CARACTERISE NOTAMMENT EN CE QUE LA SOURCE 4 DE RAYONNEMENT LASER ET LE SYSTEME OPTIQUE 5 D'ECLAIRAGE DU CHAMP OPERATOIRE 3 AU MOYEN D'UNE SOURCE A FENTE 6 MUNIE D'UN ELEMENT TRANSPARENT PORTANT LE REPERE D'AJUSTEMENT POUR LA MISE AU POINT DU FAISCEAU LASER SUR L'OBJET A IRRADIER, SONT RIGIDEMENT FIXES L'UN A L'AUTRE ET DISPOSES DANS UN CORPS 14 MONTE ARTICULE EN 18 DE MANIERE A PERMETTRE SA ROTATION AUTOUR D'UN AXE DE ROTATION COMMUN AVEC LE MICROSCOPE 1. L'APPAREIL PEUT ETRE UTILISE EN PARTICULIER POUR LE TRAITEMENT DU GLAUCOME, DE LA CATARACTE ET DE CERTAINS AUTRES ETATS PATHOLOGIQUES DE L'OEIL.

Ophthalmological laser with microscope - has laser unit with illumination units rigidly coupled in slewing housing coaxial to microscope

초음파 유화 흡입술용 관류 슬리브

... 본 발명의 일 실시예는 초음파 유화 흡입술용 니들의 샤프트의 일부분을 둘러싸며, 말단부 및 선단부를 구비하는 본체부, 상기 선단부로부터 연장되어 초음파 유화 흡입술용 니들의 허브를 둘러싸는 확대섹션 및 상기 본체부의 말단부의 외면에 형성되며, 상기 본체부 및 상기 확대섹션을 지나가는 중심축을 기준으로 360도 전방향으로 관류액을 배출하는 배출부를 포함하는, 초음파 유화 흡입술용 관류 슬리브를 제공한다.

SYSTEMS AND METHODS FOR ENHANCED OCCLUSION REMOVAL DURING OPHTHALMIC SURGERY

A method and apparatus for performing a surgical procedure is provided. The surgical procedure may be a phacoemulsification procedure but other procedures may employ the techniques disclosed. The design includes sensing, within the surgical site, for a material change in fluid flow relative to a predetermined threshold. Upon sensing the fluid flow materially differs from the predetermined threshold, the design temporarily increases aspiration vacuum pressure to the surgical site above a predetermined upper threshold toward a maximum vacuum level. The design applies electrically generated disruptive energy, including but not limited to laser and/or relatively low power ultrasonic energy, to the surgical site from a first point in time measured from when aspiration vacuum pressure is above the predetermined upper threshold to a second point in time where pressure falls below a predetermined lower threshold.

Photochemical tissue bonding

Photochemical tissue bonding methods include the application of a photosensitizer to a tissue, e.g., cornea, followed by irradiation with electromagnetic energy to produce a tissue seal. The methods are useful for wound repair, or other tissue repair.

Eye manipulator

An eye-manipulator can include an applicator-arm and an eye-contact element, the applicator-arm providing mechanical control over the eye-contact element, and the eye-contact element, connected to the applicator-arm, can be configured to make contact with an eye. A method of manipulating an eye includes aligning the eye-contact element with an eye by adjusting the applicator-arm of the eye-manipulator; contacting the eye with the eye-contact element of the eye-manipulator; and manipulating the eye with the eye-manipulator to assist a docking of a patient interface of an ophthalmic system onto the eye.

System and Method for Obviating Posterior Capsule Opacification

A system and method are provided for obviating Posterior Capsule Opacification (PCO) which require an Optical Coherence Tomography (OCT) device for imaging the interface surface between the posterior surface of an intraocular lens (IOL) and the capsular bag. Further, the OCT device is used to identify areas of relative opacity caused by a biological growth on the interface surface in the optical zone of the IOL. A laser unit is then used to direct the focal point of a femtosecond laser beam onto the areas of relative opacity to ablate the biological growth by Laser Induced Optical Breakdown (LIOB) to thereby obviate the PCO.

Patient interface for ophthalmologic diagnostic and interventional procedures

An ophthalmic system may comprise an imaging device having a field of view oriented toward the eye of the patient; a patient interface housing defining a passage therethrough, having a distal end coupled to one or more seals configured to be directly engaged with one or more surfaces of the eye of the patient, and wherein the proximal end is configured to be coupled to the patient workstation such that at least a portion of the field of view of the imaging device passes through the passage; and two or more registration fiducials coupled to the patient interface housing in a predetermined geometric configuration relative to the patient interface housing within the field of view of the imaging device such that they may be imaged by the imaging device in reference to predetermined geometric markers on the eye of the patient which may also be imaged by the imaging device.

Laser-Assisted Thermal Separation of Tissue

A laser-assisted method for fully or partially separating tissue such as collagen-containing tissue is provided. In one embodiment, the method pertains to a capsolurorhexis whereby the laser-assisted method is applied to the lens capsule. A light-absorbing agent is added into or onto the tissue. A light beam with a wavelength capable of being absorbed by the light absorbing agent is then directed at the tissue to cause a thermal effect at the tissue following a predetermined closed curve with the goal to avoid irregularity- or potential tears in the resulting rim of the tissue.

Methods and systems for performing a posterior capsulotomy and for laser eye surgery with a penetrated cornea

Method and apparatus for performing a laser-assisted posterior capsulotomy and for performing laser eye surgery on an eye having a penetrated cornea are provided. A method for performing a posterior capsulotomy includes injecting fluid between the lens posterior capsule and the anterior hyaloids membrane to separate the lens posterior capsule and the anterior hyaloids membrane. With the lens posterior capsule separated from the anterior hyaloids membrane, a posterior capsulotomy is performed on the lens posterior capsule by using a laser to incise the lens posterior capsule.

LASER-ASSISTED THERMAL SEPARATION OF TISSUE

A laser-assisted method for fully or partially separating tissue such as collagen containing tissue is provided. In one embodiment, the method pertains to a capsulorhexis whereby the laser-assisted method is applied to the lens capsule. A light-absorbing agent is added into or onto the tissue. A light beam with a wavelength capable of being absorbed by the light absorbing agent is then directed at the tissue to cause a thermal effect at the tissue following a predetermined closed curve with the goal to avoid irregularity or potential tears in the resulting rim of the tissue. 1. A device for thermally separating tissue in the anterior lens capsule of an eye in a procedure creating an opening in the anterior lens capsule , the device comprising:a laser device programmed to direct a laser beam along a predetermined closed curve on the anterior lens capsule;wherein the laser beam power, wavelength, and diameter at the anterior lens capsule are selected such that the laser beam is absorbed by a light absorbing agent in or on the anterior lens capsule to locally heat the anterior lens capsule along the closed curve without ablation of the anterior lens capsule, thereby separating the anterior lens capsule along the closed curve to form an area of anterior lens capsule tissue inside the closed curve and an area of anterior lens capsule tissue outside the closed curve, the lens capsule tissue outside the closed curve defining the boundary of the opening in the anterior lens capsule;wherein the laser device is programmed to direct the laser beam in a single pass starting at an initial point interior to the closed curve, then along the closed curve, and then to a final point interior to the closed curve;wherein the laser beam diameter at the anterior lens capsule is 50 microns to 600 microns;wherein the laser beam power at the anterior lens capsule is less than or equal to 1000 mW;wherein the laser beam is directed along the closed curve at less than or equal to 10 ...

SYSTEM AND METHOD FOR MANAGING PATIENT DATA DURING OPHTHALMIC SURGERY

The present disclosure provides a system and method for managing patient data during ophthalmic surgery. The systems and methods include an ophthalmic surgical device operable to receive data from a RFID chip. Data from the RFID chip is transmitted to a RFID read-write module operably coupled to the ophthalmic surgical system. A processor identifies the RFID chip based on the received data and determines whether the data stored to the RFID chip varies from data received from a surgical microscope by more than a predetermined percentage. The processor can generate a warning when the data stored to the RFID chip varies from data received from a surgical microscope by more than a predetermined percentage. 1. An ophthalmic surgical device comprising:a surgical microscope;a user interface;an RFID read-write module operable read an RFID chip and write patient data to an RFID chip associated with a patient;surgical instrumentation;a warning system; receive data from the RFID chip associated with a patient;', 'receive data from the surgical microscope associated with the patient;', 'compare the data from the RFID chip to the data from the surgical microscope;', 'determine whether the data from the RFID chip varies from the data from the surgical microscope by more than a predetermined percentage;', 'generate a warning, if the data from the RFID chip and the data from the surgical microscope vary by more than the predetermined percentage; and', 'transmit the warning to the warning system, causing the warning system to present a warning., 'and a processor operable to2. The ophthalmic surgical device of claim 1 , further comprising:an RFID chip associated with the ophthalmic surgical system.3. The ophthalmic surgical device of claim 1 , further comprising:a control device associated with the ophthalmic surgical system,wherein the RFID chip is connected to the ophthalmic surgical device, the RFID chip operable to transmit data to the processor, and wherein the processor is ...

SCLERAL TRANSLOCATION ELASTO-MODULATION METHODS AND APPARATUS

A laser delivery system is configured to delivery light energy to soften and realign the tissue of the eye in order to increase accommodation and treat glaucoma. The laser system can be configured to increase a circumlental space of the eye and increase movement of a posterior vitreous zonule in order to increase accommodation. The light energy may comprise wavelengths strongly absorbed by collagen of the sclera. In many embodiments a heat sink is provided to couple to the conjunctiva and the heat sink comprises a material transmissive to the light energy absorbed by collagen, for example Zinc Selenide. The heat sink can be chilled to inhibit damage to the conjunctiva of the eye. In many embodiments, one or more layers of the epithelium of the eye remain substantially intact above the zone where the eye has been treated when the heat sink has been removed. 1. An apparatus to treat an eye , the apparatus comprising:a source of energy to soften a sclera of the eye;a processor comprising instructions to treat the eye with the source of energy in order to soften the sclera between a lens equator and an insertion of posterior zonule into an ora serrata of the eye.2. An apparatus as in claim 1 , wherein the processor comprises instructions to treat the eye with the energy source to increase a circumlental space of the eye.3. An apparatus as in claim 1 , wherein the processor comprises instructions to treat the eye with the energy source to increase movement of a posterior vitreous zonule when the eye accommodates.4. An apparatus as in claim 1 , further comprising:a cooling structure to contact an outer surface of the eye, wherein the processor comprises instructions to treat the eye with the source of energy when the cooling structure contacts the outer surface of the eye.5. An apparatus as in claim 4 , wherein the cooling structure comprises one or more of a heat sink or a chiller.6. An apparatus as in claim 5 , wherein the cooling structure comprises the heat sink ...

PATIENT INTERFACE FOR OPHTHALMOLOGIC DIAGNOSTIC AND INTERVENTIONAL PROCEDURES

An ophthalmic system may comprise an imaging device having a field of view oriented toward the eye of the patient; a patient interface housing defining a passage therethrough, having a distal end coupled to one or more seals configured to be directly engaged with one or more surfaces of the eye of the patient, and wherein the proximal end is configured to be coupled to the patient workstation such that at least a portion of the field of view of the imaging device passes through the passage; and two or more registration fiducials coupled to the patient interface housing in a predetermined geometric configuration relative to the patient interface housing within the field of view of the imaging device such that they may be imaged by the imaging device in reference to predetermined geometric markers on the eye of the patient which may also be imaged by the imaging device. 127.-. (canceled)28. A system for ophthalmic intervention on an eye of a patient having temporary geometric markers thereon indicative of the orientation of an astigmatic axis of the patient's eye , comprising:a. an imaging device having a field of view oriented toward the eye of the patient, the imaging device configured for generating 3-dimensional images of the field of view;b. a patient interface housing having proximal and distal ends and defining a passage therethrough, wherein the distal end is coupled to one or more seals around a periphery of the passage configured to be directly engaged with an exterior surface of the eye of the patient and having a size sufficient to render visible the temporary geometric markers on the eye in that the temporary geometric markers are within the field of view of the imaging device, and wherein the proximal end is configured to be coupled to the patient workstation such that at least a portion of the field of view of the imaging device passes through the passage;c. three or more registration fiducials formed on an inner annulus of the patient interface housing ...

SUB-NANOSECOND LASER CATARACT SURGERY SYSTEM

Systems and methods for fragmenting a lens by a laser cataract surgery system includes a sub-nanosecond laser source generating a treatment beam that includes a plurality of laser beam pulses. An optical delivery system is coupled to the sub-nanosecond laser source to receive and direct the treatment beam. A processor is coupled to the sub-nanosecond laser source and the optical delivery system. The processor includes a tangible non-volatile computer readable medium comprising instructions to determine a lens cut pattern for lens fragmentation and determine a plurality of energies of the treatment beam as a linear function of a depth of the lens cut pattern. The treatment beam is output according to the lens cut pattern and the determined energies. 1. A laser cataract surgery system , comprising:a sub-nanosecond laser source generating a treatment beam that includes a plurality of laser beam pulses;an optical delivery system coupled to the sub-nanosecond laser source to receive and direct the treatment beam; and,a processor coupled to the sub-nanosecond laser source and the optical delivery system, the processor comprising a tangible non-volatile computer readable medium comprising instructions to:determine a lens cut pattern for lens fragmentation;determine a plurality of energies of the treatment beam as a linear function of a depth of the lens cut pattern; andoutput the treatment beam according to the lens cut pattern and the determined energies.2. The laser cataract system of claim 1 , wherein the plurality of energies of the treatment beam are between twice an energy threshold and ten times an energy threshold.3. The laser cataract system of claim 2 , wherein the energy threshold is an energy level at which visible damage in tissue is first observed.4. The laser cataract system of claim 3 , wherein the sub-nanosecond laser source generates the treatment beam with an energy five times the energy threshold of the tissue.5. The laser cataract system of claim 1 , ...

MEDICAL TOOLS WITH ASPIRATION TIPS SUITABLE FOR CATARACT SURGERIES AND RELATED METHODS

Devices and methods for cataract surgery include a tip with reciprocating door to chop, fragment or reduce size of large nuclear lens fragments and/or cortex fragments in a capsule bag to facilitate aspiration. 1. A method of performing cataract surgery , comprising:performing a phacoemulsification or laser disintegration procedure on an eye of a patient;inserting, in vivo, a tip of an aspiration tool that is in fluid communication with an aspiration channel into a posterior capsule bag of a patient, wherein the tip comprises an open leading end that defines an aspiration port and one or both of (i) a longitudinally translatable door that is configured to retract and extend to at least partially cover the aspiration port or (ii) first and second cooperating members that form the leading end of the tip and allow the leading end of the tip to open from a first configuration with a first size of the aspiration port to a second configuration with a second larger size of the aspiration port;aspirating nuclear lens and/or cortex fragments into the aspiration channel using the aspiration port; andmanually and/or automatically directing (a) the door to reciprocate in a longitudinal direction over the aspiration port or (b) the tip to successively open from the first configuration to the second configuration to thereby reduce a size of at least one nuclear lens fragment and/or cortex fragment to inhibit one or more nuclear lens fragments and/or one or more cortex fragments from blocking the aspiration port and/or the aspiration channel.2. The method of claim 1 , wherein the tip has the door and the method is carried out to manually and/or automatically directing the door to reciprocate claim 1 , and wherein the door comprises at least one aspiration port that is smaller than the aspiration port defined by the open leading end claim 1 , the method comprising manually or automatically directing the door to reciprocate in a longitudinal direction to at least partially cover the ...

LASER ASSISTED CATARACT SURGERY

Laser assisted cataract surgery methods and devices utilize one or more treatment laser beams to create a shaped opening in the anterior lens capsule of the eye when performing a capsulorrhexis procedure. A light absorbing agent may be applied to the anterior lens capsule to facilitate laser thermal separation of tissue along a treatment beam path on the lens capsule. Relative or absolute reflectance from the eye, and optionally from a surgical contact lens, may be measured to confirm and optionally quantify the presence of the light absorbing agent, before the treatment beam is applied. Such measurements may be used to determine that sufficient light absorbing agent is present in the lens capsule so that transmission of the treatment beam through the capsule will be below a predetermined threshold deemed safe for the retina and other interior portions of the eye, and may also be used to determine that sufficient light absorbing agent is present to result in complete laser thermal separation of the anterior capsule along the treatment beam path. Visualization patterns produced with one or more target laser beams may be projected onto the lens capsule tissue to aid in the capsulorrhexis procedure. In addition or alternatively, virtual visualization patterns may presented on a display integrated with a laser assisted cataract surgery device to aid in the procedure. The visual axis of the eye may be determined, during surgery for example, with a laser beam on which the patient is fixated. The orientation of a toric IOL may be assessed during or after placement by observing the reflection from the back of the eye of a laser beam on which the patient is fixated. The devices disclosed herein may be attached to or integrated with microscopes. 1. A device for creating an opening in the anterior lens capsule of the eye , the device comprising:a visible light laser beam blinking at a frequency perceptible to a human patient, directed into the eye, and establishing the visual ...

