BEHÄLTER ZUR LINSENÜBERPRÜFUNG

PROCEDURE AND DEVICE FOR TURNING A FLEXIBLE SHAPED PART

PROCEDURE FOR THE PRODUCTION OF CONTACT CONTACTS

DEVICE TO THE PICTURE RECORDING AND IMAGE PROCESSING WITH EYEGLASS LENSES

PROCEDURE FOR HYDRATION OF WEAK CONTACT CONTACTS

INSPECTION OF A CONTACT LENS WITH A LIGHTING WITH DOUBLE FOCUS

PROCEDURE FOR THE TRANSMISSION OF SWITCHES CONTACT CONTACTS

METHOD FOR THE ADDITION OF A FUNCTIONAL COATING ON AN OPTICAL SURFACE OF A SPECTACLE LENS SUITABLE TO BE ARRANGED IN A SPECTACLE FRAME

The invention proposes a method for the addition of a functional coating on an optical surface of a spectacle lens suitable to be arranged in a spectacle frame, said method comprising the following steps: - providing a first set of rules suitable to determine if the features of an optical surface chosen within a list of features are compatible with a functional coating chosen within a list of functional coatings, and a second set of rules to determine a modified optical surface if features of an optical surface and a functional coating are not compatible; - providing said spectacle lens; - choosing within the list of functional coatings a functional coating to be added on said optical surface; - analysing the quality of the optical surface and identifying the features of the optical surface; - determining (118) thanks to the first set of rules if the features of the optical surface and the chosen functional coating are compatible; - if the optical surface has features compatible with the ...

PROCESS FOR HYDRATING SOFT CONTACT LENSES

According to further broad aspect of the present invention there is provided an improved method for releasing a hydrophilic polymeric contact lens from a plastic mold in which the polymeric lens has been polymerized. The improvement in the method comprises using deionized water to which a small amount of surfactant has been added as a hydration solution for releasing the lens from the plastic mold.

PROCESS FOR HYDRATING SOFT CONTACT LENSES

A method of transferring a contact lens between processing stations and comprising aligning a lens holding means containing a contact lens with a convex carrier element so that a concave surface of the lens is oriented towards a convex surface of the carrier element. The contact lens is released from the lens holding means and attached to the convex surface of the first carrier elements. The contact lens is then transferred to a subsequent processing station.

MANUFACTURING DEVICE OF ANTI-REFLECTING STRUCTURE AND MANUFACTURING METHOD FOR THE ANTI-REFLECTING STRUCTURE USING THEREOF

Example embodiments relate to a manufacturing device of an anti-reflecting structure and a method for manufacturing the anti-reflecting structure. The manufacturing device of an anti-reflecting structure includes a carrier film on which a stamp structure is formed, an unwinding unit which unwinds the carrier film, a substrate support unit which provides a target substrate to the carrier film, a pressing unit which applies pressure to the carrier film so that a resin provided in the stamp structure is provided to the target substrate, and a winding unit which winds the carrier film from which an anti-reflecting pattern is transferred to the target substrate, wherein the pressing unit includes a chamber which stores the target substrate, and a vent hole formed in the chamber, and air within the chamber is discharged through the vent hole to lower the air pressure in the chamber and apply pressure to the carrier film.

VERFAHREN ZUM BETREIBEN EINES BESCHICHTUNGSSYSTEMS ZUR HERSTELLUNG VON SCHICHTSYSTEMEN

Die Erfindung betrifft ein Verfahren zum Betreiben eines Beschichtungssystems (100) zur Herstellung von Schichtsystemen (10), umfassend(i) Beschichten (S100) eines Schichtsystems (10) in einer Beschichtungsanlage (102);(ii) Bestimmen (S102) einer spektralen Ist-Messkurve (90) des Schichtsystems (10) in einem optischen Messsystem (104);(iii) Bestimmen (S110) eines Ist-Datensatzes (Dat_ist) durch Anfitten einer Simulations-Soll-Messkurve (98) an die Ist-Messkurve (90);(iv) Bestimmen (S112) von Ist-Schichtparametern (96) als berechnete Ist-Schichtparameter (96) aus der Simulations-Soll-Messkurve (98) durch Simulation des Schichtsystems (10) mit dem Ist-Datensatz (Dat_ist);(v) Ausgabe (S114) des Ist-Datensatzes (Dat_ist) und der berechneten Ist-Schichtparameter (96) zumindest an ein Entscheidungssystem (108);(vi) Bereitstellen (S118) von Qualitätsanforderungs-Daten;(vii) Entscheiden (S120) über eine Freigabe (S122, S124) des Schichtsystems (10) in dem Entscheidungssystem (108) auf Basis eines Vergleichs von wenigstens dem Ist-Datensatz (Dat_ist), den berechneten Ist-Schichtparametern (96) und den Qualitätsanforderungs-Daten.Die Erfindung betrifft ebenso ein Beschichtungssystem (100) zur Herstellung von Schichtsystemen (10). The invention relates to a method for operating a coating system (100) for producing layer systems (10), comprising (i) coating (S100) a layer system (10) in a coating system (102); (ii) determining (S102) a spectral actual Measurement curve (90) of the layer system (10) in an optical measurement system (104); (iii) determining (S110) an actual data record (Dat_ist) by fitting a simulation target measurement curve (98) to the actual measurement curve (90 (iv) determining (S112) actual shift parameters (96) as calculated actual shift parameters (96) from the simulation target measurement curve (98) by simulating the shift system (10) with the actual data set (Dat_ist); (v) Output (S114) of the actual data set (Dat_ist) and the calculated actual shift ...

LENS PARAMETER MEASUREMENT OF MEANS OF OPTICAL INTERSECTION

APPARATUS AND METHOD FOR DEGASSING DEIONIZED WATER FOR INSPECTION AND PACKAGING

A robotic device for transferring a plurality of soft contact lenses from a first processing station to a second processing is described. The method of inspecting and packaging molded contact lenses in an automated production line is also described. The device has a first frame provided with a plurality of first contact lens carriers having concave lens holding surfaces and contact lenses to be transferred. A fluid is introduced between the surface of each of the lenses. A robotic transfer head facilitates transfer of the lens from the first processing station to the second processing station. The head has a plurality of second contact lens carriers which define a convex lens attachment surface to receive a contact lens. A fluid is introduced between the contact lens surface and convex surface. A robotic transport moves the transfer head from the first processing station to the second processing station. A degassed and deionized water is supplied to the second fluid. A second frame is also provided and has a plurality of third contact lens carriers arranged thereon to receive to contact lenses transferred thereto. A controller is provided for actuating the articulated transport and a fluid supply element to effect transfer of the lenses from the first carrier and from the second carrier.

For manufacture of spectacle lenses method and machine

Methods for forming variable optic ophthalmic devices including shaped liquid crystal elements

This invention discloses methods and apparatus for providing an ophthalmic lens of variable optical power. The variable optic insert may have surfaces within that have differing radii of curvature. The variable optic insert may also comprise polarizing elements. In some examples, an intermediate optic piece may be formed to comprise a UV absorbing dye, allowing differential processing of regions on either side of the intermediate optic piece. In some embodiments, an ophthalmic lens is cast-molded from a silicone hydrogel. The various ophthalmic lens entities may include electroactive liquid crystal layers to electrically control refractive characteristics.