Viscoelastic soft tip plunger

Systems, methods, and devices for inserting an intraocular lens (IOL) assembly into an eye may be provided. An apparatus for delivery of a lens component into an eye may include a housing. The apparatus may further include a plunger at least partially disposed in the housing, wherein the housing comprises an elongated portion and a viscoelastic soft tip at a distal end of the elongated portion, wherein the viscoelastic soft tip has a storage modulus of about 1 megapascal (MPa) to about 300 MPa and a loss module of about 1 MPa to about 300 MPa. The apparatus may further include a drive mechanism operatively coupled to plunger and configured to cause the plunger to translate in the housing. The apparatus may further include a nozzle operatively coupled to the housing through which the plunger delivers the lens component into the eye.

VARYING A NUMERICAL APERTURE OF A LASER DURING LENS FRAGMENTATION IN CATARACT SURGERY

Some embodiments disclosed here provide for a method fragmenting a cataractous lens of a patient's eye using an ultra-short pulsed laser. The method can include determining, within a lens of a patient's eye, a high NA zone where a cone angle of a laser beam with a high numerical aperture is not shadowed by the iris, and a low NA zone radially closer to the iris where the cone angle of the laser beam with a low numerical aperture is not shadowed by the iris. Laser lens fragmentation is accomplished by delivering the laser beam with the high numerical aperture to the high NA zone, and the laser beam with the low numerical aperture to the low NA zone. This can result in a more effective fragmentation of a nucleus of the lens without exposing the retina to radiation above safety standards. 18.-. (canceled)9. A laser eye surgery control system comprising:a controller comprising one or more physical processors; ["a first region of a lens of a patient's eye to receive a laser beam having a first numerical aperture; and", "a second region of the lens of the patient's eye to receive a laser beam having a second numerical aperture, the second numerical aperture being lower than the first numerical aperture, and wherein at any given depth within a depth range along a central axis of the patient's eye, the second region is radially closer, on average, to an iris of the patient's eye than the first region; and"], 'a fragmentation module configured to use the one or more physical processors to determine a laser lens fragmentation treatment plan by determining control the laser source to deliver the laser beam having the first numerical aperture and a first energy to the first region of the lens without delivering the laser beam having the first numerical aperture and the first energy to the second region of the lens; and', "control the laser source to deliver the laser beam having the second numerical aperture and a second energy to the second region of the lens, wherein at any ...

SYSTEMS AND METHODS FOR EYE CATARACT REMOVAL

Systems and methods for assisting in the removal of a cataract from an eye can include obtaining pre-operative data for the eye, the pre-operative data including imaging data associated with the lens of the eye, determining a lens density map based on the imaging data associated with the lens, and generating laser fragmentation patterns for a laser fragmentation procedure based on the lens density map. 1. A method for use in relation to removing a lens of an eye , comprising:obtaining pre-operative data for the eye, the pre-operative data including imaging data associated with the lens of the eye;determining a lens density map based on the imaging data associated with the lens; andgenerating laser fragmentation patterns for a laser fragmentation procedure based on the lens density map.2. The method of claim 1 , determining the lens density map comprises analyzing an intensity of each of a plurality of pixels or each of a plurality of voxels from the imaging data.3. The method of claim 1 , further comprising determining a type of cataract based on the lens density map claim 1 , wherein generating the laser fragmentation patterns is further based on the type of cataract.4. The method of claim 1 , further comprising generating one or more device settings for a laser device used for performing the laser fragmentation procedure.5. The method of claim 4 , wherein the one or more device settings comprise a frequency of laser claim 4 , a power of laser claim 4 , a speed of laser claim 4 , or a type of laser.6. The method of claim 1 , wherein the generated laser fragmentation patters indicate at least one of a position and orientation of fragmentation lines claim 1 , a distance between the fragmentation lines claim 1 , a separation distance between laser treatment spots along the fragmentation lines claim 1 , a use of curved lines claim 1 , a use of spiral or irregular patterns claim 1 , a depth of cuts along each of the fragmentation lines claim 1 , or an angle of incidence ...

CATARACT EXTRACTION METHOD AND INSTRUMENTATION

A tip for a phacoemulsification handpiece, including a tubular structure having an elongate portion with generally parallel sides and a flared end portion extending outwardly from the elongate portion and presenting a mouth that is larger in diameter than a lumen diameter of the elongate portion. The tip may include a plurality of internally extending structures coupled to an interior of the tubular structure. A method of surgically removing a crystalline lens of an eye, including evaluating the crystalline lens to determine the level of nuclear sclerosis, sectioning at least a central portion of the crystalline lens into a plurality of lens fragments by application of femtosecond laser energy and aspirating the lens fragments from the eye using a phaco-aspiration tip coupled to a source of suction. The method may include application of pulsed vacuum to aspirate lens fragments. 1. A tip for a phacoemulsification handpiece , comprising:a tubular structure including an elongate portion having generally parallel sides and a flared end portion extending outwardly from the elongate portion and presenting a mouth that is larger in diameter than a lumen diameter of the elongate portion;a plurality of internally extending structures coupled to an interior of the tubular structure;wherein the tubular structure is coupled to the phacoemulsification handpiece which in turn is coupled to a source of suction by which fragments of a crystalline lens may be drawn into the lumen of the tubular structure.2. The tip for a phacoemulsification handpiece as claimed in claim 1 , wherein the internally extending structures comprise spikes or blades.3. The tip for a phacoemulsification handpiece as claimed in claim 1 , wherein the flared end portion is frustoconical in shape.4. The tip for a phacoemulsification handpiece as claimed in claim 1 , wherein the mouth defines an inner diameter of approximately 1200 μm.5. The tip for a phacoemulsification handpiece as claimed in claim 1 , wherein ...

Laser device and process for configuring such laser device

A process for configuring a laser device comprising: selecting a pulse length within a range from 1 ps to 1 ns; selecting a wavelength for the laser radiation within a range from 300 nm to 400 nm or within a range from 800 nm to 1100 nm; ascertaining a set of parameter values of the laser device that when the laser device is operated with these parameter values a two-dimensionally extensive separation of tissue of human corneal or lenticular tissue is achieved by stringing together local sites of damage, the set of parameter values including the selected pulse length, the selected wavelength, and values for at least one of the following parameters: a pulse energy, a pulse repetition rate, a fluence per radiation pulse, a number of pulses per site of damage, a scanning speed of a scanning apparatus of the laser device, and a focus diameter.

DEVICES AND METHODS FOR OCULAR SURGERY

Devices, systems, and methods for performing an ophthalmic procedure in an eye are disclosed. The devices include a hand-held portion and a distal, elongate member coupled to the hand-held portion having a lumen operatively coupled to a vacuum source. A drive mechanism operatively coupled to the elongate member is configured to oscillate the elongate member. When in use, the device is configured to aspirate ocular material from the eye through the lumen. The drive mechanism retracts the elongate member with a retraction speed profile and advances the elongate member with an extension speed profile. The retraction speed profile is different from the extension speed profile. 1. A medical device for removing lens tissue from inside a capsular bag of an eye , the device comprising:a housing sized to be held in a hand, the housing comprising:at least one vacuum generation source;a variable-speed motor operatively coupled to said at least one vacuum generation source;an actuator for activating the motor to power said at least one vacuum generation source; anda shaft adapted to access a lens inside the capsular bag of the eye, said shaft having a lumen fluidly coupled to said at least one vacuum generation source,wherein actuation of said actuator on said housing causes said at least one vacuum generation source to generate vacuum within said lumen to aspirate said lens tissue.2. The medical device of claim 1 , wherein said at least one vacuum generation source generates pulses of vacuum within the lumen.3. The medical device of claim 1 , wherein said at least one vacuum generation source comprises a plurality of vacuum generation sources housed within said housing.4. The medical device of claim 3 , wherein said housing comprises a reusable portion operatively coupled to a disposable portion claim 3 , and further wherein said plurality of vacuum generation sources are housed within said disposable portion of the housing.5. The medical device of claim 4 , wherein said motor ...

DEVICE INSERTION TOOL

A device insertion tool can include a body and a light redirecting structure. The body can extend along a central longitudinal axis between forward and aft ends. The body can include a device mount portion at the forward end to hold an optic and a handle portion at the aft end configured to be held. The body can be inserted into an anterior chamber of the eye with the optic mounted on the device mount portion at the forward end. The light redirecting structure can be engaged with the body between the forward and aft ends. The light redirecting structure can be one of at least one mirror and at least one prism. The light redirecting structure can be directed at the forward end and can be configured to redirect light traveling from the forward end toward the aft end transverse to the central longitudinal axis. 1. A device insertion tool comprising:a body extending along a central longitudinal axis between a forward end and an aft end, said body including a device mount portion at said forward end configured to hold an optic during insertion of the optic in an eye, said body also including a handle portion at said aft end configured to be held by a healthcare provider during insertion of the optic in the eye, wherein said body is configured to be inserted into an anterior chamber of the eye, through an incision in a cornea of the eye, with the optic mounted on said device mount portion at said forward end during positioning of the optic in the eye; anda light redirecting structure engaged with said body between said forward end and said aft end, said light redirecting structure being one of at least one mirror and at least one prism, said light redirecting structure directed at said forward end and configured to redirect light traveling from said forward end toward said aft end transverse to said central longitudinal axis.2. The device insertion tool of wherein said body and said light redirecting structure are integrally formed and unitary.3. The device insertion tool ...

PATIENT INTERFACE DEVICE FOR OPHTHALMIC SURGICAL LASER SYSTEM

A single-piece patient interface device (PI) for coupling an patient's eye to an ophthalmic surgical laser system, which includes a rigid shell, a flexible suction ring joined to a lower edge of the shell, an applanation lens, and a flexible annular diaphragm which joins the applanation lens to the shell near the lower edge of the shell. The flexible diaphragm allows the applanation lens to move relative to the shell, including to shift in longitudinal and lateral directions of the shell and to tilt. In operation, the surgeon first secures the PI to the patient's eye by hand, and then couples the laser system to the PI by lowering the laser delivery head into the PI shell. During the lowering process, the laser delivery head presses the applanation lens down relative to the PI to applanate the cornea of the eye. 1. A patient interface device for coupling an eye of a patient to an ophthalmic surgical laser system , comprising:a hollow shell formed of a rigid material;a flexible member including a flexible suction ring and a flexible annular diaphragm, wherein the flexible suction ring and the flexible annular diaphragm are formed integrally as one piece of a same flexible material, wherein the flexible member is joined to a lower edge of the shell; andan applanation lens located near the lower edge of the shell and joined to the flexible annular diaphragm, wherein the flexible annular diaphragm allows the applanation lens to move relative to the shell.2. The patient interface device of claim 1 , wherein the flexible annular diaphragm allows the applanation lens to move in a longitudinal direction of the shell claim 1 , to tilt claim 1 , and to shift in a lateral direction of the shell.3. The patient interface device of claim 1 , wherein the flexible annular diaphragm is formed of a thermoplastic elastomer having a hardness of Shore A durometer 20 to 65 claim 1 , and has a thickness of 0.010 to 0.160 inches.4. The patient interface device of claim 1 , wherein the ...

Optical imaging and measurement systems and methods for cataract surgery and treatment planning

An optical measurement system and apparatus for carrying out cataract diagnostics in an eye of a patient includes a Corneal Topography Subsystem, a wavefront aberrometer subsystem, and an eye structure imaging subsystem, wherein the subsystems have a shared optical axis, and each subsystem is operatively coupled to the others via a controller. The eye structure imaging subsystem is preferably a fourierdomain optical coherence tomographer, and more preferably, a swept source OCT.

Apparatus for patterned plasma-mediated laser ophthalmic surgery

A system for ophthalmic surgery on an eye includes: a pulsed laser which produces a treatment beam; an OCT imaging assembly capable of creating a continuous depth profile of the eye; an optical scanning system configured to position a focal zone of the treatment beam to a targeted location in three dimensions in one or more floaters in the posterior pole. The system also includes one or more controllers programmed to automatically scan tissues of the patient's eye with the imaging assembly; identify one or more boundaries of the one or more floaters based at least in part on the image data; iii. identify one or more treatment regions based upon the boundaries; and operate the optical scanning system with the pulsed laser to produce a treatment beam directed in a pattern based on the one or more treatment regions.

SYSTEM AND APPARATUS FOR TREATING THE LENS OF AN EYE

A system and apparatus for increasing the amplitude of accommodation and/or changing the refractive power and/or enabling the removal of the clear or cataractous lens material of a natural crystalline lens is provided. Generally, the system comprises a laser, optics for delivering the laser beam and a control system for delivering the laser beam to the lens in a particular pattern. There is further provided apparatus for determining the shape and position of the lens with respect to the laser. There is yet further provided a method and system for delivering a laser beam in the lens of the eye in a predetermined shot pattern. 113-. (canceled)14. A system for delivering lasers to a natural crystalline lens of an eye and for obtaining stereo images of the natural crystalline lens of the eye comprising:a. a first laser that generates a therapeutic laser beam of a predetermined first wavelength;b. a second laser that generates a second laser beam of a predetermined second wavelength;c. a scanner optically associated with the first laser beam and the second laser beam and the camera; wherein the scanner has the capability to provide stereo pairs of images of portions of the natural crystalline lens of the eye by delivering the first laser beam and the second Laser beam and deliver a laser beam from the first laser to the natural crystalline lens of the eye, wherein the redetermined first wavelength and a beam size of the first laser beam are such that the first laser beam travels entirely through ha cornea of the eye without significantly affecting the cornea prior to being delivered to the natural crystalline lens; andd. camera that receives the first laser beam and the second laser beam from the scanner and generates a stereo pair of images.15. (canceled)16. A system for delivering a laser beam to a natural crystalline lens of an eye comprising:a. a laser for producing, a laser beam of a predetermined wavelength;b. an optical path for directing the laser beam from the ...

INTEGRATED OPHTHALMIC SURGICAL SYSTEM

An ophthalmic surgical system includes a chassis comprising a laser source. The system includes a gantry coupled to the chassis. The position of the gantry is adjustable. The system includes a reference interface coupled to the gantry. The reference interface comprises an attachment interface at a distal portion of the reference interface, configured to couple to a patient interface for docking with an eye. The reference interface is configured to move to a first plate position proximal to the chassis and a second plate position distal from the chassis. The system further includes an optical head unit coupled to the reference interface. The optical head unit comprises a laser scanner and a beam splitter. The optical head unit is configured to move to a first head unit position near a proximal end of the reference interface and a second head unit position which is a lockable surgical position near a distal end of the reference interface. 1. An ophthalmic laser surgical system , comprising:a chassis comprising a pulsed laser source configured to generate a laser beam of laser pulses;a gantry coupled to the chassis, wherein the position of the gantry with respect to the chassis is adjustable; the reference interface comprises an attachment interface configured to couple to a patient interface for docking with an eye, the attachment interface located at a distal portion of the reference interface; and', 'the reference interface is configured to move to a first reference interface position in which the attachment interface is proximal to the chassis and a second reference interface position in which the attachment interface is distal from the chassis;, 'a reference interface coupled to the gantry, wherein [ a laser scanner configured to scan the scan the laser beam of pulsed laser pulses to a target region of an eye docked to the patient interface; and', 'a beam splitter configured to multiplex the scanned laser beam of pulsed laser pulses with an imaging beam path of an ...

Combined Laser and Phacoemulsification System for Eye Surgery

Cataract surgery is in recent years more and more augmented and supported by the application of laser cuts in the eye tissue. Such laser systems are separate units from the phacoemulsification system units that are usually used for cataract extraction. The laser systems require the patient to be positioned under the laser unit and then being moved under the surgical microscope next to the phacoemulsification unit. The here described invention relates to systems combining several aspects of the laser system and the phacoemulsification system. In particular, this invention relates to combining at least some parts of the control system and the housing for both systems and thereby minimizing and optimizing setup time, operating room footprint, patient flow and cost. Furthermore the here disclosed invention relates to integrating the laser system under the surgical microscope and thereby significantly reducing the surgery setup and complexity. 1. A system for eye surgery , comprising a common controller to control both (a) a femtosecond laser system to cut a tissue structure of an eye with a laser beam; and (b) a phacoemulsification system to emulsify a lens within a capsule of an eye;a control system having a surgeon input interface that controls both (a) at least some parameters to operate the femtosecond laser system, and (b) at least some parameters to operate the phacoemulsification system: and wherein at least a portion of the femtosecond laser system is housed in a common housing with at least a portion of the phacoemulsification system.2. A system as in claim 1 , wherein the femtosecond laser system can be controlled to cut the tissue structure of the eye that includes lens capsule claim 1 , limbal relaxing incisions claim 1 , corneal incisions claim 1 , vitrious claim 1 , retina claim 1 , and anterior chamber.3. A system as in claim 1 , wherein the femtosecond system includes a laser engine and a laser delivery system.4. A system as in claim 3 , wherein the ...

WAVEFRONT HIGHER ORDER CORRECTION OF IOLS USING REFRACTIVE INDEX MODIFICATION

An intraocular lens (IOL) implanted in a patient's eye in a cataract procedure is modified by altering the spatial refractive index profile of the IOL to remove higher order aberrations of the patient's visual system. The higher order aberrations are measured by an aberrometer, and the measured distortions on the cornea are propagated from the corneal surfaces to the IOL plane, and corrected in the IOL. This allows the choice to have high order aberration correction to be an independent choice for the patient, independent of the decision to have cataract surgery. In addition, patients with existing standard IOLs implanted may obtain the benefit of high order aberration correction at any time after implantation. 1. A process for correcting a vision of a patient's eye , comprising:measuring an aberration of the patient's eye using an aberrometer to determine higher order aberrations of the eye including an intraocular lens (IOL) which has been implanted in the eye, including determining locations of the eye that have the higher order aberrations;mathematically propagating the higher order aberrations to a plane of correction at the IOL;generating a laser treatment plan configured to cause a change in a refractive index of the IOL that corrects the higher order aberrations at the plane of correction; andoperating an ophthalmic laser system to modify the refractive index of the IOL according to the laser treatment plan.2. The process of claim 1 , further comprising claim 1 , before the measuring step claim 1 ,performing a cataract surgery on the patient's eye to remove a cataract lens and implant the IOL in the eye.3. The process of claim 1 , wherein the aberrometer is a wavefront aberrometer.4. The process of claim 1 , wherein the locations of the eye that have the higher order aberrations include a cornea anterior surface claim 1 , or a cornea posterior surface claim 1 , or the IOL.5. The process of claim 1 , wherein the higher order aberrations include all ...

Method and Apparatus for Patterned Plasma-Mediated Laser Trephination of the Lens Capsule and Three Dimensional Phaco-Segmentation

A laser surgical system for making incisions in ocular tissues during cataract surgery includes a laser system, an imaging device and a control system. The laser system includes a scanning assembly and a laser to generate a laser beam that incises ocular tissue. The imaging device acquires image data of a crystalline lens and constructs an image from the image data. The control system operates the imaging device to generate image data for the patient's crystalline lens, processes the image data to determine an anterior capsule incision scanning pattern for scanning a focal zone of the laser beam to perform an anterior capsule incision and operates the laser and the scanning assembly to scan the focal zone of the laser beam in the anterior capsule incision scanning pattern, wherein the focal zone is guided by the control system based on the image data. 120-. (canceled)21. A laser surgical system for making incisions in ocular tissues during a cataract surgical procedure , the system comprising:a laser system comprising one or more optical elements configured to produce a transverse focal volume that is transverse to an optical axis, a scanning assembly, a laser operable to generate a laser beam configured to incise ocular tissue;an imaging device configured to acquire image data from locations distributed throughout a volume of a lens of a patient and construct one or more images of the patient's eye tissues from the image data, and ["operate the imaging device to generate image data for the patient's ocular tissue;", 'process the image data to determine an incision scanning pattern for scanning the transverse focal zone of the laser beam for performing an incision scanning pattern, and', 'operate the laser and the scanning assembly to scan the transverse focal zone of the laser beam to perform the incision, wherein positioning of the transverse focal zone is guided by the control system based on the image data., 'a control system operably coupled to the laser system ...

Method for Creating Incision to Improve Intraocular Lens Placement

A system and method for inserting an intraocular lens in a patient's eye includes a light source for generating a light beam, a scanner for deflecting the light beam to form an enclosed treatment pattern that includes a registration feature, and a delivery system for delivering the enclosed treatment pattern to target tissue in the patient's eye to form an enclosed incision therein having the registration feature. An intraocular lens is placed within the enclosed incision, wherein the intraocular lens has a registration feature that engages with the registration feature of the enclosed incision. Alternately, the scanner can make a separate registration incision for a post that is connected to the intraocular lens via a strut member. 17.-. (canceled)8. A system for surgery on a tissue of a patient's eye , comprising:a. an imaging system for generating image data of one or more structures of the eye;b. a light source for producing a laser beam;c. one or more scanning elements for directing a focal point of a laser beam produced by the light source to various portions of a lens capsule of the eye; andd. a controller operatively coupled to the imaging assembly, the light source and the one or more scanning elements, wherein the controller is programmed to operate the imaging system so as to acquire image data of the one or more structures of the eye, and operate the one or more scanning elements to guide a laser beam produced by the light source based at least in part on the image data to create a capsulotomy and at least one intraocular lens registration feature within the lens capsule of the eye, wherein, taken together, the capsulotomy and the at least one registration feature has rotational asymmetry.9. The system of claim 8 , wherein the at least one registration feature is capable of mating with a complimentary feature of an intraocular lens to orient the intraocular lens.10. The system of claim 8 , wherein the capsulotomy comprises the at least one lens ...

Apparatus for patterned plasma-mediated laser ophthalmic surgery

A system for ophthalmic surgery on an eye includes: a pulsed laser which produces a treatment beam; an OCT imaging assembly capable of creating a continuous depth profile of the eye; an optical scanning system configured to position a focal zone of the treatment beam to a targeted location in three dimensions in one or more floaters in the posterior pole. The system also includes one or more controllers programmed to automatically scan tissues of the patient's eye with the imaging assembly; identify one or more boundaries of the one or more floaters based at least in part on the image data; iii. identify one or more treatment regions based upon the boundaries; and operate the optical scanning system with the pulsed laser to produce a treatment beam directed in a pattern based on the one or more treatment regions.

OPTICAL SURFACE IDENTIFICATION FOR LASER EYE SURGERY

Systems and methods automatically locate optical surfaces of an eye and automatically generate surface models of the optical surfaces. A method includes OCT scanning of an eye. Returning portions of a sample beam are processed to locate a point on the optical surface and first locations on the optical surface within a first radial distance of the point. A first surface model of the optical surface is generated based on the location of the point and the first locations. Returning portions of the sample beam are processed so as to detect second locations on the optical surface beyond the first radial distance and within a second radial distance from the point. A second surface model of the optical surface is generated based on the location of the point on the optical surface and the first and second locations on the optical surface. 136-. (canceled)37. A laser eye surgery system having an imaging system for generating a surface model of an optical surface of an eye , the eye including a cornea having anterior and posterior surfaces , a lens capsule having anterior and posterior surfaces , an iris , and a limbus , the method comprising:a cutting laser subsystem configured to generate a pulsed laser beam;an optical coherence tomography (OCT) imaging subsystem, the OCT imaging subsystem including an adjustable reference path length, the OCT imaging subsystem configured to produce a detection beam having a plurality of wavelengths such that the detection window spans a range of distances relative to the laser eye surgery system; andcontrol optics operably connected to the cutting laser subsystem and the OCT imaging subsystem, the control electronics programmed to:generate an OCT sample beam;process returning portions of the sample beam to locate a point on the optical surface relative to the laser eye surgery system;focus the OCT sample beam within the eye with the length of the reference path set to position the detection window based on the location of the point on the ...

COMBINED LASER AND PHACOEMULSIFICATION SYSTEM FOR EYE SURGERY

Cataract surgery is in recent years more and more augmented and supported by the application of laser cuts in the eye tissue. Such laser systems are separate units from the phacoemulsification system units that are usually used for cataract extraction. The laser systems require the patient to be positioned under the laser unit and then being moved under the surgical microscope next to the phacoemulsification unit. The here described invention relates to systems combining several aspects of the laser system and the phacoemulsification system. In particular, this invention relates to combining at least some parts of the control system and the housing for both systems and thereby minimizing and optimizing setup time, operating room footprint, patient flow and cost. Furthermore the here disclosed invention relates to integrating the laser system under the surgical microscope and thereby significantly reducing the surgery setup and complexity. 1. A system for eye surgery , comprising a common controller to control both (a) a femtosecond laser system to cut a tissue structure of an eye with a laser beam; and (b) a phacoemulsification system to emulsify a lens within a capsule of an eye;a control system having a surgeon input interface that controls both (a) at least some parameters to operate the femtosecond laser system, and (b) at least some parameters to operate the phacoemulsification system: and wherein at least a portion of the femtosecond laser system is housed in a common housing with at least a portion of the phacoemulsification system.2. A system as in claim 1 , wherein the femtosecond laser system can be controlled to cut the tissue structure of the eye that includes lens capsule claim 1 , limbal relaxing incisions claim 1 , corneal incisions claim 1 , vitrious claim 1 , retina claim 1 , and anterior chamber.3. A system as in claim 1 , wherein the femtosecond system includes a laser engine and a laser delivery system.4. A system as in claim 3 , wherein the ...

METHOD FOR PATTERNED PLASMA-MEDIATED MODIFICATION OF THE CRYSTALLINE LENS

A method of treating a cataractous lens of a patient's eye includes generating a light beam, deflecting the light beam using a scanner to form a treatment pattern, delivering the treatment pattern to the lens of the patient's eye to create a plurality of cuts in the form two or more different incisions patterns within the lens to segment the lens tissue into a plurality of patterned pieces, and mechanically breaking the lens into a plurality of pieces along the cuts. A first incision pattern includes two or more crossing cut incision planes. A second incision pattern includes a plurality of laser incision each extending along a first length between a posterior and an anterior surface of the lens capsule. 13-. (canceled)4. A method of treating a cataractous lens of a patient's eye , comprising:a. generating a light beam;b. deflecting the light beam using a scanner to form a treatment pattern of the light beam;c. delivering the treatment pattern to the lens of the patient's eye to create a plurality of cuts in the lens in the form two or more different incision patterns within the lens to segment the lens tissue into a plurality of patterned pieces, the incision patterns comprising:a first incision pattern comprising a plurality of laser incision planes each extending along a first length between a posterior and an anterior surface of the lens capsule, wherein the plurality of the laser incision planes of the first treatment pattern comprise two or more crossing cut incision planes; anda second incision pattern comprising one or more laser incisions, each extending along a first length between a posterior and an anterior surface of the lens capsule; andd. mechanically breaking the lens into a plurality of pieces along the cuts.5. The method of claim 4 , wherein the crossing cut incisions do not pass through the center of the lens as viewed from a posterior to an anterior position along the optical axis.6. A method of treating a cataractous lens of a patient's eye ...

Method for patterned plasma-mediated modification of the crystalline lens

A method of treating a lens of a patient's eye includes generating a light beam, deflecting the light beam using a scanner to form a treatment pattern of the light beam, delivering the treatment pattern to the lens of a patient's eye to create a plurality of cuts in the lens in the form of the treatment pattern to break the lens up into a plurality of pieces, and removing the lens pieces from the patient's eye. The lens pieces can then be mechanically removed. The light beam can be used to create larger segmenting cuts into the lens, as well as smaller softening cuts that soften the lens for easier removal.

Ophthalmic laser system

An ophthalmic laser system generating a first beam at a wavelength suitable for performing selective laser trabeculoplasty and selectively generating a second beam at a wavelength suitable for performing secondary cataract surgery procedures. The laser system is able to select between directing the first beam or the second beam to the eye of a patient. The first beam is suitably generated at 1064 nm from a Nd:YAG laser and the second beam is frequency doubled to 532 nm in a KTP doubling crystal.

METHOD AND APPARATUS FOR LASER ASSISTED CATARACT SURGERY

Devices and methods for use in laser-assisted surgery, particularly cataract surgery. Specifically, the use of an optical fiber with a proximal and distal end, wherein the distal end has a non-orthogonal angle with the diameter of the optical fiber, to create an off-axis steam bubble for cutting and removing tissue in an operative region. Where the optical fiber is bent, rotating the fiber creates a circular cutting path for the steam bubble, allowing access to tissues that may normally be blocked by obstructions and obstacles. 1. A surgical device comprising:an optical fiber having a proximal end and distal end,wherein the optical fiber is configured to generate a steam bubble from light energy conveyed out the distal end of the fiber, the proximal end is operatively connected to a light source, and the distal end comprises a tip with a non-orthogonal tilted edge across the diameter of the fiber.2. The device of claim 1 , further comprising a tube that encloses the optical fiber.3. The device of claim 2 , wherein the tube is pre-bent at a predetermined angle.4. The device of claim 1 , wherein an angle of the tilted edge exceeds 45 degrees.5. The device of claim 1 , wherein an angle of the tilted edge does not exceed 45 degrees.6. The device of claim 5 , wherein the angle of the tilted edge exceeds 7 degrees.7. The device of claim 1 , wherein the optical fiber is further configured to generate a second steam bubble from the application of laser energy8. A method comprising:transmitting light energy through an optical fiber;generating a steam bubble; anddirecting the steam bubble to an operative region of a patient;wherein the optical fiber has a proximal end and a distal end, the optical fiber being configured to generate the steam bubble from light energy conveyed out the distal end of the fiber, the proximal end being operatively connected to a light source, and the distal end comprising a tip with a non-orthogonal tilted edge across the diameter of the fiber.9. ...

TREATMENT LASER WITH REFLEX MIRROR AND SAFETY INTERLOCK

An ophthalmic laser system for generating a first beam at a first wavelength on a first beam path and a second beam at a second wavelength on a second beam path, and directing optics to selectively direct the first wavelength or the second wavelength to a treatment beam path. The ophthalmic laser system incorporates a reflex coaxial illuminator comprising a reflex mirror movable on an axis from a position out of the treatment beam path to a position in the treatment beam path to direct illumination into an illumination path coaxial with the treatment beam path and a safety interlock only allowing operation of the ophthalmic laser system on the first beam path if the reflex coaxial illuminator is in a first position and allowing operation of the ophthalmic laser system on either the first beam path or the second beam path if the reflex coaxial illuminator is not in the first position. 1. An ophthalmic laser system comprising:a laser module producing a beam of short pulses of radiation with high energy density at a first wavelength;a first beam path incorporating optical elements for directing the beam at the first wavelength into a treatment beam path to an eye of a patient;a second beam path incorporating a frequency doubling module that converts the beam at the first wavelength to a beam at a second wavelength, and optical elements for directing the beam at the second wavelength to the treatment beam path;beam steering optics for selectively deflecting the beam at the first wavelength into the second beam path, the beam steering optics being operable between a first position in which the beam at the first wavelength follows the first beam path and a second position in which the beam at the first wavelength is deflected to the second beam path;a reflex coaxial illuminator comprising a reflex mirror movable on an axis from a position in the treatment beam path to a position out of the treatment beam path; anda safety interlock only allowing operation of the ...

SIMULATING EYE SURGERY

A reusable surgical model of the eye has mating anterior and posterior segments. The posterior segment has structures corresponding to those of the eye, including a hollow globe and an image of the fundus positioned upon an interior, posterior portion of the globe. A mating connector is peripherally formed about an open end of the globe. The anterior segment includes structures corresponding to those of the eye, including a pars plana, an opening in a region corresponding to an iris, and a lens positionable within the opening. The anterior segment has a peripheral connector which mates with that of the posterior segment. The lens is removably connected to the anterior segment, and has a focal length corresponding to a natural eye. A coating is applied to the fundus to enable simulation of a membrane peeling procedure, and the globe is Tillable with a vitreous substitute. 1. A device for simulating surgery upon the eye , comprising: structures corresponding to those of the eye, including a hollow globe and an image of the fundus positioned upon an interior, posterior portion of the globe; and', 'a first mating portion peripherally formed about an open end of the globe;, 'a posterior segment including structures corresponding to those of the eye, including a pars plana, an opening in a region corresponding to an iris, and a lens positionable within the opening;', 'a second mating portion peripherally formed about a posterior portion of the anterior segment, the second mating portion mateable with the first mating portion to releasably connect the posterior and anterior segments;', 'a third mating portion peripherally formed about the lens; and', 'a fourth mating portion peripherally formed about the opening, the fourth mating portion mateable with the third mating portion to releaseably connect the lens and the anterior portion., 'an anterior segment including2. The device of claim 1 , wherein the first claim 1 , second claim 1 , third claim 1 , and fourth mating ...