СПОСОБЫ ФОРМИРОВАНИЯ ОПТИЧЕСКИХ ОФТАЛЬМОЛОГИЧЕСКИХ УСТРОЙСТВ С ИЗМЕНЯЕМОЙ ОПТИЧЕСКОЙ ЧАСТЬЮ, ВКЛЮЧАЮЩИХ СФОРМИРОВАННЫЕ ЖИДКОКРИСТАЛЛИЧЕСКИЕ ЭЛЕМЕНТЫ

FIELD: medicine.SUBSTANCE: present invention discloses methods and device for preparing an ophthalmic lens with variable optical power. Insert with variable optical properties may have surfaces with different radii of curvature. Variable optical property insert may also comprise polarizing elements. In some examples, the intermediate optical element may be formed in such a way, that it may contain a UV-absorbing dye that allows differential processing of areas on both sides of the intermediate optical element. In some embodiments ophthalmic lenses are cast from silicone-hydrogel. Various ophthalmic lens objects may include electroactive liquid crystal layers for electrically controlling refractive characteristics.EFFECT: use of present group of inventions widens the range of equipment.14 cl, 13 dwg РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 677 585 C2 (51) МПК A61F 9/00 (2006.01) G02C 7/04 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (52) СПК A61F 2/1627 (2018.08); C09K 19/38 (2018.08); G01M 11/0207 (2018.08); G02C 7/04 (2018.08); G02C 7/083 (2018.08); G02C 7/108 (2018.08); G02F 1/133788 (2018.08); G02F 1/1341 (2018.08); G02F 1/29 (2018.08) (21)(22) Заявка: 2017122157, 23.06.2017 23.06.2017 (73) Патентообладатель(и): ДЖОНСОН ЭНД ДЖОНСОН ВИЖН КЭА, ИНК. (US) Дата регистрации: 17.01.2019 (56) Список документов, цитированных в отчете о поиске: US 20150077700 A1, 19.03.2015. US 30.06.2016 US 15/198,387 (43) Дата публикации заявки: 24.12.2018 Бюл. № 36 20160011075 A1, 14.01.2016. US 20140327883 A1, 06.11.2014. US 20100041787 A1, 18.02.2010. US 9296158 B2, 29.03.2016. RU 2505407 C2, 27.01.2014. 2 6 7 7 5 8 5 R U Адрес для переписки: 129090, ООО "Юридическая фирма Городисский и Партнеры" ул. Большая Спасская, д.25, строение 3 Москва 129090 C 2 C 2 (45) Опубликовано: 17.01.2019 Бюл. № 2 2 6 7 7 5 8 5 Приоритет(ы): (30) Конвенционный приоритет: R U (24) Дата начала отсчета срока действия патента: (72) Автор(ы): ПЬЮ Рэндалл Б ...

VERFAHREN ZUR HERSTELLUNG VON KONTAKTLINSEN

DEVICE TO ENTGASSUNG ENTIONISIERTEN WATER FOR INSPECTION AND PACKING

AUTOMATED EXAMINATION OF COLORED CONTACT CONTACTS

METHOD FOR THE ADDITION OF A FUNCTIONAL COATING ON AN OPTICAL SURFACE OF A SPECTACLE LENS SUITABLE TO BE ARRANGED IN A SPECTACLE FRAME

The invention proposes a method for the addition of a functional coating on an optical surface of a spectacle lens suitable to be arranged in a spectacle frame, said method comprising the following steps: - providing a first set of rules suitable to determine if the features of an optical surface chosen within a list of features are compatible with a functional coating chosen within a list of functional coatings, and a second set of rules to determine a modified optical surface if features of an optical surface and a functional coating are not compatible; - providing said spectacle lens; - choosing within the list of functional coatings a functional coating to be added on said optical surface; - analysing the quality of the optical surface and identifying the features of the optical surface; - determining (118) thanks to the first set of rules if the features of the optical surface and the chosen functional coating are compatible; - if the optical surface has features compatible with the ...

PROCESS FOR HYDRATING SOFT CONTACT LENSES

A process for releasing leachable substances from a polymeric contact lens blank. The contact lens is confined in a cavity within a carrier to permit the hydration of the lens without permitting it to invert or roll over. A fluid flow is introduced into the cavity about the lens to extract leachable material from the lens. The process significantly reduces the amount of leaching fluid that is used and the amount of time that is needed for hydration, washing and extraction.

PROCESS FOR HYDRATING SOFT CONTACT LENSES

According to a further broad aspect of the present invention there is provided a process for expediting and manufacture of a hydrogel contact lens suitable for insertion into the eye. The process comprises washing a hydrophilic polymeric contact lens in a series of processing stations to hydrate the lens and remove leachable species from the lens. The lens is then sealed in a final package for the lens with a buffered aqueous saline solution under conditions effective to neutralize the pH and osmolality of the lens to be compatible with that of the eye and to maintain hydration of the lens.

VISUALIZATION OF the REFLECTIVE CAPACITY OF ULTRAVIOLET RADIATION Of a Lens

VISUALISATION OF THE ULTRAVIOLET RADIATION REFLECTION POWER OF A SPECTACLE LENS

Pour visualiser un pouvoir réfléchissant de rayonnement ultraviolet d'un verre de lunettes (10), on expose une face dudit verre à un rayonnement ultraviolet de façon à réfléchir une partie dudit rayonnement. La partie du rayonnement réfléchi active alors une surface révélatrice (3), dont l'apparence visuelle varie sous l'effet du rayonnement ultraviolet reçu. La surface révélatrice est regardée en temps réel par un observateur (100). Une telle visualisation est particulièrement rapide, simple et démonstrative, et peut être mise en oeuvre dans un magasin d'opticien pour aider un client à choisir un verre de lunettes. To visualize an ultraviolet radiation reflective power of a spectacle lens (10), a face of said lens is exposed to ultraviolet radiation so as to reflect a portion of said radiation. The portion of the reflected radiation then activates a revealing surface (3), whose visual appearance varies under the effect of ultraviolet radiation received. The revealing surface is viewed in real time by an observer (100). Such visualization is particularly fast, simple and demonstrative, and can be implemented in an optician's store to help a customer choose a spectacle lens.

PROCESS AND DEVICE OF MEASUREMENT WITHOUT CONTACT OF the CURVE Of a OBJETOPHTALMIQUE

L'invention concerne un procédé et un dispositif de mesure sans contact de la courbure d'un objet ophtalmique (1) comportant une face dite avant (1 B) présentant ladite courbure. Ce procédé consiste à : - émettre séquentiellement au moins deux faisceaux de lumière (L1, L2) sur ladite face avant, ces deux faisceaux étant décalés dun certain angle (α) et convergeant sensiblement sur ladite face avant, l'un desdits faisceaux de lumière émis (L1) étant sensiblement centré sur ladite face avant et sensiblement normal à ladite face avant, - analyser le front d'ondes des faisceaux réfléchis résultants (L'1, L'2), afin d'en déterminer leur foyer respectif (F1, F2), - déduire le rayon de courbure de ladite face, ces opérations étant effectuées de telle façon que lesdits faisceaux émis ne sont sensiblement pas réfléchis par la face arrière dudit objet.

METHODS FOR FORMING VARIABLE OPTIC OPHTHALMIC DEVICES INCLUDING SHAPED LIQUID CRYSTAL ELEMENTS

The present invention discloses methods and apparatus for providing ophthalmic lens of variable optical strength. A variable optical insertion body may have surfaces therein having different radii of curvature. The variable optical insertion body may also include polarization elements. In some instances, intermediate optical system pieces comprising UV absorbing dyes may be formed to enable differential processing of regions on either side of the intermediate optical system piece. In some embodiments, the ophthalmic lens is cast-molded from a silicone hydrogel. Various ophthalmic lens entities may include electroactive liquid crystal layers for electrically controlling refractive properties. COPYRIGHT KIPO 2018 ...

TO HELP OF PROCESSING OF POST - RINDING OF OPHTHALMIC LENSES

La presente invencion describe métodos y sistemas mejorados para inspeccionar una lente oftálmica mediante exposicion de la lente oftálmica a una solucion auxiliar de procesamiento que incluye RCO2CH2CH20(CH2CH2O)x CH2CH2O2CR donde R comprende (es igual a) uno de: CF3CF2(CF2)xH2; CH3CH2(CH2)xCH2; y Ry[Si(CH3)2o]x(CH2)3, mientras que la lete está contenida en un receptáculo oftálmico para lentes, para facilitar la remocion de burbujas y centrar la lente en el receptáculo de lente oftálmica con una incidencia reducida de lentes oftálmicas dobladas sobre sí mismas. La disminucion de la incidencia de burbujas y el adecuado posicionamiento de la lente oftálmica facilita a su vez, una inspeccion sin errores.

EYE IMPLANT AND METHOD FOR PRODUCING SAME

The invention relates to a method for producing an eye implant, in which method a target topography for at least one of the two surfaces of the optical lens area is determined, after which at least one of the two surfaces of a standard lens blank is machined in a manner controlled by the defined target topography, and the topgraphy thereby produced on the at least one lens surface is measured and compared with the target topography.