SYSTEMS AND METHODS FOR ENHANCED OCCLUSION REMOVAL DURING OPHTHALMIC SURGERY

A method and apparatus for performing a surgical procedure is provided. The surgical procedure may be a phacoemulsification procedure but other procedures may employ the techniques disclosed. The design includes sensing, within the surgical site, for a material change in fluid flow relative to a predetermined threshold. Upon sensing the fluid flow materially differs from the predetermined threshold, the design temporarily increases aspiration vacuum pressure to the surgical site above a predetermined upper threshold toward a maximum vacuum level. The design applies electrically generated disruptive energy, including but not limited to laser and/or relatively low power ultrasonic energy, to the surgical site from a first point in time measured from when aspiration vacuum pressure is above the predetermined upper threshold to a second point in time where pressure falls below a predetermined lower threshold. 120-. (canceled)21. A surgical device comprising:a handpiece;a fluid line having a proximal end and a distal end, wherein the proximal end is operatively coupled to the handpiece;a pump operatively coupled to the distal end of the fluid line;a pressure transducer operatively coupled to the fluid line in between the pump and the handpiece;a controller operatively coupled to the pressure transducer, the controller configured to monitor fluid flow relative to a surgical site, sense for a material change in fluid flow relative to a predetermined threshold, indicating presence of an occlusion within the surgical site, wherein upon sensing the fluid flow materially differs from the predetermined threshold, temporarily increasing aspiration vacuum pressure above a predetermined upper threshold toward a maximum vacuum level; andan energy application device configured to apply electrically generated disruptive energy to the surgical site from a first point in time measured from when aspiration vacuum pressure is approximately at the maximum vacuum level to a second point in ...

SYSTEMS AND METHODS FOR LENTICULAR LASER INCISION

Embodiments of this invention generally relate to ophthalmic laser procedures and, more particularly, to systems and methods for lenticular laser incision. In an embodiment, an ophthalmic surgical laser system comprises a laser delivery system for delivering a pulsed laser beam to a target in a subject's eye, an XY-scan device to deflect the pulsed laser beam, a Z-scan device to modify a depth of a focus of the pulsed laser beam, and a controller configured to form a top lenticular incision and a bottom lenticular incision of a lens in the subject's eye, where each of the top and bottom lenticular incision includes a center spherical portion and an edge transition portion that is not located on the same spherical surface as the spherical portion but has a steeper shape. 1. An ophthalmic surgical laser system comprising:a laser delivery system for delivering a pulsed laser beam to a target in a subject's eye;an XY-scan device to deflect the pulsed laser beam;a Z-scan device to modify a depth of a focus of the pulsed laser beam; anda controller configured to control the XY-scan device and the Z-scan device to form a top lenticular incision and a bottom lenticular incision of a lens in a cornea of the subject's eye, wherein the top lenticular incision has a top convex spherical portion at a center and a top edge transition portion that surrounds the top spherical portion, the top spherical portion being a part of a first sphere, the top edge transition portion being not a part of the first sphere and being located within a volume defined by the first sphere, the top lenticular incision being a smooth surface, wherein the bottom lenticular incision has a bottom convex spherical portion at a center and a bottom edge transition portion that surrounds the bottom spherical portion, the bottom spherical portion being a part of a second sphere, the bottom edge transition portion being not a part of the second sphere and being located within a volume defined by the second ...

SYSTEM AND APPARATUS FOR TREATING THE LENS OF AN EYE

A system and apparatus for increasing the amplitude of accommodation and/or changing the refractive power and/or enabling the removal of the clear or cataractous lens material of a natural crystalline lens is provided. Generally, the system comprises a laser, optics for delivering the laser beam and a control system for delivering the laser beam to the lens in a particular pattern. There is further provided apparatus for determining the shape and position of the lens with respect to the laser. There is yet further provided a method and system for delivering a laser beam in the lens of the eye in a predetermined shot pattern. 117-. (canceled)18. A system for delivering lasers to a natural crystalline lens of an eye and for obtaining stereo images of the natural crystalline lens of the eye comprising:a. a first laser that generates a therapeutic laser beam of a predetermined first wavelength;b. a second laser that generates a second laser beam of a predetermined second wavelength;c. a scanner optically associated with the first laser beam and the second laser beam and the camera; wherein the scanner has the capability to provide stereo pairs of images of portions of the natural crystalline lens of the eye by delivering the first laser beam and the second laser beam and deliver a laser beam from the first laser to the natural crystalline lens of the eye, wherein the predetermined first wavelength and a beam size of the first laser beam are such that the first laser beam travels entirely through ha cornea of the eye without significantly affecting the cornea prior to being delivered to the natural crystalline lens; andd. a camera that receives the first laser beam and the second laser beam from the scanner and generates a stereo pair of images.19. A laser system for treating a cataractous natural crystalline lens of an eye , the laser system comprising:a. a laser that generates a therapeutic laser beam;b. an optical assembly that receives, directs and focuses the ...

SYSTEM AND METHOD FOR EFFECTING WATER HAMMER IN SURGICAL SYSTEMS

The present invention discloses a system comprising an actuation valve for receiving a first pressurized fluid, a piston in communication with the actuation valve, and a flow restrictor for controlling the flow of a second pressurized fluid from the piston. The flow restrictor may vent to ambient pressure and the piston may act as a pinch valve on at least one of an irrigation line. 1. A system for reducing water hammer effects in a phacoemulsification surgical system , comprising:an actuation valve for receiving a first pressurized fluid;a piston portion in communication with the actuation valve for receiving at least a portion of the first pressurized fluid;a flow restrictor for controlling the flow of a second pressurized fluid received from the piston portion; anda vent for releasing the pressure of the second pressurized fluid to atmosphere.2. The system of claim 1 , wherein the flow restrictor has a diameter of less than about 0.020 inches.3. The system of claim 1 , wherein the flow restrictor has a diameter of about 0.016 inches.4. The system of claim 1 , wherein the flow restrictor has a diameter of less than about 0.080 inches.5. The system of claim 1 , wherein the flow restrictor has a diameter of about 0.060 inches.6. The system of claim 1 , wherein the pressure of the first pressurized fluid is selected from the range of 25 psi to 50 psi.7. The system of claim 1 , wherein the second pressurized fluid is less than about 50 psi.8. The system of claim 1 , wherein the first pressurized fluid applies a force to a return spring associated with the piston portion.9. The system of claim 1 , wherein the flow restrictor vents to ambient pressure.10. The system of claim 1 , wherein the actuation valve is controlled by a surgical console.11. The system of claim 1 , wherein the piston portion acts comprises a pinch valve in communication with an irrigation line.12. A method for reducing water hammer effects in a phacoemulsification surgical system claim 1 , ...

APPARATUS FOR PATTERNED PLASMA-MEDIATED LASER OPHTHALMIC SURGERY

A system for ophthalmic surgery on an eye includes: a pulsed laser which produces a treatment beam; an OCT imaging assembly capable of creating a continuous depth profile of the eye; an optical scanning system configured to position a focal zone of the treatment beam to a targeted location in three dimensions in one or more floaters in the posterior pole. The system also includes one or more controllers programmed to automatically scan tissues of the patient's eye with the imaging assembly; identify one or more boundaries of the one or more floaters based at least in part on the image data; iii. identify one or more treatment regions based upon the boundaries; and operate the optical scanning system with the pulsed laser to produce a treatment beam directed in a pattern based on the one or more treatment regions. 120-. (canceled)21. A laser surgical system for making incisions in ocular tissues during a cataract surgical procedure , the system comprising:a laser system comprising a scanning assembly;a laser operable to generate a laser beam configured to incise ocular tissue;an imaging device configured to acquire image data of at least a portion of the crystalline lens; and operate the imaging device to acquire image data;', 'identify one or more treatment targets based in part of the image data;', 'operate the scanning assembly to position a focal zone of the laser beam at a predetermined position in the ocular tissue;', 'prior to scanning the target tissue at the predetermined position, operate the imaging device to generate image data and process the image data to determine whether the one or more treatment targets is located at the predetermined position; and', 'if the one or more targets is at the predetermined position, operate the laser and the scanning assembly to scan the focal zone of the laser beam in a treatment scanning pattern, wherein positioning of the focal zone in the treatment scanning pattern is determined in part by the control system based on ...

Method and Apparatus for Creating Ocular Surgical and Relaxing Incisions

A system and method of treating target tissue in a patient's eye, which includes generating a light beam, deflecting the light beam using a scanner to form first and second treatment patterns, delivering the first treatment pattern to the target tissue to form an incision that provides access to an eye chamber of the patient's eye, and delivering the second treatment pattern to the target tissue to form a relaxation incision along or near limbus tissue or along corneal tissue anterior to the limbus tissue of the patient's eye to reduce astigmatism thereof. 115-. (canceled)16. A method for treating a target tissue in a patient's eye , comprising:generating a treatment light beam;generating an imaging light beam;deflecting the treatment light beam and the imaging light beam with a scanner that is under the control of a controller, the deflected treatment light beam configured to form a treatment pattern; anddelivering the treatment light beam and the imaging light beam to the target tissue to form the treatment pattern, wherein the imaging beam is indicative of the location of the treatment light beam.17. The method of claim 16 , wherein the imaging beam is indicative of a focal position of the treatment light beam.18. The method of claim 16 , further comprising:delivering both the treatment light beam and the imaging light beam along a common optical path to at least one of the scanner and the delivery system.19. The method of claim 16 , wherein the common optical path comprises a beam combiner for combining the treatment light beam and the imaging light beam.20. The method of claim 16 , where the target tissue is selected from the group consisting of the lens claim 16 , lens capsule claim 16 , cornea claim 16 , limbus and sclera of the patient's eye.21. The method of claim 16 , further comprising:measuring back reflections or scatter of the deflected imaging light beam from structures at or near the target tissue of the patient's eye, and wherein the controller ...

Method and Apparatus for Creating Ocular Surgical and Relaxing Incisions

A system and method of treating target tissue in a patient's eye, which includes generating a light beam, deflecting the light beam using a scanner to form first and second treatment patterns, delivering the first treatment pattern to the target tissue to form an incision that provides access to an eye chamber of the patient's eye, and delivering the second treatment pattern to the target tissue to form a relaxation incision along or near limbus tissue or along corneal tissue anterior to the limbus tissue of the patient's eye to reduce astigmatism thereof. 115-. (canceled)16. A scanning system for treating a target tissue in a patient's eye , comprising:a first light source for generating a treatment light beam;a second light source for generating an imaging light beam;a scanner for deflecting the treatment light beam to form a treatment pattern under the control of a controller, the scanner further deflecting the imaging light beam; anda delivery system for delivering the treatment light beam to the target tissue to form the treatment pattern, the delivery system also for delivering the imaging light beam to the target tissue such that the imaging beam is indicative of the location of the treatment light beam.17. The system of claim 16 , wherein the imaging beam is indicative of a focal position of the treatment light beam.18. The system of claim 16 , further comprising:a common optical path comprising one or more optical elements for delivering both the treatment light beam and the imaging light beam to at least one of the scanner and the delivery system.19. The system of claim 16 , wherein the one or more optical elements comprises a beam combiner for combining the treatment light beam and the imaging light beam.20. The system of claim 16 , where the target tissue is selected from the group consisting of the lens claim 16 , lens capsule claim 16 , cornea claim 16 , limbus and sclera of the patient's eye.21. The system of claim 16 , further comprising:measuring ...

METHODS AND SYSTEMS FOR OPTHALMIC MEASUREMENTS AND LASER SURGERY AND METHODS AND SYSTEMS FOR SURGICAL PLANNING BASED THEREON

An ophthalmic measurement and laser surgery system includes: a laser source; a corneal topography subsystem; an axis determining subsystem; a ranging subsystem comprising an Optical Coherence Tomographer (OCT); and a refractive index determining subsystem. All of the subsystems are under the operative control of a controller. The controller is configure to: operate the corneal topography subsystem to obtain corneal surface information; operate the axis determining subsystem to identify one or more ophthalmic axes of the eye; operate the OCT to sequentially scan the eye in a plurality of OCT scan patterns, the plurality of scan patterns configured to determine an axial length of the eye; operate the refractive index determining subsystem so to determine an index of refraction of one or more ophthalmic tissues, wherein at least one of the corneal surface information, ophthalmic axis information, and axial length is modified based on the determined index of refraction. 122.-. (canceled)23. A method implemented in an ophthalmic measurement and laser surgery system for measuring a patient's eye , the method comprising:by a laser source, producing a pulsed laser beam;by a controller, operating a corneal topography determining subsystem of the ophthalmic measurement and laser surgery system to obtain corneal surface information of the eye;by the controller, operating an axis determining subsystem of the ophthalmic measurement and laser surgery system to identify one or more ophthalmic axes of the eye;by the controller, operating an optical coherence tomographer (OCT) of the ophthalmic measurement and laser surgery system to sequentially scan the eye in a plurality of OCT scan patterns, the plurality of scan patterns configured to determine an axial length of the eye;by the controller, operating a refractive index determining subsystem of the ophthalmic measurement and laser surgery system to determine an index of refraction of one or more ophthalmic tissues of the eye; ...

Lenses, systems and methods for providing binocular customized treatments to correct presbyopia

An apparatus, such as lenses, a system and a method for providing custom ocular aberrations that provide higher visual acuity. The apparatus, system and method include inducing rotationally symmetric aberrations along with an add power in one eye and inducing non-rotationally symmetric aberrations along with an add power in the other eye to provide improved visual acuity at an intermediate distance.

System and method for measuring tilt

A method of generating three dimensional shapes for a cornea and lens of an eye, the method including illuminating an eye with multiple sections of light and obtaining multiple sectional images of said eye based on said multiple sections of light. For each one of the obtained multiple sectional images, the following processes are performed: a) automatically identifying arcs, in two-dimensional space, corresponding to anterior and posterior corneal and lens surfaces of the eye by image analysis and curve fitting of the one of the obtained multiple sectional images; and b) determining an intersection of lines ray traced back from the identified arcs in two-dimensional space with a known position of a section of space containing the section of light that generated the one of the obtained multiple sectional images, wherein the determined intersection defines a three-dimensional arc curve. The method further including reconstructing three-dimensional shapes of the anterior and posterior cornea surfaces and the anterior and posterior lens surfaces based on fitting the three-dimensional arc curve to a three-dimensional shape.

Laser methods and systems for the aligned insertion of devices into a structure of the eye

Systems, methods and apparatus for replacement of cataractous lenses, the insertions of devices into the eye, and the alignment of IOLs, including toric IOLs. Systems, methods and apparatus for forming laser cut capsulotomies having alignment nubs that are aligned with an astigmatic axis of the eye.

APPARATUS FOR PATTERNED PLASMA-MEDIATED LASER OPHTHALMIC SURGERY

A system for ophthalmic surgery on an eye includes: a pulsed laser which produces a treatment beam; an OCT imaging assembly capable of creating a continuous depth profile of the eye; an optical scanning system configured to position a focal zone of the treatment beam to a targeted location in three dimensions in one or more floaters in the posterior pole. The system also includes one or more controllers programmed to automatically scan tissues of the patient's eye with the imaging assembly; identify one or more boundaries of the one or more floaters based at least in part on the image data; iii. identify one or more treatment regions based upon the boundaries; and operate the optical scanning system with the pulsed laser to produce a treatment beam directed in a pattern based on the one or more treatment regions. 120.-. (canceled)21. An ophthalmic surgical system for treating a floater in an eye of a patient , comprising:a pulsed laser configured to produce a pulsed laser treatment beam which creates tissue breakdown in a focal zone of the pulsed laser treatment beam within the eye;an optical scanning system configured to position the focal zone of the laser treatment beam to a targeted location in three dimensions in the eye; andan imaging assembly configured to acquire image data from locations distributed throughout a volume adjacent a posterior pole of the eye, the imaging system comprising one or more selected from the group consisting of an interferometer, a time domain optical coherence tomography system, a frequency domain optical coherence tomography system, a confocal microscope, and a scanning confocal microscope system; operate the imaging system to acquire image data from locations distributed throughout the volume adjacent the posterior pole of the eye and construct one or more images of ocular tissue of the eye from the image data, wherein the one or more images comprise one or more boundaries of the floater in the ocular tissue;', 'construct a ...

SYSTEMS, INTRAOCULAR LENSES, AND METHODS FOR TREATMENT OF POSTERIOR CAPSULE OPACIFICATION

In various embodiments, ocular treatment systems, intraocular lenses, and treatment methods are utilized for the treatment or prevention of posterior capsule opacification of the eye by, for example, targeting portions of the posterior lens capsule for ablation while minimizing damage to implanted intraocular lenses. 1. A method of treating posterior capsule opacification (PCO) in a patient's eye comprising (i) a lens capsule having a posterior surface exhibiting PCO , and (ii) an intraocular lens implanted within the lens capsule , the method comprising:urging the intraocular lens away from the posterior surface of the lens capsule so that a distance between the intraocular lens and the lens capsule is greater than a threshold distance; andthereafter, removing at least a portion of the posterior surface of the lens capsule.2. The method of claim 1 , wherein the threshold distance is 10 μm.3. The method of claim 1 , wherein the threshold distance is 500 μm.4. The method of claim 1 , wherein the threshold distance is 3000 μm.5. The method of claim 1 , wherein removing the at least a portion of the posterior surface of the lens capsule comprises focusing laser or ultrasound energy thereon.6. The method of claim 1 , wherein urging the intraocular lens away from the posterior surface of the lens capsule comprises introducing a fluid between the intraocular lens and the posterior surface of the lens capsule.7. The method of claim 6 , wherein a viscosity of the fluid is at least 1 centistoke.8. The method of claim 6 , wherein a viscosity of the fluid is at least 1000 centistokes.9. The method of claim 1 , wherein the intraocular lens comprises (i) a peripheral edge at least a portion of which is sealed against the lens capsule claim 1 , and (ii) a posterior optical surface in opposed relation to the posterior surface of the lens capsule to form a compartment including both of the surfaces.10. The method of claim 1 , wherein (i) the intraocular lens is an inflatable ...

SYSTEMS AND METHODS FOR LENTICULAR LASER INCISION

Embodiments of this invention generally relate to ophthalmic laser procedures and, more particularly, to systems and methods for lenticular laser incision. In an embodiment, an ophthalmic surgical laser system comprises a laser delivery system for delivering a pulsed laser beam to a target in a subject's eye, an XY-scan device to deflect the pulsed laser beam, a Z-scan device to modify a depth of a focus of the pulsed laser beam, and a controller configured to form a top lenticular incision and a bottom lenticular incision of a lens in the subject's eye. 1. An ophthalmic surgical laser system comprising:a laser delivery system for delivering a pulsed laser beam to a target in a subject's eye;an XY-scan device to deflect the pulsed laser beam;a Z-scan device to modify a depth of a focus of the pulsed laser beam; anda controller configured to control the XY-scan device and the Z-scan device to form a top lenticular incision and a bottom lenticular incision of a lens in the subject's eye.2. The ophthalmic surgical laser system of further comprising a resonant scanner.3. The ophthalmic surgical laser system of claim 1 , wherein the XY-scan device deflects the pulsed laser beam to form a scan line.4. The ophthalmic surgical laser system of claim 3 , wherein the scan line is tangential to the parallels of latitude of the lens.5. The ophthalmic surgical laser system of claim 4 , wherein the scan line is moved along the meridians of longitude of the lens.6. The ophthalmic surgical laser system of claim 5 , wherein the top lenticular incision is moved over the top surface of the lens through the apex of the top surface of the lens claim 5 , and the bottom lenticular incision is moved over the bottom surface of the lens through the apex of bottom surface of the lens.7. The ophthalmic surgical laser system of claim 4 , wherein there is a deviation between an end point of the scan line and a point on the spherical surface of the lens.9. The ophthalmic surgical laser system of ...

PHACOFRAGMENTATION AND PHACOASPIRATION TIP

Description of a phacofragmentation and phacoaspiration tip used in cataract surgery prepared for insertion of its distal end into any of the corneal incisions made for the fragmentation and aspiration of the lens. The tip is made up by an internally hollow cannular body that comprises a proximal portion for connection to any type of handle. The main characteristic is that this phaco tip presents a portion from the head portion up to the distal end and a distal end portion that in turn presents a pronounced external conical shape as it progresses towards the free end which length is considerably shorter than the intermediate portion, determining a gradual or staggered reduction in the thickness which, upon reaching the mentioned free end, forms a slimmed edge, polished although not cutting in itself, that ends in a blunt or rounded shape which is defined through an “r” radio. 1111122111111122aabbccbb. Phacofragmentation and phacoaspiration tip for cataract surgery , regardless the cataract hardness , prepared for insertion of its distal end into any of the corneal incisions made for fragmentation and aspiration of an area—whether or not opacified—of the lens. This phaco tip (;′) has been conceived as a cannular body , hollow by virtue of an axial orifice extended throughout the length of the tip , endowed with a proximal portion (; ′) designed for connection with any type of handle. Its main characteristic is that the body of the phaco tip presents , from the head portion to the distal end (;′) an intermediate section () of cannular body with a length (“L”) that spreads through most of the total length of the tip. After that intermediate portion () , the tip presents a distal end portion (; ′) that in turn presents a strong external conicity as it advances towards the free end , and a length (“L”; “L′) a lot shorter than the length of the intermediate portion (; ′) , which determines a reduction of the thickness that when reaching the mentioned free end (;′) forms a ...

Optical surface identification for laser eye surgery

Systems and methods automatically locate optical surfaces of an eye and automatically generate surface models of the optical surfaces. A method includes OCT scanning of an eye. Returning portions of a sample beam are processed to locate a point on the optical surface and first locations on the optical surface within a first radial distance of the point. A first surface model of the optical surface is generated based on the location of the point and the first locations. Returning portions of the sample beam are processed so as to detect second locations on the optical surface beyond the first radial distance and within a second radial distance from the point. A second surface model of the optical surface is generated based on the location of the point on the optical surface and the first and second locations on the optical surface.

CORNEAL TOPOGRAPHY MEASUREMENT AND ALIGNMENT OF CORNEAL SURGICAL PROCEDURES

Methods and apparatus are configures to measure an eye without contacting the eye with a patient interface, and these measurements are used to determine alignment and placement of the incisions when the patient interface contacts the eye. The pre-contact locations of one or more structures of the eye can be used to determine corresponding post-contact locations of the one or more optical structures of the eye when the patient interface has contacted the eye, such that the laser incisions are placed at locations that promote normal vision of the eye. The incisions are positioned in relation to the pre-contact optical structures of the eye, such as an astigmatic treatment axis, nodal points of the eye, and visual axis of the eye. 115-. (canceled)16. An apparatus for treating an eye having a cornea , the apparatus comprising:a topography measurement system for measuring a topography of the cornea of the eye; a patient interface for coupling to and retaining the eye; and', 'a processor comprising a tangible medium configured to determine a position of the eye, wherein the processor comprising the tangible medium is configured to determine one or more of a position or an orientation of the eye in response to the first image and the second image when the patient interface has been paced over the cornea., 'an image capture device for capturing an image of the eye, the image capture device configured to capture the first image of the eye when the cornea is exposed to a gas and a second image of the eye with the patient interface over the cornea;'}17. The apparatus of claim 16 , wherein the topography measurement system comprises one or more of a keratometry system claim 16 , an optical coherence tomography system claim 16 , a Placido disc topography system claim 16 , a Hartmann-Shack topography system claim 16 , a Scheimpflug image topography system claim 16 , a confocal tomography system claim 16 , or a low coherence reflectometry system.18. The apparatus of claim 16 , ...

PATIENT INTERFACE FOR OPHTHALMOLOGIC DIAGNOSTIC AND INTERVENTIONAL PROCEDURES

An ophthalmic system may comprise an imaging device having a field of view oriented toward the eye of the patient; a patient interface housing defining a passage therethrough, having a distal end coupled to one or more seals configured to be directly engaged with one or more surfaces of the eye of the patient, and wherein the proximal end is configured to be coupled to the patient workstation such that at least a portion of the field of view of the imaging device passes through the passage; and two or more registration fiducials coupled to the patient interface housing in a predetermined geometric configuration relative to the patient interface housing within the field of view of the imaging device such that they may be imaged by the imaging device in reference to predetermined geometric markers on the eye of the patient which may also be imaged by the imaging device. 127-. (canceled)28. A method for ophthalmic intervention on an eye of a patient , comprising:a. orienting a field of view of an imaging device toward the eye of the patient;b. coupling a distal end of a patient interface housing to one or more seals configured to be directly engaged with one or more surfaces of the eye of the patient, and coupling a proximal end of the patient interface housing to a patient workstation such that at least a portion of the field of view of the imaging device passes through a passage of the patient housing defined by the proximal and distal ends;c. imaging, within the field of the view of the imaging device, two or more registration fiducials coupled to the patient interface housing in reference to predetermined geometric markers on the eye of the patient, which are also imaged by the imaging device; and 'wherein the two or more registration fiducials are coupled to the patient interface housing in a predetermined geometric configuration relative to the patient interface housing within the field of view of the imaging device.', 'd. processing imaging data generated via ...

LASER APPARATUS FOR TREATMENT OF A CATARACTOUS LENS

An apparatus for aiding the removal of cataracts in which an optical fiber delivers sufficient optical energy of the correct wavelength, pulse duration to achieve controlled non-thermal and non-acoustic dissolution of hard cataract tissue. 1. An apparatus for disruption of cataracts in lens tissue enclosed by at least one of aqueous humour or vitreous humour , the apparatus comprising:a source of energy consisting of pulsed laser radiation, the source being controllable to select a pulsing rate of the pulsed laser radiation;an optical waveguide configured to transmit the pulsed laser radiation from the source to the cataracts in the lens tissue, the optical waveguide being coupleable to the source at a proximal end of the optical waveguide to receive the pulsed laser radiation from the source; a wavelength in the range of about 2700 nm to about 3300 nm, the wavelength being selected to match an absorption peak of at least one component of the lens tissue;', 'wherein the wavelength causes the pulsed laser radiation to produce laser pulses having an energy sufficient to cause, when the laser pulses are absorbed in a volume of the material irradiated by the laser pulses, superheated temperatures above a vaporization point of the at least one component of material contained in the laser irradiated volume; and', 'a pulse duration time in the range of about 100 ps to about 10 ns, the pulse duration time being selected such that each pulse duration time is shorter than a time required for thermal diffusion out of the laser irradiated volume and shorter than a time required for a thermally driven expansion of the laser irradiated volume to avoid shock wave propagation in the lens tissue;, 'the pulsed laser radiation being controlled to exhibit conditions at a distal end of the optical waveguide such that the light intensity which exits the optical waveguide is sufficient to produce microdisruption of the lens tissue by impulsive heat deposition, the conditions ...

ILLUMINATION CHOPPER

The present invention provides an illumination chopper which allows a user to operate on the nucleus of a crystalline lens with a small piece while securing visibility through a chopper which is mounted at one end of an illuminator to form a predetermined angle with the illuminator. 15-. (canceled)6. An illumination chopper comprising:a body that is elongated from a first end to a second end, wherein the body includes a body hole that is formed therein and extends therethrough from the first end to the second end;an optical fiber disposed within the body hole to transmit light to the second end; anda chopper fixedly mounted on a top side of the body at the second end,wherein the chopper includes a first portion that extends away from the top side of the body and a second portion that curves downward from the first portion and away from the top side of the body so that the second portion of the chopper is disposed in front of, and spaced apart from, the second end of the body, andwherein the second portion of the chopper is extended downward substantially below a bottom side of the second end of the body, which is opposite from the top side of the second end of the body.7. The illumination chopper of claim 6 , further comprising:a power supply; anda connector that connects the optical fiber to the power supply.8. The illumination chopper of claim 6 , further comprising:a grip that surrounds at least a portion of exterior surface of the body.9. The illumination chopper of claim 6 , wherein the chopper and the body are integrally formed.10. The illumination chopper of claim 6 , wherein the chopper has a rounded and blunt distal tip. The present invention relates to an illumination chopper, and more particularly to an illumination chopper in which a nucleus of a lens is operated into small pieces while visibility is secured through a chopper mounted on one end of an illuminator to form a predetermined angle with respect to an illuminator.In the medical field, an ...

SURGICAL INSTRUMENT FOR MINIMALLY INVASIVE ASPIRATION OF TISSUE

An apparatus for disruption of cataracts in lens tissue. The apparatus includes a housing; a source of pulsed laser radiation; and an optical waveguide. The optical waveguide is configured to transmit the pulsed laser radiation from the source of pulsed laser radiation, and is coupleable to the source of pulsed laser radiation at a proximal end of the optical waveguide to receive the pulsed laser radiation from the source of pulsed laser radiation. The apparatus also includes a driving mechanism coupled to the optical waveguide for controllably changing the position of the optical waveguide relative to a distal end of the housing. 1. An apparatus for disruption of cataracts in lens tissue comprising:a housing;a source of pulsed laser radiation;an optical waveguide at least partially housed within the housing, the optical waveguide including a flexible optical fiber, the optical waveguide being configured to transmit the pulsed laser radiation for causing disruption of cataracts, the optical waveguide being coupleable to the source of pulsed laser radiation at a proximal end of the optical waveguide to receive the pulsed laser radiation from the source of pulsed laser radiation; anda driving mechanism coupled to the optical waveguide for controllably changing the position of the optical waveguide relative to a distal end of the housing.2. The apparatus of claim 1 , wherein the driving mechanism is controlled by a control system to position the optical fiber as a function of a vacuum pressure and a flow rate of aspiration and irrigation channels of the apparatus.3. The apparatus of claim 1 , wherein the driving mechanism is controlled by a control system to position the optical fiber proportional to an aspiration level of tissue.4. The apparatus of claim 1 , further comprising a sensor configured to sense contact between the optical fiber and tissue.5. The apparatus of claim 1 , further comprising a photo-acoustics sensor to sense a position of the optical fiber.6. ...

METHOD FOR PATTERNED PLASMA-MEDIATED MODIFICATION OF THE CRYSTALLINE LENS

A method of treating a cataractous lens of a patient's eye includes generating a light beam, deflecting the light beam using a scanner to form a treatment pattern, delivering the treatment pattern to the lens of the patient's eye to create a plurality of cuts in the form two or more different incisions patterns within the lens to segment the lens tissue into a plurality of patterned pieces, and mechanically breaking the lens into a plurality of pieces along the cuts. A first incision pattern includes two or more crossing cut incision planes. A second incision pattern includes a plurality of laser incision each extending along a first length between a posterior and an anterior surface of the lens capsule. 13-. (canceled)4. A method of treating a cataractous lens of a patient's eye , comprising:a. generating a light beam;b. deflecting the light beam using a scanner to form a treatment pattern of the light beam; a first incision pattern comprising a plurality of laser incision planes each extending along a first length between a posterior and an anterior surface of the lens capsule, wherein the plurality of the laser incision planes of the first treatment pattern comprise two or more crossing cut incision planes; and', 'a second incision pattern comprising one or more laser incisions, each extending along a first length between a posterior and an anterior surface of the lens capsule; and, "c. delivering the treatment pattern to the lens of the patient's eye to create a plurality of cuts in the lens in the form two or more different incision patterns within the lens to segment the lens tissue into a plurality of patterned pieces, the incision patterns comprising:"}d. mechanically breaking the lens into a plurality of pieces along the cuts.5. The method of claim 4 , wherein the second incision pattern comprises one or more concentric circles.6. The method of claim 5 , wherein the second incision pattern comprises two or more concentric circles.7. The method of claim 4 , ...

METHOD FOR PATTERNED PLASMA-MEDIATED MODIFICATION OF THE CRYSTALLINE LENS

A system for treating a cataractous lens of a patient's eye includes a laser source for generating a light beam, a scanning system for deflecting the light beam to form a treatment pattern of the light beam, and a controller operably coupled to the laser source and scanning system and configured to operate the scanner to form the treatment pattern. The treatment pattern is a plurality of cuts in the form two or more different incision patterns for segmenting the lens tissue into a plurality of patterned pieces. The incision pattern includes: a first incision pattern including two or more crossing cut incision planes; and a second incision pattern comprising one or more laser incision each extending along a first length between a posterior and an anterior surface of the lens capsule. 13-. (canceled)4. A system for treating a cataractous lens of a patient's eye , comprising:a. a laser source for generating a light beam;b. a scanning system for deflecting the light beam to form a treatment pattern of the light beam;c. a controller operably coupled to the laser source and scanning system and configured to operate the scanner to form the treatment pattern comprising a plurality of cuts in the form two or more different incision patterns for segmenting the lens tissue into a plurality of patterned pieces, the incision patterns comprising:a first incision pattern comprising a plurality of laser incision planes each extending along a first length between a posterior and an anterior surface of the lens capsule, wherein the plurality of the laser incision planes of the first treatment pattern comprise two or more crossing cut incision planes; anda second incision pattern comprising one or more laser incisions, each extending along a first length between a posterior and an anterior surface of the lens capsule.5. The system of claim 4 , wherein the second incision pattern comprises one or more concentric circles.6. The system of claim 5 , wherein the second incision pattern ...

SYSTEMS AND METHODS FOR LENTICULAR LASER INCISION

Embodiments of this invention generally relate to ophthalmic laser procedures and, more particularly, to systems and methods for lenticular laser incision. In an embodiment, an ophthalmic surgical laser system comprises a laser delivery system for delivering a pulsed laser beam to a target in a subject's eye, an XY-scan device to deflect the pulsed laser beam, a Z-scan device to modify a depth of a focus of the pulsed laser beam, and a controller configured to form a top lenticular incision and a bottom lenticular incision of a lens in the subject's eye. 120.-. (canceled)21. An ophthalmic surgical laser system comprising:a laser delivery system for delivering a pulsed laser beam to a target in a subject's cornea;an XY-scan device to deflect the pulsed laser beam;a Z-scan device to modify a depth of a focus of the pulsed laser beam; anda controller configured to control the XY-scan device and the Z-scan device to form a concave lens cut comprising a top concave lenticular incision and a bottom concave lenticular incision of a lens in the subject's cornea.22. The ophthalmic surgical laser system of claim 21 , wherein the concave lens cut comprises a spherical surface.23. The ophthalmic surgical laser system of claim 22 , wherein the concave lens cut comprises a cylindrical component or an additional high order component having an order higher than a spherical surface.24. (canceled)25. The ophthalmic surgical laser system of claim 21 , wherein the top concave lenticular incision and the bottom concave lenticular incision are mirror symmetric to each other.26. The ophthalmic surgical laser system of claim 21 , wherein the top lenticular incision and the bottom lenticular incision each comprise a central portion and a peripheral portion.27. The ophthalmic surgical laser system of claim 26 , wherein the peripheral portion tapers.28. The ophthalmic surgical laser system of claim 26 , wherein the peripheral portion is linear or a higher order polynomial.29. The ophthalmic ...