СПОСОБЫ ФОРМИРОВАНИЯ ОПТИЧЕСКИХ ОФТАЛЬМОЛОГИЧЕСКИХ УСТРОЙСТВ С ИЗМЕНЯЕМОЙ ОПТИЧЕСКОЙ ЧАСТЬЮ, ВКЛЮЧАЮЩИХ СФОРМИРОВАННЫЕ ЖИДКОКРИСТАЛЛИЧЕСКИЕ ЭЛЕМЕНТЫ

Method of making contact lenses

DEVICE TO THE PICTURE RECORDING AND IMAGE PROCESSING WITH EYEGLASS LENSES AND PROCEDURE FOR THE POSITIONING OF THESE EYEGLASS LENSES

CONTAINER FOR LENS EXAMINATION

Lens parameter measurement using optical sectioning

PROCESS FOR HYDRATING SOFT CONTACT LENSES

LENS INSPECTION SYSTEM AND METHOD

A system and method for inspecting ophthalmic lenses. The system comprises a transport subsystem for moving the lenses into an inspection position, and an illumination subsystem to generate a light beam and to direct the light beam through the lenses. The system further comprises an imaging subsystem to generate a set of signals representing selected portions of the light beam transmitted through the lenses, and a processing subsystem to process those signals according to a predetermined program. The illumination subsystem includes a light source to generate a light beam and a diffuser to form that light beam with a generally uniform intensity across the transverse cross section of the light beam. The illumination subsystem further includes a lens assembly to focus a portion of the light beam onto an image plane, and to focus a portion of the light beam onto a focal point in front of the image plane to form a diffuser background pattern on the image plane.

METHOD FOR MAKING AN OPHTHALMIC LENS

L'invention concerne un procédé de fabrication d'une lentille ophtalmique (10) présentant au moins une fonction optique, caractérisé en ce qu'il comporte : - l'étape de fabriquer de manière additive (100) ladite lentille ophtalmique (10), par le dépôt d'une pluralité d'éléments de volume prédéterminés d'au moins un matériau ayant un indice de réfraction prédéterminé, conformément à une enveloppe géométrique cible ; - l'étape de déterminer une enveloppe géométrique réelle au moins une fois au cours de la mise en œuvre de ladite l'étape de fabriquer de manière additive (100) ; et l'étape de déclencher une action correctrice s'il existe dans une zone un écart supérieur à un seuil prédéterminé entre ladite enveloppe géométrique cible et ladite enveloppe géométrique réelle. The invention relates to a method for manufacturing an ophthalmic lens (10) having at least one optical function, characterized in that it comprises: the step of producing (100) said ophthalmic lens (10) in an additive manner, depositing a plurality of predetermined volume elements of at least one material having a predetermined refractive index in accordance with a target geometrical envelope; the step of determining a real geometrical envelope at least once during the implementation of said step of producing additively (100); and the step of initiating a corrective action if there exists in a zone a deviation greater than a predetermined threshold between said target geometrical envelope and said real geometrical envelope.

PROCESS AND MACHINE FOR MANUFACTURING AN OPHTHALMIC LENS

Patent RU2017122157A3

РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2017 122 157 A (51) МПК A61F 9/00 (2006.01) G02C 7/04 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ЗАЯВКА НА ИЗОБРЕТЕНИЕ (21)(22) Заявка: 2017122157, 23.06.2017 (71) Заявитель(и): ДЖОНСОН ЭНД ДЖОНСОН ВИЖН КЭА, ИНК. (US) Приоритет(ы): (30) Конвенционный приоритет: 30.06.2016 US 15/198,387 36 R U (57) Формула изобретения 1. Способ формирования вставки с изменяемыми оптическими свойствами для устройства офтальмологической линзы, содержащий этапы, на которых: формируют передний оптический элемент; формируют промежуточный оптический элемент, при этом промежуточный оптический элемент включает поглощающий УФизлучение краситель; формируют задний оптический элемент; добавляют фоточувствительный слой центрирования на поверхности переднего оптического элемента, промежуточного оптического элемента и заднего оптического элемента; размещают промежуточный оптический элемент на заднем оптическом элементе; размещают передний оптический элемент на промежуточном оптическом элементе, причем комбинация переднего оптического элемента, промежуточного оптического элемента и заднего оптического элемента образует стопку; оказывают воздействие на фоточувствительные слои центрирования под промежуточным оптическим элементом первым источником поляризованного излучения в соответствии с первой картиной поляризации, причем длина волны излучения поглощается, по меньшей мере, частично, поглощающим УФ-излучение красителем; и и оказывают воздействие на фоточувствительные слои центрирования над промежуточным оптическим элементом вторым источником поляризованного облучения в соответствии со второй картиной поляризации, причем длина волны излучения поглощается, по меньшей мере, частично, поглощающим УФ-излучение красителем; 2. Способ по п. 1, дополнительно содержащий этапы, на которых: Стр.: 1 A 2 0 1 7 1 2 2 1 5 7 A (54) СПОСОБЫ ФОРМИРОВАНИЯ ОПТИЧЕСКИХ ОФТАЛЬМОЛОГИЧЕСКИХ УСТРОЙСТВ С ИЗМЕНЯЕМОЙ ОПТИЧЕСКОЙ ЧАСТЬЮ, ВКЛЮЧАЮЩИХ СФОРМИРОВАННЫЕ ...

СПОСОБ ОБРАБОТКИ ИМЕЮЩЕЙ ВЫПУКЛУЮ И ВОГНУТУЮ ПОВЕРХНОСТИ КОНТАКТНОЙ ЛИНЗЫ

FIELD: plastics treatment. SUBSTANCE: lens of convex and concave surface is put into a tank filled up with liquid. The tank has a limited space to prevent a lens workpiece from turning over. Both surfaces are rinsed with water flows. Then contaminated liquid is removed. EFFECT: enhanced efficiency. 19 cl, 6 dwg

METHODS FOR FORMING VARIABLE OPTIC OPHTHALMIC DEVICES INCLUDING SHAPED LIQUID CRYSTAL ELEMENTS

A method of forming a variable optic insert for an ophthalmic lens device comprising: forming a front optic piece; forming an intermediate optic piece, wherein the intermediate optic piece comprises a UV absorbing dye; forming a back optic piece; adding a photosensitive alignment layer to surfaces of the front optic piece, the intermediate optic piece, and the back optic piece; placing the intermediate optic piece upon the back optic piece; placing the front optic piece upon the intermediate optic piece, wherein a combination of the front optic piece, the intermediate optic piece and the back optic piece form a stack; exposing the photosensitive alignment layers underneath the intermediate optic piece with a first polarization pattern, wherein a wavelength of the irradiation is absorbed at least in part by the UV absorbing dye; and exposing the photosensitive alignment layers above the intermediate optic piece with a second polarization pattern, wherein a wavelength of the irradiation is ...

OPHTHALMIC LENS POST DEMOLD PROCESSING AID

The present invention discloses improved methods and systems for inspecting an ophthalmic lens by exposing the ophthalmic lens to a processing aid solution that includes RCO2CH2CH20(CH2CH2O)x CH2CH2O2CR where R comprises (equals) at least one of : CF3CF2(CF2)xCH2; CH3CH2(CH2)xCH2; and Ry[Si(CH3)2o]x(CH2)3, while the lens is contained in a ophthalmic lens receptacle, in order to facilitate the removal of bubbles and center the lens in the ophthalmic lens receptacle with a reduced incidence of ophthalmic lenses being folded over on themselves. The decreased incidence of bubbles and proper positioning of the ophthalmic lens in turn facilitates accurate inspection.

PROCESS FOR HYDRATING SOFT CONTACT LENSES

A process for releasing leachable substances from a polymeric contact lens blank. The contact lens is confined in a cavity within a carrier to permit the hydration of the lens without permitting it to invert or roll over. A fluid flow is introduced into the cavity about the lens to extract leachable material from the lens. The process significantly reduces the amount of leaching fluid that is used and the amount of time that is needed for hydration, washing and extraction.

OPTICAL DEVICE PRODUCTION APPARATUS AND OPTICAL DEVICE PRODUCTION METHOD

An optical device production apparatus includes: an manufacturing head that manufactures an optical device by successively building layers of optical material; and a controller that acquires a result of measurement of an optical performance of an optical system including the optical device manufactured. The controller controls the manufacturing head to terminate manufacturing the optical device on the condition that the result of measurement acquired by the controller meets a predetermined condition.

Linsenparametermessung mittels optischer Durchschneidung

Contact lens manufacture

Method of making contact lenses

Measurement of lenses and lens molds using optical coherence tomography

Process for hydrating soft contact lenses

Apparatus and method for degassing deionized water for inspection and packaging

Process for Hydrating Soft Contact Lenses

ABSTRACT A method of transferring a contact lens between processing stations, the method comprising aligning a lens holding element containing a contact lens with a convex carrier element so that a concave surface of the lens is oriented towards a convex surface of the carrier element. The contact lens is released from the lens holding element. The contact lens is then attached to the convex surface of the first carrier element. The contact lens is then transferred to a subsequent processing station.

LENS PARAMETER MEASUREMENT USING OPTICAL SECTIONING

An arrangement for measuring desired parameters of a contact lens by optical sectioning which comprises a support fixture on which a contact lens is positioned. The support fixture includes a container in which a pedestal is positioned, and the container is filled with a saline solution. The contact lens is placed on the pedestal completely immersed in the saline solution. A line of light is generated and directed by imaging and shaping optical elements over the edge of the container and through a selected diameter of the contact lens. An imaging camera detects and image of the light scattered at the surfaces of the contact lens at the selected diameter, which is captured by a frame grabber and is digitally stored for subsequent image processing and determination of the desired parameters of the contact lens. The analysis provides at least four basic parameters of the contact lens including the diameter (D), front radius of curvature (FC), back radius of curvature (BC), and center thickness ...

PROCESS FOR HYDRATING SOFT CONTACT LENSES

According to further broad aspect of the present invention there is provided an improved method for releasing a hydrophilic polymeric contact lens from a plastic mold in which the polymeric lens has been polymerized. The improvement in the method comprises using deionized water to which a small amount of surfactant has been added as a hydration solution for releasing the lens from the plastic mold.

Process and machine for manufacturing an ophthalmic lens

本发明涉及一种用于制造具有至少一种光学功能的眼镜片(10)的方法，其特征在于，该方法包括：为了形成目标几何包络线而通过沉积具有预设折射率的至少一种材料的多个预设体积元素以增材方式制造所述眼镜片(10)的步骤(100)；在所述增材制造步骤(100)的实施过程中至少一次确定一条实际几何包络线的步骤；以及如果在区中所述目标几何包络线与所述实际几何包络线之间的差异大于预设阈值则触发校正动作的步骤。

Contact lens inspection system and method

PROCESS OF DETERMINATION OF the CONDITIONS OF MANUFACTURE Of a LENS OPHTHALMIC AND MANUFACTORING PROCESS Of SUCH a LENS.

L'invention concerne la fabrication d'une lentille ophtalmique en polythiouréthanne obtenue par réaction de polymérisation d'un iso(thio)cyanate et d'un thiol, comprenant : - la détermination d'une composition proposée comme mélange de matières de départ et des conditions proposées de réaction de polymérisation utilisées dans la réaction de polymérisation de la fabrication effective ; - la polymérisation du mélange de matières de départ de la composition proposée qui a été déterminée dans les conditions de réaction de polymérisation proposées, pour obtenir un échantillon de test ; - le test de l'échantillon obtenu, par irradiation avec une lampe au xénon pour déterminer si un changement de couleur vers le rouge est présent ou non à la suite de l'irradiation ; et - la détermination d'une composition de mélange de matières de départ et des conditions de réaction de polymérisation à utiliser dans la réaction de polymérisation de la fabrication effective avec l'utilisation d'un résultat de ...

METHOD FOR PRODUCING CONTACT LENSES WITH A LUBRICIOUS SURFACE

Eigenschaftsbewertungsverfahren mit Röntgenstrahlung und Verwendung desselben

Ein Aspekt der vorliegenden Erfindung betrifft ein Verfahren zur Beurteilung des Verhaltens eines filmbildenden Materials zur Bildung eines Funktionsfilms auf einem Brillenglassubstrat oder eines durch Verwendung des filmbildenden Materials gebildeten Funktionsfilms. Das zu beurteilende Verhalten ist ausgewählt aus der Gruppe bestehend aus einem Gleiteindruck einer Oberfläche des Funktionsfilms und einer Adhäsion des Funktionsfilms, und die Beurteilung wird aufgrund einer zeitlichen Änderung einer Menge von Photoelektronen, die durch Bestrahlen des filmbildenden Materials oder des Funktionsfilms mit einem Röntgenstrahl erzeugt werden, durchgeführt.

Method of making contact lenses

The invention relates to a method of making a contact lens, the method comprises identifying undesirable attributes, such as eccentricity, residual toricity, prism correction, spherical aberration, comatic aberration or trefoil aberration, of a lens 15, 20 produced in a precursor mould, producing at least one further lens 15, 20 in a further mould produced from a master mould and lathing the lens; adjusting the path of the lathe to take account of the undesirable attribute. A computer programme for controlling the lathe is also claimed.

Method for the addition of a functional coating on an optical surface of a spectacle lens suitable to be arranged in a spectacle frame

The invention proposes a method for the addition of a functional coating on an optical surface of a spectacle lens suitable to be arranged in a spectacle frame, said method comprising the following steps: - providing a first set of rules suitable to determine if the features of an optical surface chosen within a list of features are compatible with a functional coating chosen within a list of functional coatings, and a second set of rules to determine a modified optical surface if features of an optical surface and a functional coating are not compatible; - providing said spectacle lens; - choosing within the list of functional coatings a functional coating to be added on said optical surface; - analysing the quality of the optical surface and identifying the features of the optical surface; - determining (118) thanks to the first set of rules if the features of the optical surface and the chosen functional coating are compatible; - if the optical surface has features compatible with the ...

PROCESS FOR HYDRATING SOFT CONTACT LENSES

A method of transferring a contact lens between processing stations, the method comprising aligning a lens holding element containing a contact lens with a convex carrier element so that a concave surface of the lens is oriented towards a convex surface of the carrier element. The contact lens is released from the lens holding element. The contact lens is then attached to the convex surface of the first carrier element. The contact lens is then transferred to a subsequent processing station.

METHODS FOR FORMING VARIABLE OPTIC OPHTHALMIC DEVICES INCLUDING SHAPED LIQUID CRYSTAL ELEMENTS

This invention discloses methods and apparatus for providing an ophthalmic lens of variable optical power. The variable optic insert may have surfaces within that have differing radii of curvature. The variable optic insert may also comprise polarizing elements. In some examples, an intermediate optic piece may be formed to comprise a UV absorbing dye, allowing differential processing of regions on either side of the intermediate optic piece. In some embodiments, an ophthalmic lens is cast-molded from a silicone hydrogel. The various ophthalmic lens entities may include electroactive liquid crystal layers to electrically control refractive characteristics.

인공각막 제조용 금형 및 이를 이용한 인공각막의 제조방법

본 발명은 상부 금형; 및 하부 금형을 포함하고, 광학부 및 지지부가 일체로 구성된 인공각막을 제조하기 위한 금형 및 이를 이용한 인공각막을 제조하는 방법에 관한 것이다. The present invention relates to an upper mold; And a lower mold, and to a mold for manufacturing an artificial cornea having an optical part and a supporting part integrally, and a method for manufacturing an artificial cornea using the same.

Inspektion einer Kontaktlinse mit einer Beleuchtung mit Doppelfokus

IN-LINE INSPECTION OF OPHTHALMIC DEVICE WITH AUTO-ALIGNMENT SYSTEM AND INTERFEROMETER

Disclosed are in-line apparatuses, systems and methods for measuring a physical characteristic of a constant supply of an ophthalmic device, the apparatuses including: an interferometer; an automatic alignment system that positions the interferometer or ophthalmic device; and a central processing unit in communication with the automatic alignment system and receiving measurements from the interferometer. The in-line apparatus measures the desired physical dimensions of the ophthalmic device in real time. In-line systems, apparatuses and methods for measuring a physical characteristic of an ophthalmic device can include: a camera imaging an actual position of a feature of the ophthalmic device; a vibration resistant interferometer projecting a surface measurement beam having a wavelength that transmits through a beam splitter onto the ophthalmic device; and an automatic alignment system positioning the interferometer and the camera.

LENS PARAMETER MEASUREMENT USING OPTICAL SECTIONING

An arrangement for measuring desired parameters of a contact lens by optical sectioning which comprises a support fixture on which a contact lens is positioned. The support fixture includes a container in which a pedestal is positioned, and the container is filled with a saline solution. The contact lens is placed on the pedestal completely immersed in the saline solution. A line of light is generated and directed by imaging and shaping optical elements over the edge of the container and through a selected diameter of the contact lens. An imaging camera detects and image of the light scattered at the surfaces of the contact lens at the selected diameter, which is captured by a frame grabber and is digitally stored for subsequent image processing and determination of the desired parameters of the contact lens. The analysis provides at least four basic parameters of the contact lens including the diameter (D), front radius of curvature (FC), back radius of curvature (BC), and center thickness (CT), and can also provide the lenticular curve radius, the peripheral curve radius, the sagittal height, aspherical forms and deviations of the several measured curvatures, and the power of the lens.