System for performing eye surgery with simultaneous display of graphical information for flap and ablation

The disclosure relates to systems and methods for performing eye surgery in which a single image that simultaneously presents a graphical representation of a planned or actual flap location superimposed with a graphical representation of a planned or actual area of ablation is used.

METHODS AND SYSTEMS FOR PERFORMING A POSTERIOR CAPSULOTOMY AND FOR LASER EYE SURGERY WITH A PENETRATED CORNEA

Method and apparatus for performing a laser-assisted posterior capsulotomy and for performing laser eye surgery on an eye having a penetrated cornea are provided. A method for performing a posterior capsulotomy includes injecting fluid between the lens posterior capsule and the anterior hyaloids membrane to separate the lens posterior capsule and the anterior hyaloids membrane. With the lens posterior capsule separated from the anterior hyaloids membrane, a posterior capsulotomy is performed on the lens posterior capsule by using a laser to incise the lens posterior capsule. 111-. (canceled)12. A method for performing laser eye surgery on an eye having a cornea , the method comprising:coupling an eye having a penetration through the cornea to a laser surgery system by using a liquid interface disposed between the cornea and the laser surgery system; andforming one or more incisions in the eye by using the laser surgery system to transmit light through the liquid interface.13. The method of claim 12 , further comprising forming the penetration through the cornea.14. The method of claim 12 , further comprising inserting an iris expanding device through the penetration in the cornea.15. A system for performing laser-assisted cataract surgery on an eye having an anterior chamber claim 12 , the system comprising:a laser configured to generate a laser beam comprising a plurality of laser pulses;a scanning assembly configured to scan a focal point of the laser beam within the eye to incise eye tissue; anda controller configured to scan the focal point to incise eye tissue so as to account for at least one optical characteristic of an OVD in the anterior chamber to determine one or more control parameters used to control scanning of the focal point.16. The system of claim 15 , further comprising an imaging device configured to generate output in response to imaging the eye claim 15 , wherein the controller is configured to process output from the imaging device to determine ...

SYSTEM AND METHOD FOR MEASURING AND CORRECTING ASTIGMATISM USING LASER GENERATED CORNEAL INCISIONS

A laser system that includes a laser source emitting a laser beam along an axis and a keratometer. The keratometer includes a first set of individual light sources that are equally spaced from one another along a first ring and that direct a first light toward an eye and a second set of individual light sources that are equally spaced from another along a second ring and direct a second light toward the eye, wherein the first ring and said second ring are co-planar and concentric with one another about the axis. The laser system includes a telecentric lens that receives the first light and second light reflected off of the eye and a detector that receives light from the telecentric lens and forms an image. The laser system also includes a processor that receives signals from said detector representative of the image and determines an astigmatism axis of the eye based on the signals. 1. A laser system comprising:a laser source emitting a laser beam along an axis; a first set of individual light sources that are equally spaced from one another along a first ring and that direct a first light toward an eye;', 'a second set of individual light sources that are equally spaced from another along a second ring and direct a second light toward said eye, wherein said first ring and said second ring are co-planar and concentric with one another about said axis;', 'a telecentric lens that receives said first light and second light reflected off of said eye;', 'a detector that receives light from said telecentric lens and forms an image;', 'a processor that receives signals from said detector representative of said image and determines an astigmatism axis of said eye based on said signals., 'a keratometer comprising2. The laser system of claim 1 , wherein said processor determines a corneal K value and orientation of said astigmatism axis based on said signals.3. The laser system of claim 1 , wherein said keratometer is structured so as to reduce systematic errors in use of ...

LASER-ASSISTED THERMAL SEPARATION OF TISSUE

A laser-assisted method for fully or partially separating tissue such as collagen containing tissue is provided. In one embodiment, the method pertains to a capsulorhexis whereby the laser-assisted method is applied to the lens capsule. A light-absorbing agent is added into or onto the tissue. A light beam with a wavelength capable of being absorbed by the light absorbing agent is then directed at the tissue to cause a thermal effect at the tissue following a predetermined closed curve with the goal to avoid irregularity or potential tears in the resulting rim of the tissue. 1. A device for treating tissue in the anterior lens capsule of an eye , the device comprising:a laser device programmed to direct a treatment laser beam along a predetermined closed curve on the anterior lens capsule in a single pass starting at an initial point interior to the closed curve, then along the closed curve, and then to a final point interior to the closed curve.2. The device of claim 1 , wherein the closed curve is circular or elliptical.345. The device of claim 2 , wherein a diameter of the closed curve is about millimeters to about millimeters.4. The device of claim 1 , comprising a laser device programmed to direct a visible laser beam along a visualization pattern on the anterior lens capsule to assist a user in selecting the location and size of the closed curve.5. The device of claim 4 , wherein the visualization pattern differs from the closed curve.6. The device of claim 5 , wherein the visualization pattern comprises discrete dots assisting in focusing the treatment laser beam.7. The device of claim 1 , comprising a laser device programmed to direct a visible laser beam along a visualization pattern on the anterior lens capsule to assist a user in selecting the location and size of the closed curve claim 1 , wherein:the closed curve is circular or elliptical; andthe visualization pattern differs from the closed curve.8. The device of claim 7 , wherein the visualization ...

Short pulse laser with adjustable pulse length

Embodiments of this invention relate to a system and method for performing laser ophthalmic surgery. The surgical laser system configured to deliver a laser pulse to a patient's eye comprises a laser engine that includes a compressor configured to compress laser light energy received, the compressor comprising a dispersion or spectrum altering component provided on a computer controlled stage connected to a computing device. A user providing an indication of a desired pulse width received by the computing device causes the computing device to reposition the stage and the component provided thereon, resulting in a different pulse length being transmitted by the laser engine.

SYSTEMS AND METHODS FOR ENHANCED OCCLUSION REMOVAL DURING OPHTHALMIC SURGERY

A method and apparatus for performing a surgical procedure is provided. The surgical procedure may be a phacoemulsification procedure but other procedures may employ the techniques disclosed. The design includes sensing, within the surgical site, for a material change in fluid flow relative to a predetermined threshold. Upon sensing the fluid flow materially differs from the predetermined threshold, the design temporarily increases aspiration vacuum pressure to the surgical site above a predetermined upper threshold toward a maximum vacuum level. The design applies electrically generated disruptive energy, including but not limited to laser and/or relatively low power ultrasonic energy, to the surgical site from a first point in time measured from when aspiration vacuum pressure is above the predetermined upper threshold to a second point in time where pressure falls below a predetermined lower threshold. 1. A method for performing a surgical procedure , comprising:monitoring fluid flow for fluid flowing through a surgical site;sensing for a change in fluid flow pressure relative to a predetermined threshold, indicating presence of an occlusion within the surgical site;upon sensing the fluid flow has materially changed from the predetermined threshold, temporarily increasing aspiration vacuum pressure above a predetermined upper threshold toward a maximum vacuum level; andenabling application of electrically generated disruptive energy to the surgical site from a first point in time measured from when aspiration vacuum pressure is approximately at the maximum vacuum level to a second point in time where pressure falls below a predetermined lower threshold.2. The method of claim 1 , further comprising applying ultrasonic energy to the surgical site after said applying.3. The method of claim 1 , wherein the electrically generated disruptive energy comprises laser energy.4. The method of claim 1 , wherein the electrically generated disruptive energy comprises a ...

SYSTEM AND METHOD FOR IMPROVING THE ACCOMODATIVE AMPLITUDE AND INCREASING THE REFRACTIVE POWER OF THE HUMAN LENS WITH A LASER

A system and method for increasing the amplitude of accommodation and/or changing the refractive power of lens material of a natural crystalline lens is provided. Generally, there is provided methods and systems for delivering a laser beam to a lens of an eye in a plurality of patterns results in the increased accommodative amplitude and/or refractive power of the lens. There is further provided a system and method of treating presbyopia by increasing both the flexibility of the human lens and the depth of field of the eye. 1. A method for delivering a laser beam to a lens of an eye in a plurality of patterns comprising:providing a laser;providing an optical path for directing a laser beam from the laser to the lens of the eye;directing the laser beam in a first pattern on a first portion of the lens of the eye;the first pattern generally following the shape of the outer surface of the lens of the eye;directing the laser beam in a second pattern on a second portion of the lens of the eye;the second pattern having a pattern to cover a specific volume of the second portion of the lens of the eye;the relationship of the first pattern to the second pattern being such that the first pattern is positioned within the lens closer to the lens outer surface than the second pattern; and,both the first and second patterns positioned within the lens of the eye such that they avoid the central portion of the lens of the eye.2. The method of claim 1 , wherein the second pattern is cubic.3. The method of claim 1 , wherein the first shot pattern comprises a plurality of nested shells.4. The method of claim 1 , wherein the first shot pattern comprises a plurality of nested shells that follows the anterior surface of the lens of the eye.5. The method of claim 1 , wherein the first shot pattern comprises a plurality of nested shells that follows the posterior surface of the lens of the eye.6. The method of claim 1 , wherein the first shot pattern comprises a plurality of nested shells ...

Dual lumen surgical hand-piece with ultrasonic knife

A surgical hand piece has a solid surgical knife connected to a source of ultrasonic energy. Two or more rigid plastic irrigation and aspiration tubes are provided alongside the knife and they may be supported with respect to the knife by tube holders fastened to the hand piece housing for the source of ultrasonic energy. The rigid plastic tubes may be connected toward their distal ends by a support in the form of bands about the tubes and knife, a sleeve about the tubes and knife or a sleeve about the knife with the tubes supported on the external surface thereof.

Systems & Methods for Combined Femto-Phaco Cataract Surgery

Devices to perform femtolaser ablation and phacoemulsification are physically and/or operationally combined. In some embodiments the femtolaser ablation and phacoemulsification are housed together, and in other embodiments they are housed separately, but operated through a common display screen. At least some software can be shared by the femtolaser ablation and phacoemulsification functionalities. A non-transitory computer-readable memory can provide data that can be used to operate each of at least one femtolaser ablation functionality and at least one phacoemulsification functionality. 1. A method of removing a cataract from an eye , comprising:providing a single GUI having submenus for both phacoemulsification and femto laser procedures; andusing at least one of a computer touchscreen, dedicated buttons, a foot pedal, and voice interaction to allow a surgeon to combine in multiple different ways, the phacoemulsification and femto laser procedures accessed by the submenus.2. The method of claim 1 , wherein the phacoemulsification procedures include diathermy claim 1 , irrigation claim 1 , sculpt claim 1 , flop and chop claim 1 , vit claim 1 , and visco.3. The method of claim 1 , wherein the femto laser procedures include scan claim 1 , image process claim 1 , limbus centration claim 1 , primary incision claim 1 , secondary incision claim 1 , capsule range claim 1 , and laser capsulotomy.4. The method of claim 1 , further including a database having data that describes a main menu and the submenu for both the phacoemulsification and the femto laser procedures. This application claims priority to U.S. Ser. No. 14/666,908, filed Mar. 24, 2015, which claims priority to U.S. Ser. No. 13/648,196, filed Oct. 9, 2012, which claims priority to U.S. Provisional Application No. 61/543,930, filed Oct. 6, 2011, each of which is incorporated herein by reference in its entirety.The field of the invention is cataract surgery.Modern cataract surgery is commonly performed using ...

OPTICAL IMAGING AND MEASUREMENT SYSTEMS AND METHODS FOR CATARACT SURGERY AND TREATMENT PLANNING

An optical measurement system and apparatus for carrying out cataract diagnostics in an eye of a patient includes a Corneal Topography Subsystem, a wavefront aberrometer subsystem, and an eye structure imaging subsystem, wherein the subsystems have a shared optical axis, and each subsystem is operatively coupled to the others via a controller. The eye structure imaging subsystem is preferably a fourierdomain optical coherence tomographer, and more preferably, a swept source OCT. 116-. (canceled)17. A system for selecting an intraocular lens (IOL) for implantation , comprising:a memory operable to store data acquired from each of the Corneal Topography Subsystem, the wavefront sensor subsystem and the Optical Coherence Tomography subsystem, wherein the stored data includes a plurality of ocular biometry information, anterior corneal surface information, posterior corneal surface information, anterior lens surface information, and posterior lens surface information, lens tilt information, lens thickness and lens position information;the memory further operable to store intraocular lens (“IOL”) model data for a plurality of IOL models, IOL model having associated with it a plurality of predetermined parameters selected from the group consisting of dioptic power, anterior and posterior radius, IOL thickness, refractive index and dispersion, asphericity, toricity, echelette features, haptic angulation, and lens filter; anda processor coupled to the memory, the processor deriving the treatment of the eye of the patient applying, for each of the plurality of identified IOL Model, to:(1) predict a position of one of the identified IOL Models when implanted in the subject eye, based on the plurality of characteristics;(2) simulate the subject eye based on the plurality of IOL predetermined parameters and the predicted IOL position;(3) perform ray tracing and an IOL spherical equivalent (SE) and cylinder (C) power calculation, as well as determine the optimum IOL orientation ...

Technique for performing ophthalmic measurements on an eye

A device for performing ophthalmic measurements on an eye is presented. The device comprises a plurality of first light sources each configured to emit light towards a cornea of the eye and a plurality of first optical detectors each configured to generate a two-dimensional image of a plurality of light spots each resulting from light emitted by one of the plurality of first light sources and reflected by the cornea towards the corresponding first optical detector. The device further comprises a controller configured to determine topographic features of the cornea and a position of the eye with respect to the device by performing raytracing on a modelled optical configuration and by comparing results of the raytracing with positions of the plurality of first light sources and/or with positions of the light spots in the two-dimensional images. Further, a method for performing ophthalmic measurements on an eye is presented.

OPHTHALMOLOGICAL LASER THERAPY DEVICE

An ophthalmological laser therapy device including a laser system, an x-y scanner, collecting optics and a z-scanner. The invention also relates to a method for processing a tissue of an eye by a therapeutic laser beam of an ophthalmological laser therapy device. The invention provides an ophthalmological laser therapy device and a corresponding method which permit, with minimal engineering complexity, a very quick positioning of the laser spot in a large volume region, in particular in a large x-y region perpendicular to the optical axis. The problem is also solved by a method for processing a tissue of the eye or a material located in an eye using an ophthalmological laser therapy device, wherein each sub-section of the tissue of the eye is processed using a corresponding positioning or the device for the adjustable redirecting of the laser beam in an image field of the collection optics. 116-. (canceled)17. An ophthalmological laser therapy device having an optical axis that includes a laser system that generates a therapy laser beam and , in a beam path of the therapy laser beam , comprises:an x-y scanning unit configured to deflect the therapy laser beam perpendicular to the optical axis;a collecting optics, comprising one or more lens elements, and having an axis of symmetry, which is identical to the optical axis, configured for mapping the therapy laser beam in an image field;a z scanning device that shifts the focal point of the therapy laser beam in a z direction along the optical axis; andan adjustable laser beam deflection device, which is disposed in the beam path of the therapy laser beam downstream of the x-y scanning unit, the z a scanning device and the collecting optics.18. The ophthalmological laser therapy device according to claim 17 , in which the adjustable laser beam deflection device comprises a partial or fully reflective surface and two axes that are perpendicular to one another claim 17 , wherein the partial or fully reflective surface ...