APPARATUS AND METHOD FOR DEGASSING DEIONIZED WATER FOR INSPECTION AND PACKAGING

A robotic device for transferring a plurality of soft contact lenses from a first processing station to a second processing is described. The method of inspecting and packaging molded contact lenses in an automated production line is also described. The device has a first frame provided with a plurality of first contact lens carriers having concave lens holding surfaces and contact lenses to be transferred. A fluid is introduced between the surface of each of the lenses. A robotic transfer head facilitates transfer of the lens from the first processing station to the second processing station. The head has a plurality of second contact lens carriers which define a convex lens attachment surface to receive a contact lens. A fluid is introduced between the contact lens surface and convex surface. A robotic transport moves the transfer head from the first processing station to the second processing station. A degassed and deionized water is supplied to the second fluid. A second frame is also provided and has a plurality of third contact lens carriers arranged thereon to receive to contact lenses transferred thereto. A controller is provided for actuating the articulated transport and a fluid supply element to effect transfer of the lenses from the first carrier and from the second carrier.

PROCESS FOR HYDRATING SOFT CONTACT LENSES

According to a further broad aspect of the present invention there is provided a process for expediting and manufacture of a hydrogel contact lens suitable for insertion into the eye. The process comprises washing a hydrophilic polymeric contact lens in a series of processing stations to hydrate the lens and remove leachable species from the lens. The lens is then sealed in a final package for the lens with a buffered aqueous saline solution under conditions effective to neutralize the pH and osmolality of the lens to be compatible with that of the eye and to maintain hydration of the lens.

PROCESS FOR HYDRATING SOFT CONTACT LENSES

A method of transferring a contact lens between processing stations and comprising aligning a lens holding means containing a contact lens with a convex carrier element so that a concave surface of the lens is oriented towards a convex surface of the carrier element. The contact lens is released from the lens holding means and attached to the convex surface of the first carrier elements. The contact lens is then transferred to a subsequent processing station.

For the ophthalmic lens of refractive power of the automatic in-line determining method

一种用于眼透镜(5)的屈光力的自动化线内确定的方法，所述方法包含下列步骤：提供包含具有凹内表面(210)的光学透明底部(21)和包含浸入液体中的所述眼透镜(5)的检查池，并且提供光源(42)和包含检测器的波前传感器(6)。所述光来自所述光源(42)并且已经通过包含在所述检查池中的所述眼透镜(5)，并且在所述检测器上撞击而产生在所述检测器处的信号。通过将在所述检测器处产生的所述信号与表示参考屈光力的预定的信号进行对比，从而确定所述眼透镜(5)的所述屈光力。

METHOD AND DEVICE FOR CONTACTLESS MEASUREMENT OF THE CURVATURE OF AN OPHTHALMIC OBJECT

CONTACT LENS MANUFACTURING APPARATUS

The present invention relates to a contact lens manufacturing apparatus, and more specifically, to a contact lens manufacturing apparatus which can simplify and automate processes of molding contact lenses in a contact lens forming mold, removing the contact lens forming mold from the contact lenses, performing an optical test on the contact lenses, and packaging the contact lenses by aligning; and can reduce the possibility of defects in contact lenses. COPYRIGHT KIPO 2017 (100) Mold inserting apparatus (200) Front curve separating apparatus (300) Base curve separating apparatus (400) Vision test apparatus (500) Aligning apparatus (600) Contact lens transfer apparatus (710) First transfer means (720) Second transfer means (730) Third transfer means (740) Fourth transfer means (750) Fifth transfer means ...

Method of making contact lenses

CONTACT LENS MANUFACTURE

METHOD FOR AUTOMATED INLINE DETERMINATION OF THE REFRACTIVE POWER OF AN OPHTHALMIC LENS

ENVIRONMENTAL SCANNING ELECTRON MICROSCOPY ANALYSIS FOR CONTACT LENS COATING SELECTION AND MANUFACTURING

APPARATUS AND METHOD FOR DEGASSING A FLUID TO ENHANCE INSPECTION OF OPHTHALMIC DEVICES

An ophthalmic device forming system (10) includes an inspection station (16) configured to receive a plurality of ophthalmic devices, a fluid supply (54) fluidly connected to the inspection station, the fluid supply containing a working fluid, and a degassing assembly (26) fluidly connected between the fluid supply and the inspection station. The degassing assembly comprises a housing(28), a vacuum device (30), and a membrane (32). The vacuum device is fluidly connected to the housing adjacent to the membrane.

OPHTHALMIC LENS POST DEMOLD PROCESSING AID

The present invention discloses improved methods and systems for inspecting an ophthalmic lens by exposing the ophthalmic lens to a processing aid solution that includes RCO2CH2CH20(CH2CH2O)x CH2CH2O2CR where R comprises (equals) at least one of : CF3CF2(CF2)xCH2; CH3CH2(CH2)xCH2; and Ry[Si(CH3)2o]x(CH2)3, while the lens is contained in a ophthalmic lens receptacle, in order to facilitate the removal of bubbles and center the lens in the ophthalmic lens receptacle with a reduced incidence of ophthalmic lenses being folded over on themselves. The decreased incidence of bubbles and proper positioning of the ophthalmic lens in turn facilitates accurate inspection.

Ophthalmic lens treatment system

An ophthalmic lens treatment planning System receives lens and ophthalmic lens treatment information from a customer lens order, identification of available equipment to apply ophthalmic lens treatment(s) from the customer order, and performance and parameters of the available equipment. The ophthalmic lens treatment planning System formulates an optimal ophthalmic lens treatment plan to be implemented by the available equipment to apply the ophthalmic lens treatment(s) from the customer order to the lens. Following application of the optimal ophthalmic lens treatment plan to the lens, the resulting lens may be measured to provide last run results and the last run results may be fed back to the ophthalmic lens treatment planning System to provide further performance and parameters of the available equipment to the ophthalmic lens treatment planning System.

Apparatus and method for degassing deionized water for inspection and packaging

LENS INSPECTION SYSTEM AND METHOD

A system and method for inspecting ophthalmic lenses. The system comprises a transport subsystem for moving the lenses into an inspection position, and an illumination subsystem to generate a light beam and to direct the light beam through the lenses. The system further comprises an imaging subsystem to generate a set of signals representing selected portions of the light beam transmitted through the lenses, and a processing subsystem to process those signals according to a predetermined program. The illumination subsystem includes a light source to generate a light beam and a diffuser to form that light beam with a generally uniform intensity across the transverse cross section of the light beam. The illumination subsystem further includes a lens assembly to focus a portion of the light beam onto an image plane, and to focus a portion of the light beam onto a focal point in front of the image plane to form a diffuser background pattern on the image plane.

METHOD FOR MAKING AN OPHTHALMIC LENS

METHOD AND BUCKET FOR LENS INSPECTION

El presente se refiere a una celda para una lente oftálmica, para probar esta última con una disposición de inspección óptica, dicha celda que comprende un espacio hueco (11, 31) el cual es llenado con un líquido y tiene un eje (12, 32) que coincide, en la posición de prueba, con el eje óptico de una disposición de inspección y, en la posición de prueba de la celda, está delimitado desde arriba por un vidrio de observación (13, 33) para la prueba óptica y tiene, por debajo del vidrio de observación, una tina de prueba (14, 34) para la lente oftálmica. Entre el vidrio de observación (13, 33) y la tina de prueba (14, 34), por lo menos un canal de inserción (15, 35) se abre en el espacio hueco (11, 31), pudiéndose insertar la lente oftálmica dentro del espacio hueco (11, 31) a través de la abertura de inserción exterior (16, 36) de dicho canal de inserción (15, 35).

LENS INSPECTION MODULE

Cleaning shuttle comprises a driving unit a cleaning head, a suction unit, and a tube connecting cleaning head and suction unit. Cleaning head is spaced apart from suction unit and driving unit in the transportation direction and is pivotally arranged about a pivot axis. Cleaning head may comprise a distance sensor for detecting the distance between cleaning shuttle and transportation shuttle. Driving unit is configured to change the speed of the self-driving cleaning shuttle when the distance between the cleaning shuttle and the transportation shuttle is shorter than a predetermined threshold distance.