System for fragmenting an eye lens nucleus

A system for fragmenting an eye lens nucleus has a first laser radiation source configured to irradiate the eye lens nucleus with first radiation suitable for Brillouin spectroscopy; an apparatus for performing Brillouin spectroscopy with radiation scattered back from the eye lens nucleus in order to acquire Brillouin scattering measured data; a processing unit in or from which correlations between Brillouin scattering measured data and parameters of a second radiation suitable for fragmenting the eye lens nucleus are stored or derived; and a second laser radiation source having radiation guiding means configured to irradiate the eye lens nucleus with the second radiation with the parameters correlated with the Brillouin scattering measured data of the irradiated eye lens nucleus in order to fragment the eye lens nucleus. 1. A system for fragmenting an eye lens nucleus , comprising:a first laser radiation source, configured to irradiate the eye lens nucleus with first radiation suitable for Brillouin spectroscopy;an apparatus for performing Brillouin spectroscopy with radiation scattered back from the eye lens nucleus in order to acquire Brillouin scattering measured data;a processing unit in or from which correlations between Brillouin scattering measured data and parameters of a second radiation suitable for fragmenting the eye lens nucleus are contained or derived; anda second laser radiation source having radiation guiding means, configured to irradiate the eye lens nucleus with the second radiation with the parameters correlated with the Brillouin scattering measured data of the irradiated eye lens nucleus, in order to fragment the eye lens nucleus.2. The system as claimed in claim 1 , wherein the second radiation source is a femtosecond laser.3. The system as claimed in claim 1 , wherein the parameters of the second radiation are in particular one or more of the following: pulse length claim 1 , pulse frequency claim 1 , pulse energy claim 1 , pulse energy ...

SYSTEM AND METHOD FOR FEMTO-FRAGMENTATION OF A CRYSTALLINE LENS

A system and method for performing a femto-fragmentation procedure on tissue in the crystalline lens of an eye requires that a laser beam be directed and focused to a focal point in the crystalline lens of the eye. The focal point is then guided, relative to an axis defined by the eye, to create a segment cluster by causing Laser Induced Optical Breakdown (LIOB) of tissue in the crystalline lens. The resultant segment cluster includes a plurality of contiguous, elongated segments in the crystalline lens that are individually tapered from an anterior end-area to a posterior end-area, Specifically, this is done to facilitate the removal of individual segments from the segment cluster in the crystalline lens. 1. A system for performing a femto-fragmentation lensectomy procedure on tissue in the crystalline lens of an eye which comprises:a laser unit for generating a laser beam;a computer connected with the laser unit for directing the laser beam along a beam path to a focal point in the crystalline lens of the eye wherein the lens defines an axis, and the beam path and the focal point are established relative to the axis defined by the lens;{'sub': a', 'p', 'a', 'p, 'a controller connected with the computer for moving the focal point relative to the axis defined by the lens, to cause a Laser Induced Optical Breakdown (LIOB) of tissue in the crystalline lens at the focal point to create a plurality of contiguous elongated segments in the crystalline lens, wherein each segment is aligned axially in the lens and individually extends between a respective anterior end-area characterized by a dimension “s”, and a respective posterior end-area characterized by a corresponding dimension “s”, and wherein each segment is tapered from the anterior end-area toward the posterior end-area (“s⇄>s”); and'}an aspirator for removing the created segments of the crystalline lens from the eye.2. The system recited in further comprising a computer-generated template pattern claim 1 , ...

Focusing light through cataractous lenses

A device for irradiating ocular tissue, including a source of electromagnetic radiation; a beacon scattering the electromagnetic radiation transmitted through an opacity in ocular tissue so as to form scattered electromagnetic radiation; a modulator transmitting output electromagnetic radiation having a field determined from a recording of the scattered electromagnetic radiation transmitted through the opacity, so that the output electromagnetic radiation is transmitted through the opacity to the beacon. The device can be used to treat amblyopia or correct optical aberrations in corneal or lens tissue.

CORNEAL TOPOGRAPHY MEASUREMENTS AND FIDUCIAL MARK INCISIONS IN LASER SURGICAL PROCEDURES

A method of cataract surgery in an eye of a patient includes identifying a feature selected from the group consisting of an axis, a meridian, and a structure of an eye by corneal topography and forming fiducial mark incisions with a laser beam along the axis, meridian or structure in the cornea outside the optical zone of the eye. A laser cataract surgery system a laser source, a topography measurement system, an integrated optical subsystem, and a processor in operable communication with the laser source, corneal topography subsystem and the integrated optical system. The processor includes a tangible non-volatile computer readable medium comprising instructions to determine one of an axis, meridian and structure of an eye of the patient based on the measurements received from topography measurement system, and direct the treatment beam so as to incise radial fiducial mark incisions. 13.-. (canceled)4. The method of claim 20 , wherein the fiducial mark incisions are intrastromal corneal incisions.5. (canceled)6. The method of claim 20 , wherein a length of each fiducial mark incision is less than 1.5 mm.7. The method of claim 20 , wherein the step of measuring topography or tomography of the eye comprises measuring a corneal topography with one or more of a keratometry system claim 20 , an optical coherence tomography system claim 20 , a Placido disc topography system claim 20 , a Hartmann-Shack topography system claim 20 , a Scheimpflug image topography system claim 20 , a confocal tomography system claim 20 , or a low coherence reflectometry system819.-. (canceled)20. A method of laser-assisted cataract surgery in an eye of a patient claim 20 , comprising:measuring a topography or tomography of the eye without a patient interface contacting the eye;placing a patient interface in contact with the eye;determining locations and incision profiles of one or more fiducial marker incisions with the patient interface contacting the eye based on the topography or ...

Method and apparatus for laser assisted cataract surgery

Devices and methods for use in laser-assisted surgery, particularly cataract surgery. Specifically, the use of an optical fiber with a proximal and distal end, wherein the distal end has a non-orthogonal angle with the diameter of the optical fiber, to create an off-axis steam bubble for cutting and removing tissue in an operative region. Where the optical fiber is bent, rotating the fiber creates a circular cutting path for the steam bubble, allowing access to tissues that may normally be blocked by obstructions and obstacles.

Method and Apparatus for Creating Ocular Surgical and Relaxing Incisions

A system and method of treating target tissue in a patient's eye, which includes generating a light beam, deflecting the light beam using a scanner to form first and second treatment patterns, delivering the first treatment pattern to the target tissue to form an incision that provides access to an eye chamber of the patient's eye, and delivering the second treatment pattern to the target tissue to form a relaxation incision along or near limbus tissue or along corneal tissue anterior to the limbus tissue of the patient's eye to reduce astigmatism thereof. 115.-. (canceled)16. A method for treating target tissue in a patient's eye , comprising:by an ultrafast laser source, generating a laser beam having a plurality of laser pulses;by an Optical Coherence Tomography (OCT) device, generating signals representing an image of a cornea and limbus of the eye;by a controller, determining a treatment pattern based upon the signals from the OCT device; andby a scanner under control of the controller, scanning a focal point of the laser beam according to the treatment pattern to form a cataract incision in the cornea that provides access for lens removal instrumentation to a crystalline lens of the patient's eye and one or more relaxation incisions in the cornea or limbus, wherein the cataract incision has an arcuate extent of less than 360 degrees in a top view, wherein the cataract incision includes a bevel shape in a cross-sectional view, the bevel shape including a first segment and a second segment which intersect each other at an angle, the cataract incision being entirely located in the cornea and intersecting both an anterior surface and a posterior surface of the cornea.17. The method of claim 16 , wherein at least one of the one or more relaxation incisions only partially extends through the target tissue.18. The method of claim 16 , further comprising: by a profilometer claim 16 , measuring a surface profile of a surface of the cornea of the patient's eye claim 16 ...

APPARATUS FOR TREATING A TISSUE, INCLUDING ORIGINAL OPTICAL SYSTEMS OF DEFLECTION AND FOCUSING OF A LASER BEAM

The invention relates to a treatment apparatus including a device for conditioning a LASER beam generated by a femtosecond laser, the conditioning device comprising an optical sweeping scanner () and a focusing optical system () downstream of the optical sweeping scanner (), remarkable in that a pivoting mirror () of the optical sweeping scanner () is positioned between an object focal plane Fof the focusing optical system () and the focusing system (). 1. An apparatus for treating a human or animal tissue , said apparatus including a device for conditioning a LASER beam generated by a femtosecond laser , the conditioning device being disposed downstream of the femtosecond laser and comprising an optical sweeping scanner and a focusing optical system downstream of the optical sweeping scanner:The optical sweeping scanner including:at least one optical mirror pivoting around at least one axis to deflect the LASER beam,The focusing optical system includinga concentrator module to focus the LASER beam in a focusing plane,{'sub': 'object', 'wherein said at least one pivoting optical mirror of the optical sweeping scanner is positioned between an object focal plane Fof the focusing optical system and the focusing system.'}2. The treatment apparatus of claim 1 , wherein said at least one pivoting optical mirror of the optical sweeping scanner extends over the optical path of the LASER beam between:{'sub': 'object', 'the object focal plane Fof an equivalent lens corresponding to the focusing optical system, and'}an input orifice of the focusing optical system.3. The treatment apparatus according to claim 2 , wherein an entrance pupil of the concentrator module is positioned in the plane of the equivalent lens corresponding to the focusing optical system.4. The treatment apparatus according to claim 2 , wherein the focusing optical system includes an optical relay device upstream of the concentrator module.5. The treatment apparatus according to claim 4 , wherein the ...

Method and Apparatus for Patterned Plasma-Mediated Laser Trephination of the Lens Capsule and Three Dimensional Phaco-Segmentation

System and method for making incisions in eye tissue at different depths. The system and method focuses light, possibly in a pattern, at various focal points which are at various depths within the eye tissue. A segmented lens can be used to create multiple focal points simultaneously. Optimal incisions can be achieved by sequentially or simultaneously focusing lights at different depths, creating an expanded column of plasma, and creating a beam with an elongated waist. 120-. (canceled)21. A laser surgical system for making incisions in ocular tissues during a cataract surgical procedure , the system comprising:a laser system comprising a scanning assembly, a laser operable to generate a laser beam configured to incise ocular tissue;an imaging device configured to acquire image data from locations distributed throughout a volume of a crystalline lens of the patient and construct one or more images of the patient's eye tissues from the image data, wherein the one or more images comprise an image of at least a portion of the crystalline lens; and ["operate the imaging device to generate image data for the patient's crystalline lens;", 'process the image data to determine an anterior capsule incision scanning pattern for scanning a focal zone of the laser beam for performing an anterior capsule incision, wherein the anterior capsule incision is not in the form of a circle; and', 'operate the laser and the scanning assembly to scan the focal zone of the laser beam in the anterior capsule incision scanning pattern to perform the anterior capsule incision, wherein positioning of the focal zone is guided by the control system based on the image data., 'a control system operably coupled to the laser system and configured to22. The system of claim 21 , wherein the anterior capsule incision is in the fruit of a flap.23. The system of claim 22 , wherein the flap is hemi-circular.24. The system of claim 22 , wherein the flap is curvilinear.25. The system of claim 22 , wherein ...

Ophthalmic Laser System

An ophthalmic laser system generating a first beam at a wavelength suitable for performing selective laser trabeculoplasty and selectively generating a second beam at a wavelength suitable for performing secondary cataract surgery procedures. The laser system is able to select between directing the first beam or the second beam to the eye of a patient. The first beam is suitably generated at 1064 nm from a Nd:YAG laser and the second beam is frequency doubled to 532 nm in a KTP doubling crystal. 115-. (canceled)16. A method of treating secondary cataract or glaucoma in a patient using an ophthalmic laser system comprising:a laser module comprising a Q-switched laser which operates to produce pulsed radiation at a first wavelength,a first beam path adapted to treating secondary cataract incorporating an attenuator, beam shaping optics, and directing optics for directing the beam of short pulses at the first wavelength to an eye of a patient with secondary cataract;a second beam path adapted to treating glaucoma by selective laser trabeculoplasty incorporating a frequency conversion module that converts the pulsed beam at the first wavelength to a pulsed beam at a second wavelength, an attenuator, and directing optics for directing the pulsed beam at the second wavelength to an eye of a patient with glaucoma; andbeam steering optics for selectively deflecting the beam of short pulses at the first wavelength into the second beam path, the beam steering optics being operable between a first position in which the pulsed beam at the first wavelength is received by and follows the first beam path and a second position in which the pulsed beam at the first wavelength is deflected to, received by and follows the second beam path;the method comprising:operating the beam steering optics to select the first or second beam path depending on whether the patient has secondary cataract or glaucoma; and operating the laser system through the selected beam path to treat the patient. ...

ADJUSTABLE OPHTHALMIC DEVICES, SYSTEMS, AND METHODS OF ADJUSTMENT

Adjustable ophthalmic devices, systems including adjustable ophthalmic devices, and methods of adjusting an optical power of an ophthalmic device are described. In an embodiment, the ophthalmic devices include a body including an inner surface defining an aperture through the body, wherein the inner surface includes a feature selected from a sharp surface feature, a layer on at least a portion of the inner surface having a surface energy different than a surface energy of the inner surface, and a combination thereof. In an embodiment, the ophthalmic device includes two immiscible liquids disposed in the aperture defining a meniscus, wherein a curvature of the meniscus is defined at least in part by a position of an interface between the layer and the inner surface, a position of the sharp surface feature, or combination thereof. 1. An ophthalmic device comprising:a body including an inner surface defining an aperture through the body, wherein the inner surface includes a feature selected from a sharp surface feature, a layer on at least a portion of the inner surface having a surface energy different than a surface energy of the inner surface, and a combination thereof; andtwo immiscible liquids disposed in the aperture defining a meniscus, wherein a curvature of the meniscus is defined at least in part by a position of an interface between the layer and the inner surface, a position of the sharp surface feature, or combination thereof.2. The ophthalmic device of claim 1 , wherein the ophthalmic device has a base optical power claim 1 , and wherein the layer is reconfigurable to adjust the base optical power.3. The ophthalmic device of claim 1 , wherein the layer is configured to ablate upon illumination with laser light.4. The ophthalmic device of claim 1 , wherein the layer includes a phase-change material shaped to expose a portion of the inner surface upon transitioning from a first phase to a second phase.5. The ophthalmic device of claim 1 , further comprising ...

ILLUMINATION CHOPPER

The present invention provides an illumination chopper which allows a user to operate on the nucleus of a crystalline lens with a small piece while securing visibility through a chopper which is mounted at one end of an illuminator to form a predetermined angle with the illuminator. 1. An illumination chopper comprising:an illuminator that emits light;a chopper that is mounted on one end of the illuminator to form a predetermined angle with respect to the illuminator; anda grip part that surrounds the illuminator,wherein visibility is changed according to the predetermined angle formed by the illuminator and the chopper.2. The illumination chopper according to claim 1 , wherein the illuminator comprises:a body having a body hole through which light passes; andan optical fiber that is situated inside the body,wherein the optical fiber emits the light towards one end of the body.3. The illumination chopper according to claim 2 , wherein the illumination chopper comprises:a power supply for supplying electric power to the optical fiber; anda power connection part that electrically connects the optical fiber and the power supply.4. The illumination chopper according to claim 1 , wherein claim 1 , when the predetermined angle is an acute angle claim 1 , the light emitted from the illuminator illuminates a front side of the illuminator.5. The illumination chopper according to claim 1 , wherein claim 1 , when the predetermined angle is an obtuse angle claim 1 , the light emitted from the illuminator is refracted by the chopper to illuminate a periphery of the chopper. The present invention relates to an illumination chopper, and more particularly to an illumination chopper in which a nucleus of a lens is operated into small pieces while visibility is secured through a chopper mounted on one end of an illuminator to form a predetermined angle with respect to an illuminator.In the medical field, an illuminator is generally mainly used when retinal surgery is conducted, and a ...

Method and Apparatus for Patterned Plasma-Mediated Laser Trephination of the Lens Capsule and Three Dimensional Phaco-Segmentation

System and method for making incisions in eye tissue at different depths. The system and method focuses light, possibly in a pattern, at various focal points which are at various depths within the eye tissue. A segmented lens can be used to create multiple focal points simultaneously. Optimal incisions can be achieved by sequentially or simultaneously focusing lights at different depths, creating an expanded column of plasma, and creating a beam with an elongated waist. 124-. (canceled)25. A laser surgical system for making incisions in ocular tissue during a cataract surgical procedure , the system comprising:a laser system comprising a scanning assembly, a laser operable to generate a laser beam configured to incise ocular tissue, and an imaging device; and ["operate the imaging device to generate image data for ocular tissue of a patient's eye, the image data including lens interior image data for an interior portion of the lens of the patient's eye;", 'process the image data to determine an anterior capsulotomy scanning pattern for scanning a focal zone of the laser beam for performing an anterior capsulotomy; and', 'wherein positioning of the focal zone is guided by the control system based on the image data.', 'operate the laser and the scanning assembly to scan the focal zone of the laser beam in the anterior capsulotomy scanning pattern to perform the anterior capsulotomy,'}], 'a control system operably coupled to the laser system and configured to26. The system of claim 25 , wherein the laser beam has a wavelength between 800 nm and 1 claim 25 ,100 nm.27. The system of claim 25 , wherein the laser beam comprises pulses having pulse energy between 1.0 micro joules and 1 claim 25 ,000 micro joules.28. The system of claim 27 , wherein the laser beam comprises pulses having pulse energy between 1.0 micro joules and 30 micro joules.29. The system of claim 25 , wherein the laser beam comprises pulses having a pulse duration between about 100 femtoseconds and ...

METHOD AND APPARATUS FOR PATTERNED PLASMA-MEDIATED LASER TREPHINATION OF THE LENS CAPSULE AND THREE DIMENSIONAL PHACO-SEGMENTATION

System and method for making incisions in eye tissue at different depths. The system and method focuses light, possibly in a pattern, at various focal points which are at various depths within the eye tissue. A segmented lens can be used to create multiple focal points simultaneously. Optimal incisions can be achieved by sequentially or simultaneously focusing lights at different depths, creating an expanded column of plasma, and creating a beam with an elongated waist. 124-. (canceled)25. A laser surgical system for making incisions in ocular tissue during a cataract surgical procedure , the system comprising:a laser operable to generate a laser beam for incising ocular tissue;a scanning assembly operable to direct a focal zone of the laser beam to locations within a patient's eye;an optical coherence tomography (OCT) imaging device; and ["operate the OCT imaging device to generate image data for ocular tissue of the patient, the image data including lens interior image data for an interior portion of the lens of the patient's eye;", 'process the image data to determine an anterior capsulotomy scanning pattern for scanning the focal zone of the laser beam for performing an anterior capsulotomy; and', 'operate the laser and the scanning assembly to scan the focal zone of the laser beam in the anterior capsulotomy scanning pattern so as to perform the anterior capsulotomy, wherein positioning of the focal zone is guided by the control system based on the image data., 'a control system operably coupled to the laser, the scanning assembly, and the OCT imaging device; the control system being configured to26. The system of claim 25 , wherein the laser beam has a wavelength between 800 nm and 1 claim 25 ,100 nm claim 25 , wherein the laser beam comprises pulses having pulse energy between 1.0 micro joules and 30 micro joules claim 25 , wherein the laser beam comprises pulses having a pulse duration between about 100 femtoseconds and about 10 picoseconds claim 25 , and ...

METHOD AND SYSTEM FOR EYE MEASUREMENTS AND CATARACT SURGERY PLANNING USING VECTOR FUNCTION DERIVED FROM PRIOR SURGERIES

Improved devices, systems, and methods for planning cataract surgery on an eye of a patient incorporate results of prior corrective surgeries into a planned cataract surgery of a particular patient by driving an effective surgery vector function based on data from the prior corrective surgeries. The exemplary effective surgery vector employs an influence matrix which may allow improved refractive corrections to be generated so as to increase the overall efficacy of a cataract surgery by specifying one or more parameters of an intraocular lens (IOL) to be implanted during the cataract surgery. 1. A system for planning a cataract surgery on an eye of a patient , the system comprising:an input for receiving pre-surgery high-order aberrations of the eye of the patient;a processor coupled to the input, the processor deriving one or more parameters of an intraocular lens (IOL) to be implanted into the eye of the patient in response to the high-order aberrations of the eye of the patient by applying an effective surgery vector function, wherein the effective surgery vector function is derived from, for each of a plurality of prior corrective surgeries, a correlation between a pre-surgery vector characterizing high-order aberrations of the associated eye before surgery, and a post-surgery vector characterizing post-surgery high-order aberrations of the associated eye; andan output coupled to the processor so as to transmit the one or more parameters of the IOL to be implanted into the eye of the patient.2. The system of claim 1 , wherein the processor comprises tangible media embodying machine readable instructions for implementing the derivation of the one or more parameters of the IOL to be implanted into the eye of the patient.3. The system of claim 1 , wherein the processor is configured to generate an input vector for the eye of the patient in response to a target refraction of the eye of the patient to be induced by the cataract surgery by determining an intended ...

FEMTOSECOND LASER OPHTHALMIC SURGERY DOCKING CONE IMAGE PROCESSING AND PRESENTATION

The present disclosure provides a system for femtosecond ophthalmic surgery in which the position of a suction cone in the z direction is measured via the measuring device to generate data that is processed and used to create a pictorial representation, a histogram, or other graph based on the data. The pictorial representation may include at least one threshold marker. The disclosure further provides a method of performing docking in femtosecond laser ophthalmic surgery including measuring the position of a suction cone with a measuring device, and transmitting data regarding the position to a processor which processes the data and uses it to create a pictorial representation, histogram, or other graph that is presented on a display. 1. A system for femtosecond laser ophthalmic surgery comprising:a suction cone;a control device operable to move the suction cone up and down in a z direction;a measuring device operable to measure the position of the suction cone in the z direction and generate data relating to the measured position;a processor operable to process data relating to the measured position of the suction cone to create a pictorial representation, histogram, or other graph based on the position of the suction cone in the z direction;a display operable to receive the pictorial representation, histogram, or other graph when transmitted from the processor and to present the pictorial representation, histogram, or other graph during femtosecond laser ophthalmic surgery and;wherein the display presents a pictorial representation comprising a threshold marker corresponding to at least one threshold position of the suction cone in the z direction.2. The system of claim 1 , wherein the measuring device comprises a light barrier claim 1 , a switch claim 1 , a distance-measuring device claim 1 , or a combination thereof.3. The system of claim 1 , wherein the display comprises a screen claim 1 , a head-up display claim 1 , or a combination thereof.4. The system of ...

Apparatus for creating incisions to improve intraocular lens placement

A system and method for inserting an intraocular lens in a patient's eye includes a light source for generating a light beam, a scanner for deflecting the light beam to form an enclosed treatment pattern that includes a registration feature, and a delivery system for delivering the enclosed treatment pattern to target tissue in the patient's eye to form an enclosed incision therein having the registration feature. An intraocular lens is placed within the enclosed incision, wherein the intraocular lens has a registration feature that engages with the registration feature of the enclosed incision. Alternately, the scanner can make a separate registration incision for a post that is connected to the intraocular lens via a strut member.

Ophthalmic Laser System

An ophthalmic laser system generating a first beam at a wavelength suitable for performing selective laser trabeculoplasty and selectively generating a second beam at a wavelength suitable for performing secondary cataract surgery procedures. The laser system is able to select between directing the first beam or the second beam to the eye of a patient. The first beam is suitably generated at 1064 nm from a Nd:YAG laser and the second beam is frequency doubled to 532 nm in a KTP doubling crystal. 1. An ophthalmic laser system , comprising: a laser module adapted to produce a beam of short pulses of radiation with high energy density at a first wavelength; a first beam path incorporating an attenuator , beam shaping optics , and means for directing the beam at said first wavelength to an eye of a patient; a second beam path incorporating a frequency conversion module that converts the beam at the first wavelength to a beam at a second wavelength , an attenuator , and means for directing the beam at said second wavelength to the eye of the patient; and extracavity deflecting means for selectively deflecting the beam at said first wavelength into the second beam path , said extracavity deflecting means being operable between a first position in which the beam at said first wavelength follows the first beam path and a second position in which the beam at said first wavelength is deflected to said second beam path.2. The ophthalmic laser system of claim 1 , wherein the extracavity deflecting means comprises a half wave plate and polarizer.3. The ophthalmic laser system of claim 1 , wherein said half wave plate is rotatable by motorized means.4. The ophthalmic laser system of claim 1 , wherein the half wave plate is remotely operable.5. The ophthalmic laser system of claim 1 , further comprising means for remotely selecting between said first beam path and said second beam path.6. The ophthalmic laser system of claim 1 , wherein the laser module is a flashlamp pumped claim ...

VACUUM LOSS DETECTION DURING LASER EYE SURGERY

A laser eye surgery system that has a patient interface between the eye and the laser system relying on suction to hold the interface to the eye. The patient interface may be a liquid-filled interface, with liquid used as a transmission medium for the laser. During a laser procedure various inputs are monitored to detect a leak. The inputs may include a video feed of the eye looking for air bubbles in the liquid medium, the force sensors on the patient interface that detect patient movement, and vacuum sensors directly sensing the level of suction between the patient interface and the eye. The method may include combining three monitoring activities with a Bayesian algorithm that computes the probabilities of an imminent vacuum loss event. 110-. (canceled)11. A method of detecting loss of vacuum in a patient interface of a laser eye surgery system having control electronics , comprising:docking a patient's eye to a suction ring of a patient interface which is aligned with an optical axis of the laser eye surgery system;supplying a sterile solution to a space within the patient interface between the patient's eye and a posterior surface of a transmissive lens held in the patient interface to form a transmissive chamber through which the laser eye surgery system may operate on the patient's eye;monitoring a video feed of the laser eye surgery through the patient interface;monitoring a physical force sensor that detects movement of the patient's eye relative to the patient interface; andmonitoring a vacuum sensor connected to a vacuum chamber of the suction ring;aggregating data from all of the steps of monitoring with the control electronics and halting or delaying the laser eye surgery if at least two of the inputs is consistent with a threshold likelihood of a significant vacuum leak.12. The method of claim 11 , wherein the step of aggregating is done using a Bayesian algorithm.13. The method of claim 11 , including monitoring the video feed of the laser eye surgery ...

Device for laser cutting within transparent materials

A laser cutting device for transparent material ( 23 ), which device is designed to focus the laser light ( 2 ) into a plurality of predetermined spots within the material ( 23 ), wherein the spots lie on a predetermined cutting line or cutting area ( 24 ) running substantially perpendicularly to the direction of incidence of the laser light ( 2 ), wherein the device comprises means for mode conversion ( 3 ) into laser light having a helical phase front ( 5 ), which means can be brought into and out of the beam path of the laser light ( 2 ).

APPARATUS FOR PATTERNED PLASMA-MEDIATED LASER OPHTHALMIC SURGERY

A system for ophthalmic surgery on an eye includes: a pulsed laser which produces a treatment beam; an OCT imaging assembly capable of creating a continuous depth profile of the eye; an optical scanning system configured to position a focal zone of the treatment beam to a targeted location in three dimensions in one or more floaters in the posterior pole. The system also includes one or more controllers programmed to automatically scan tissues of the patient's eye with the imaging assembly; identify one or more boundaries of the one or more floaters based at least in part on the image data; iii. identify one or more treatment regions based upon the boundaries; and operate the optical scanning system with the pulsed laser to produce a treatment beam directed in a pattern based on the one or more treatment regions. 120.-. (canceled)21. An ophthalmic surgical system for treating a floater in an eye of a patient , comprising:a pulsed laser configured to produce a pulsed laser treatment beam which creates tissue breakdown in a focal zone of the laser treatment beam within the eye;an optical scanning system configured to position the focal zone of the laser treatment beam to a targeted location in three dimensions in the eye; andan optical coherence tomography (OCT) imaging system configured to acquire image data from locations distributed throughout a volume adjacent a posterior pole of the eye; operate the OCT imaging system to acquire OCT image data from locations distributed throughout the volume adjacent the posterior pole of the eye;', 'process the image data to identify one or more boundaries of the floater in an ocular tissue of the eye and to generate a treatment cutting region based on the boundaries of the floater; and', 'operate the laser and the optical scanning system to direct the pulsed treatment beam in a pattern based on the treatment cutting region to dissect the ocular tissue, including to guide a positioning of the treatment beam focal zone in the ...

LASER ASSISTED CATARACT SURGERY

Laser assisted cataract surgery methods and devices utilize one or more treatment laser beams to create a shaped opening in the anterior lens capsule of the eye when performing a capsulorrhexis procedure. A light absorbing agent may be applied to the anterior lens capsule to facilitate laser thermal separation of tissue along a treatment beam path on the lens capsule. Relative or absolute reflectance from the eye, and optionally from a surgical contact lens, may be measured to confirm and optionally quantify the presence of the light absorbing agent, before the treatment beam is applied. Such measurements may be used to determine that sufficient light absorbing agent is present in the lens capsule so that transmission of the treatment beam through the capsule will be below a predetermined threshold deemed safe for the retina and other interior portions of the eye, and may also be used to determine that sufficient light absorbing agent is present to result in complete laser thermal separation of the anterior capsule along the treatment beam path. Visualization patterns produced with one or more target laser beams may be projected onto the lens capsule tissue to aid in the capsulorrhexis procedure. In addition or alternatively, virtual visualization patterns may presented on a display integrated with a laser assisted cataract surgery device to aid in the procedure. The visual axis of the eye may be determined, during surgery for example, with a laser beam on which the patient is fixated. The orientation of a toric IOL may be assessed during or after placement by observing the reflection from the back of the eye of a laser beam on which the patient is fixated. The devices disclosed herein may be attached to or integrated with microscopes. 1a visible light laser beam blinking at a frequency perceptible to a human patient, directed into the eye, and establishing the visual axis of the eye upon fixation by the patient on the visible light laser beam; anda scanning ...

Laser instrument for eye therapy

A laser instrument for therapy on the human eye, designed for surgery of the cornea, the sclera, the vitreous body or the crystalline lens, especially suitable for use in immediate succession with other instruments for eye diagnosis or eye therapy, in such a way that during the alternating use of the various instruments, the eye or at least the patient preferably remains in a predetermined position and alignment within one and the same treatment area.

In vivo pre-surgical characterization of cataractous lenses

Systems and methods are provided for in vivo pre-surgical characterization of lenses, such as cataractous lenses. A method comprises obtaining an electromagnetically-measured value related to the axial thickness of the lens, obtaining an ultrasound-measured value related to the axial thickness of the lens, calculating a relationship value based upon the electromagnetically-measured value and the ultrasound-measured value, and determining a mechanical property value based upon the calculated relationship value. The mechanical property may relate to lens hardness, rigidity, or density, or the amount of energy for a phacoemulsification procedure. A system may comprise an optical interferometer for measuring data to obtain the electromagnetically-measured value and an ultrasound biometer for measuring data to obtain the ultrasound-measured value.

METHOD AND SYSTEM FOR ADJUSTING THE REFRACTIVE POWER OF AN IMPLANTED INTRAOCULAR LENS

A method for adjusting the refractive power of a fluid-filled intraocular lens implanted into a patients eye. The method comprises selecting a pattern to cause a flattening of the intraocular lens or an increase in curvature of the intraocular lens, and ablating the pattern, onto either an optical element of the intraocular lens or a flexible element of the intraocular lens, to alter either one or both of a refractive power and an amplitude of accommodation of the intraocular lens. The ablating occurs while the intraocular lens remains implanted in the patient's eye. The ablating maintains the integrity of a fluid-filled interior cavity defined between the optical element and the flexible element, but causes the flattening of the intraocular lens or the increase in curvature of the intraocular lens. 1. A method for adjusting the refractive power of a fluid-filled intraocular lens implanted into a patients eye , the method comprising:selecting a pattern to cause a flattening of the intraocular lens or an increase in curvature of the intraocular lens; andablating the pattern onto a portion of the intraocular lens to alter either one or both of a refractive power and an amplitude of accommodation of the intraocular lens,wherein the step of ablating the pattern onto the portion of the intraocular lens occurs while the intraocular lens remains implanted in the patients eye;wherein the step of ablating the pattern onto the portion of the intraocular lens maintains the integrity of a fluid-filled interior cavity defined between the optical element and the flexible element;wherein the step of ablating the pattern onto the portion of the intraocular lens causes the flattening of the intraocular lens or the increase in curvature of the intraocular lens; andwherein the portion of the intraocular is an optical element of the intraocular lens or a flexible element of the intraocular lens.2. The method of claim 1 , wherein the portion of the intraocular lens is ablated by an ...

SYSTEMS AND METHODS FOR A LASER ASSISTED EYE TREATMENT

A computer program product for controlling a laser-assisted eye treatment, configured to encode a system controller with a routine for planning the eye treatment, invention further relates to a laser-assisted eye treatment system including a laser treatment unit and a system controller, to a method for generating control data for a laser-assisted eye treatment system, to a planning method for a laser-assisted eye treatment and to an eye treatment method using a laser beam for treating a patient's eye. The invention provides systems and methods for a fast laser-assisted eye treatment of a patient's eye which improve the security and minimize the risk of a non-optimal eye treatment and enable sale eye treatment planning and a shortening of the critical phase of the eye treatment. Encoding a system controller by a routine for planning the eye treatment is strictly based on an anatomy of a patient's eye. 118.-. (canceled)19. A computer program product for controlling a laser-assisted eye treatment that is fixed in a tangible medium and is not a carrier wave or signal , comprising instructions configured to encode a system with a routine , the routine comprising:planning the eye treatment strictly in relation to a clinical objective and to an ideal anatomical structure of a virtual model eye, to data acquired on the basis of an external pre-treatment characterization of a patient's eye or to both of the foregoing; andremapping and reviewing the eye treatment strictly in relation to a detected real anatomical structure of the patient's eye.20. (canceled)21. The computer program product according to claim 19 , further comprising a system controller operably coupled to a laser-assisted eye treatment system and wherein the instructions are further configured to encode the system controller with a routine comprising:correcting the planning of the eye treatment by secondary effects related to a docking of the patient's eye to the laser-assisted eye treatment system, effects ...