Linsenparametermessung mittels optischer Durchschneidung

Spectacle lens image sensing processing apparatus and spectacle lens positioning method

Method for the addition of a functional coating on an optical surface of a spectacle lens suitable to be arranged in a spectacle frame

A method is proposed for the addition of a functional coating by depositing said functional coating on an optical surface of a spectacle lens suitable to be 5 arranged in a spectacle frame. The spectacle lens has already been put into the form of a given spectacle frame in a step prior to said method. Either the spectacle lens: is yet to be mounted in a spectacle frame; or is of such a shape that it is suitable to be immediately arranged in a spectacle frame; or which has been dismounted from a frame in a prior step to said method. The 10 method comprising the following successive steps: a first set of rules is provided suitable to determine if the features of an optical surface chosen within a list of features are compatible with a functional coating chosen within a list of functional coatings, and a second set of rules is provided to determine a modified optical surface if features of an optical surface and a functional 15 coating are not compatible. The spectacle lens is provided. A ...

Spectacle lens image sensing processing apparatus and spectacle lens positioning method

CONTACT LENS MANUFACTURING APPARATUS

The present invention relates to a contact lens manufacturing apparatus, and more specifically, to a contact lens manufacturing apparatus, in which a contact lens mold is removed from the contact lens after the contact lens are molded in a contact lens mold, the static electricity and foreign matters of the contact lens are removed, the vision inspection is performed, series of processes of transporting the contact lens are simplified and automated, and the possibility of the failure of the contact lens can be reduced.

In-line inspection of ophthalmic device with auto-alignment system and interferometer

Disclosed are in-line apparatuses, systems and methods for measuring a physical characteristic of a constant supply of an ophthalmic device, the apparatuses including: an interferometer; an automatic alignment system that positions the interferometer or ophthalmic device; and a central processing unit in communication with the automatic alignment system and receiving measurements from the interferometer. The in-line apparatus measures the desired physical dimensions of the ophthalmic device in real time. In-line systems, apparatuses and methods for measuring a physical characteristic of an ophthalmic device can include: a camera imaging an actual position of a feature of the ophthalmic device; a vibration resistant interferometer projecting a surface measurement beam having a wavelength that transmits through a beam splitter onto the ophthalmic device; and an automatic alignment system positioning the interferometer and the camera.

Vorrichtung zur Bildaufnahme und Bildverarbeitung bei Brillengläsern und Verfahren zur Positionierung dieser Brillengläser

Ophthalmic lens post demold processing aid

Lens inspection system and method

SYSTEM FOR SEPARATING AND INSPECTING CONTACT LENSES

The present invention relates to a system for separating and inspecting contact lenses, which allows a user to easily separate the contact lens from a contact lens mold while the separated contact lens can be visually inspected more quickly and accurately without any error. To this end, the system comprises a lower mold, the contact lens, and an upper mold.

Ophthalmic lens inspection processing aid

CONTACT LENS INSPECTION SYSTEM AND METHOD

The present invention relates to a contact lens inspection system, comprising: a light source (20) being adapted to illuminate the contact lens with collimated light from a front side or the rear side of the contact lens; a camera (40) having an objective lens (41) and an electronic sensor (42), said camera being arranged to produce an electronic orthographic image (10) of said contact lens on said electronic sensor (42), wherein said objective lens (41) has a diameter which is at least as large as a maximum diameter of said contact lens, said camera (40) being arranged on that side of the contact lens opposite to said side of said light source (20); an electronic scanning and evaluation unit (50) adapted for electronically scanning said electronic orthographic image (10) of said contact lens to determine whether or not said contact lens is inverted.

Method and apparatus for the automatic inspection of optically transmissive objects having a lens portion

A system for inspecting intraocular lenses which utilizes a light source and an electronic camera for obtaining images of the lens under test. A series of masks is utilized during the obtaining of the images and includes a bright field mask which allows the transmission of light through the lens, a dark field mask which blocks a portion of the light which would normally pass through the lens and a transition mask which is constituted by fine stripes. A signal processor analyzes the images obtained utilizing the masks and provides an indication of predetermined defects in the lens.

Determining manufacturing condition for manufacturing polythiourethane spectacle glasses, comprises e.g. determining a candidate composition for a raw material mixture and a candidate polymerization reaction condition

Determining manufacturing condition for manufacturing polythiourethane spectacle glasses, comprises e.g. (a) determining a candidate composition for a raw material mixture and a candidate polymerization reaction condition, which are used in the actual preparation in the polymerization reaction, (b) polymerizing the raw material mixture of the candidate composition, which is determined by the candidate polymerization reaction condition, to obtain a test sample, (c) testing the obtained test sample by irradiating with a xenon lamp for determining a color change on irradiation. Determining manufacturing condition for manufacturing a polythiourethane spectacle glass obtained by carrying out a polymerization reaction of an isothiocyanate compound and a thiol compound to obtain polythiourethane, comprises (a) determining a candidate composition for a raw material mixture and a candidate polymerization reaction condition, which are used in the actual preparation in the polymerization reaction, ...

Vorrichtung zur Bildaufnahme und Bildverarbeitung bei Brillengläsern

Performance evaluation method with x-ray and its usage

An aspect of the present invention relates to a method of evaluating performance of a film-forming material for forming a functional film on an eyeglass lens substrate or a functional film formed by the use of the film-forming material. The performance to be evaluated is selected from the group consisting of a sliding sensation of a surface of the functional film and an adhesion of the functional film, and the evaluation is conducted based on a change over time in a quantity of photoelectrons generated by irradiating with an X-ray the film-forming material or the functional film.

METHOD OF DETERMINING MANUFACTURING CONDITION OF EYEGLASS LENS AND METHOD OF MANUFACTURING EYEGLASS LENS

An aspect of the present invention relates to a method of determining a manufacturing condition of a polythiourethane eyeglass lens obtained via a process of obtaining polythiourethane by polymerization reaction of an iso(thio)cyanate compound and a thiol compound, comprising determining a candidate composition for a starting material mixture and a candidate polymerization reaction condition employed in the polymerization reaction in actual manufacturing; polymerizing the starting material mixture of the candidate composition that has been determined under the candidate polymerization reaction condition to obtain a test sample; testing the obtained test sample by irradiation with a xenon lamp to determine whether or not change into red-like color is present following irradiation with the xenon lamp; and determining a starting material mixture composition and a polymerization reaction condition to be employed in the polymerization reaction in actual manufacturing with the use of a result of the determination as an indicator. 1. A method of determining a manufacturing condition of a polythiourethane eyeglass lens obtained via a process of obtaining polythiourethane by polymerization reaction of an iso(thio)cyanate compound and a thiol compound , which comprises:determining a candidate composition for a starting material mixture and a candidate polymerization reaction condition employed in the polymerization reaction in actual manufacturing;polymerizing the starting material mixture of the candidate composition that has been determined under the candidate polymerization reaction condition to obtain a test sample;testing the obtained test sample by irradiation with a xenon lamp to determine whether or not change into red-like color is present following irradiation with the xenon lamp; anddetermining a starting material mixture composition and a polymerization reaction condition to be employed in the polymerization reaction in actual manufacturing with the use of a ...

Method of measuring a shape of an optical surface based on computationally combined surface region measurements and interferometric measuring device

Measuring a shape of an optical surface ( 14 ) of a test object ( 12 ) includes: providing an interferometric measuring device ( 16 ) generating a measurement wave ( 18 ); arranging the measuring device ( 16 ) and the test object ( 12 ) consecutively at different measurement positions relative to each other, such that different regions ( 20 ) of the optical surface ( 14 ) are illuminated by the measurement wave ( 18 ); measuring positional coordinates of the measuring device ( 16 ) at the different measurement positions in relation to the test object ( 12 ); obtaining surface region measurements by interferometrically measuring the wavefront of the measurement wave ( 18 ) after interaction with the respective region ( 20 ) of the optical surface ( 14 ) using the measuring device ( 16 ) in each of the measurement positions; and determining the actual shape of the optical surface ( 14 ) by computationally combining the sub-surface measurements based on the measured positional coordinates of the measuring device ( 16 ) at each of the measurement positions.

Dyeing system

A dyeing system includes a conveyance device, a reader, a dye fixing device, and a controller. The conveyance device conveys a conveyance unit including the resin body. The reader reads information relating to the conveyance unit. The dye fixing device heats the resin body in the conveyance unit conveyed by the conveyance device and fixes a dye adhering to a surface of the resin body, on the resin body. The controller acquires a parameter for a process executed to the resin body in the conveyance unit, based on the information read by the reader. The controller controls the dye fixing device based on the acquired parameter.

Testing device and method for measuring the homogeneity of an optical element

A testing device for measuring the homogeneity of an optical element in a beam path of the testing device and related method. The testing device includes an interferometer, which comprises a monochromatic light source, an adjustable objective, a reference surface associated with a surface of the optical element to be tested or an interferometry surface, and an analysis unit for the interference of the wave fronts of the light reflected by the reference surface and the associated surface of the optical element to be tested or of the interferometry surface. The testing device and method facilitate highly precise measurement of the homogeneity of an entire optical element—not merely individual surfaces. The method is suitable for the highly precise measurement of plastic lenses or other injection molded components for refractive laser eye surgery for example.

Method for the Addition of A Functional Coating On An Optical Surface Of A Spectacle Lens Suitable To Be Arranged In A Spectacle Frame

For optical surface of a spectacle lens, providing a first set of rules to determine if features of an optical surface from a list of features are compatible with a functional coating from a list of functional coatings, and a second set of rules to determine a modified optical surface if features of an optical surface and a functional coating are not compatible; choosing within the list a functional coating for addition to said optical surface; analysing the quality and identifying features of the optical surface; determining with the first set of rules if features of the optical surface and the chosen functional coating are compatible and, if so, depositing the chosen functional coating on the optical surface; otherwise, forming a modified optical surface which is compatible with the chosen functional coating determined with the second set of rules and depositing the chosen functional coating on the modified optical surface.

POLARIZED LENS FOR SPECTACLES, METHOD FOR MANUFACTURING POLARIZED LENS FOR SPECTACLES, METHOD FOR MANUFACTURING FRAMED SPECTACLE, AND METHOD FOR INSPECTING POLARIZED LENS FOR SPECTACLES

Provided is a technique by which it is possible to reduce the thickness of a polarized lens for spectacles that has a rotationally symmetric aspherical surface formed on an object-side surface thereof, in the same manner as for a normal lens. Provided is a polarized lens for spectacles, including: a first lens substrate having an object-side surface on which a convex surface that is a rotationally symmetric aspherical surface is formed; a second lens substrate having an eyeball-side surface; and a polarized film disposed between the first lens substrate and the second lens substrate and having a convex shape toward the object-side surface, wherein an in-plane distribution of a distance W between the object-side surface and the polarized film has concentricity. 1. A polarized lens for spectacles , comprising:a first lens substrate having an object-side surface on which a convex surface that is a rotationally symmetric aspherical surface is formed;a second lens substrate having an eyeball-side surface; anda polarized film provided between the first lens substrate and the second lens substrate and having a convex shape toward the object-side surface,wherein an in-plane distribution of a distance W between the object-side surface and the polarized film has concentricity.2. The polarized lens for spectacles according to claim 1 ,wherein the distance W on a circumference centered around an optical center of the object-side surface and including a position at which the distance W is minimum is 0.1 mm or more and 0.7 mm or less.3. The polarized lens for spectacles according to claim 1 ,wherein a difference between a maximum value and a minimum value of the distance W on a circumference having a radius r (9 mm≤r≤25 mm) from an optical center of the object-side surface is 0.35 mm or less.4. The polarized lens for spectacles according to claim 1 ,wherein a standard deviation of the distance W at a plurality of points on a circumference having a radius r (9 mm≤r≤25 mm) from an ...

METHOD FOR PRODUCING CONTACT LENSES WITH A LUBRICIOUS SURFACE

The invention is related to method for developing and producing contact lenses with a target lubricity profile as characterized by having a velocity-weighted average coefficient of friction, as determined by use of a lubricity test of the invention. 1. A method for producing contact lenses according to procedure (I) or (II) ,{'o': {'@ostyle': 'single', 'sub': 'v', 'CoF'}, 'sup': '−3', 'wherein procedure (I) comprises the steps of: (a) obtaining preformed contact lenses; (b) selecting a surface treatment or a combination of two or more surface treatments, coating materials, and coating conditions under which the selected coating materials can be applied onto a contact lens according to the selected surface treatment or the selected combination of the two or more surface treatments to obtain a coated contact lens having a first target lubricity profile as characterized by having a first velocity-weighted average coefficient of friction, , of about 450×10or less; and (c) applying the selected coating materials onto the preformed contact lenses under the selected coating conditions to form the contact lenses each having the first target lubricity profile,'}{'o': {'@ostyle': 'single', 'sub': 'v', 'CoF'}, 'sup': '−3', 'wherein procedure (II) comprises the steps of: (a) selecting a mold material for making lens molds; (b) selecting a lens formulation and curing conditions under which the selected lens formulation can be cured in the selected mold under the selected curing conditions to form a contact lens having a second target lubricity profile as characterized by having a second velocity-weighted average coefficient of friction, , of about 450×10or less, wherein the lens formulation comprises at least one lubricating agent for imparting the second target lubricity profile to the formed contact lens; and (c) introducing and curing the selected lens formulation in the lens molds to form the contact lenses each having the second target lubricity profile.'}2. The method of ...

Method and system for identification of a given geometrical feature of an optical component

A method and system for identifying a given geometrical feature of an optical component chosen from an ophthalmic lens or a semi-finished lens blank for ophthalmic lens. The method includes: providing the optical component made of an organic material that can emit light at an emission wavelength λ e when being lighten at an illumination wavelength λ i different from the emission wavelength λ e ; illuminating a surface of the optical component with an incident light beam including at least light at the illumination wavelength but devoid from light at the emission wavelength; collecting light emitted at the emission wavelength by the illuminated surface of the optical component to build an image of the surface; and processing the image via computer elements and applying a metrics to compare the image with reference data specific to the given geometrical feature, and providing an identification output of the given geometrical feature.

OPTICAL COMPONENT AND METHOD FOR MANUFACTURING SAME

Provided is an optical component whereby the absence of eccentricity can be instantly confirmed visually even in a case that the optical component has Fresnel lens or other very fine structure. An optical component of the present invention includes an optical part and a peripheral part thereof. The optical component includes recognition marks in positions substantially plane-symmetrical to each other on a front surface side and a rear surface side of the peripheral part, the recognition marks being expressed as a recess or a projection and configured to allow eccentricity to be recognized. Two of the recognition marks are preferably similar to each other in shape, one recognition mark being preferably from 10% to 90% the size of the other recognition mark. 1. An optical component comprising:an optical part; anda peripheral part of the optical part,wherein the optical component includes recognition marks in positions substantially plane-symmetrical to each other on a front surface side and a rear surface side of the peripheral part, respectively, the recognition marks being expressed as a recess or a projection and configured to allow eccentricity to be recognized.2. The optical component according to claim 1 ,wherein two of the recognition marks on the front surface side and the rear surface side of the peripheral part are similar to each other in shape, andone of the recognition marks is from 10% to 90% a size of the other of the recognition marks.3. The optical component according to claim 1 ,wherein the recognition marks have a circular shape or a polygonal shape in a plan view.4. The optical component according to claim 1 ,wherein the optical part is a lens part.5. The optical component according to claim 1 ,wherein the optical component is an imaging lens, a light diffusion lens, or a prism.6. The optical component according to claim 1 ,wherein the optical component is composed of a cured product of a cationic curable composition containing an epoxy resin.7. A ...

METHOD FOR EVALUATING COSMETIC DEFECTS OF AN OPTICAL DEVICE

Disclosed is a method for evaluating cosmetic defects of an optical device, including: a first step of acquiring a first set of cosmetic defects of the optical device; a second acquiring step during which a second set of cosmetic defects of the optical device is acquired, the second set of cosmetic defects being different from the first set of cosmetics defects and including at least one cosmetic defect corresponding to a cosmetic defect of the first set of cosmetic defects; a determining step, during which a subset of the first set of cosmetic defects of the optical device is determined based on the comparison of the cosmetic defects of the second set of cosmetic defects and the cosmetic defects of the first set of cosmetic defects; and a determining step, during which a quality factor of the optical device is determined based on the subset of cosmetic defects. 1. A method for evaluating cosmetic defects of an optical device , the method comprising:{'b': '10', 'a first acquisition step (S), during which a first set of cosmetic defects of the optical device is acquired,'}{'b': 20', '10, 'a second acquisition step (S) distinct from the first acquisition step (S), during which a second set of cosmetic defects of the optical device is acquired, the second set of cosmetic defects being different from the first set of cosmetic defects and comprising at least one cosmetic defect corresponding to a cosmetic defect of the first set of cosmetic defects,'}{'b': '30', 'a subset of cosmetic defects determining step (S), during which a subset of the first set of cosmetic defects of the optical device is determined based on the comparison of the cosmetic defects of the second set of cosmetic defects and the cosmetic defects of the first set of cosmetic defects, and'}{'b': '80', 'a quality factor determining step (S), during which a quality factor of the optical device is determined based on the subset of cosmetic defects.'}2. The method according to claim 1 , wherein the optical ...

Method for "Real Time" In-Line Quality Audit of a Digital Ophthalmic Lens Manufacturing Process

The present invention relates to a method for providing a model assessing a quantitative expected global quality level of an ophtalmic lens, said lens having given lens and environment parameters, and being produced by a digital lens manufacturing process. A method for real-time in-line quality audit of the freeform production line is provided, by means of a process quality score, built as the result of the normalization of the computed global quality level based on the expected value of manufactured lenses obtained by normal production. 1. A method for quality auditing of a digital manufacturing process of ophtalmic lenses in real time , applicable to each ophthalmic lens produced , said lens having given lens and environment parameters , said method involving the following computer-implemented steps of:setting up a computable single lens global quality criterion (or LGQC), providing a quality quantification for every manufactured lens of a first selected representative learning set of measured lenses produced by the manufacturing process, so that the computation result is a computed LGQC able to match or to mimic, automatically and with high repeatability, a quality evaluation that would be obtained from an expert, wherein the single LGQC of a lens is a unique transformation between said lens and a unique value, based on a deviations or error map of an appropriate and sufficiently large selected number of measurement points spread on the whole lens surface, said deviations map being built as the difference at each point between the measured map of actual respective through or surface optical power and the corresponding theoretical/reference map of respective through or surface optical power; said measured map of actual respective through or surface optical power being corrected by a correction performed according to the knowledge of the expected systematic deviations due to one or more manufacturing process steps which are independently controlled and evaluated; ...

Spectacle lens image sensing processing apparatus and spectacle lens positioning method

A spectacle lens image sensing processing apparatus irradiates the convex surface of a lens to be examined with light from a light source, projects an image of the convex surface onto a reflection screen placed on the concave surface side of the lens. The apparatus senses the image of the convex surface, projected on the reflection screen, by using an image sensing unit, and performs image processing for the image of the convex surface sensed by the image sensing unit by using an image processing unit, thereby detecting optical characteristics of the lens. The image sensing unit is placed together with the light source on the convex surface side of the lens. The image of the convex surface of the lens is reflected by the reflection screen to return to the convex surface side of the lens, thereby forming the image on the image sensing unit. A spectacle lens positioning method is also disclosed.

Method of Making Contact Lenses

본 발명은 콘택트 렌즈의 제조 방법에 관한 것이고, 방법은 몰드 반부 내에 생성된 렌즈의 편심을 식별하는 단계, 렌즈를 선반 가공하는 단계 및 편심을 고려하여 선반의 경로를 조정하는 단계, 및 선반을 제어하기 위한 컴퓨터 프로그램을 포함한다.

Method of manufacturing a spectacle lens according to at least one set of shape data

Method for producing a spectacle lens blank or a spectacle lens semi-finished product for a spectacle lens

本发明涉及一种用于提供用于根据磨边数据的至少一个数据集来制造眼镜镜片的眼镜镜片毛坯或眼镜镜片半成品的方法，并且涉及一种计算机程序产品。

Optical component and manufacturing method thereof

Lens parameter measuring method and measuring apparatus using optical section

Method and apparatus for inverting a flexible molding

A method for providing a flexible molding, in particular an ophthalmic lens such as a contact lens, in a predetermined orientation, comprises the steps of determining the actual orientation of the molding, and in case the molding has been determined as not having the predetermined orientation, inverting the flexible molding to the predetermined orientation.

Method for automated inline determination of the refractive power of an ophthalmic lens

A method for an automated inline determination of the refractive power of an ophthalmic lens (5) comprises the steps of providing an inspection cuvette comprising an optically transparent bottom (21 ) having a concave inner surface (210) and containing the ophthalmic lens (5) immersed in a liquid, and providing a light source (42) and a wavefront sensor (6) comprising a detector. The light coming from the light source (42) and having passed the ophthalmic lens (5) contained in the inspection cuvette and impinging on the detector generates signals at the detector. By comparing the signals generated at the detector with predetermined signals representative of a reference refractive power, the refractive power of the ophthalmic lens (5) is thereby determined.

Method for obtaining a geometric characterisation tool for an optical lens to be manufactured

The invention relates to a method (400) for obtaining a geometric characterisation tool (440) for a target optical lens, comprising: - a phase (402) of establishing a training base (BA) comprising, for a training optical lens: o a training assembly set comprising at least one characteristic parameter of at least one optical element of the training lens; and o a training geometric set (JGAi) comprising data relating to at least one geometric parameter of at least one optical interface of the training optical lens; and - a phase (420) of training a geometric characterisation model (440) with said training base (BA). The invention also relates to a device for obtaining a geometric characterisation tool, and a device and a method for geometric characterisation of optical lenses using such a geometric characterisation method.

Non-contact measuring method of curvature of ophthalmic supplies and measuring device implementing the method

Method of obtaining particulars of ophthalmic lens

A method of obtaining particulars or characteristics of an ophthalmic lens by detecting a fluorescent light which is emitted from the ophthalmic lens upon exposure to an excitation light (UV light). The particulars or characteristics of the ophthalmic lens include, for instance, identifying marks such as characters, figures, symbols, etc. which are formed in the ophthalmic lens to identify the ophthalmic lens, a thickness of the ophthalmic lens such as a contact lens and an intraocular lens, and an angular position of the ophthalmic lens, particularly of a special contact lens having circumferential portions having respective different thickness values.

Contact lens manufacture

A method for tracking multiple SKUs of contact lenses in a manufacturing line comprising the steps of: a) molding a plurality of contact lenses, b) providing a plurality of carriers each having a carrier indicator, c) inspecting each contact lens to determine information relating to its prescription, d) transferring each lens to a carrier, e) reading the carrier indicator of the carrier of step d) and f) storing in machine-accessible memory the information associated with the carrier indicator of the carrier of step (e) and the information relating to the lens for step (c).

Method for producing contact lenses with a lubricious surface

The invention is related to method for developing and producing contact lenses with a target lubricity profile as characterized by having a velocity-weighted average coefficient of friction, as determined by use of a lubricity test of the invention.

Production line for the production of ophthalmic lenses

An automated production line for the production of ophthalmic lenses comprises:a production line front end (1) comprising:a first injection-molding machine (10) and a second injection-molding machine (12)a casting module (14) comprisinga filling station (144) and a capping station (145);a stacking module (15) and a curing module (16);a destacking module (17) and a demolding and delensing modulea production line back end (2) comprising:a scalable treatment module (20) comprising a number of liquid baths for a liquid bath treatment of the cured lenses (CL) carried by the treatment carrier tray (200) to obtain the ophthalmic lenses, wherein the number of liquid baths are reduced or increased pending on the number of ophthalmic lenses concurrently produced by the production lines.

Process and machine for manufacturing an ophthalmic lens

A process for manufacturing an ophthalmic lens ( 10 ) having at least one optical function, includes: a step ( 100 ) of additively manufacturing the ophthalmic lens ( 10 ) by depositing a plurality of preset volume elements of at least one material having a preset refractive index in order to form a target geometric envelope; a step of determining an actual geometric envelope at least once during the implementation of the additive manufacturing step ( 100 ); and a step of triggering a corrective action if there is in a zone a discrepancy larger than a preset threshold between the target geometric envelope and the actual geometric envelope.

Camera lens manufacturing and processing technology

本发明涉及一种摄像头镜头制造加工工艺，采用了一种摄像头镜头制造加工装置，包括机架、放置弹簧杆、放置板、裁切机构、压制转动机构以及移动打磨机构，本发明可以解决以下难题：a传统的摄像头镜头制造加工过程中，由于不同场合下的摄像头规格不同，导致摄像头镜头尺寸大小不同，当需要对摄像头镜头进行切割处理时，需要频繁更换切割机构，造成工艺的繁琐，影响摄像头镜头成型效率；b传统的摄像头镜头在切割过程中，由于激光切割后高温产生的熔渣会附着在切割面上，如若不对高温产生的熔渣进行打磨处理，后续工人对镜头进行收集时会造成工人手部的划伤，同时切割面附着有熔渣影响镜头后续的安装，影响镜头的使用效果。

Process for hydrating soft contact lenses

본 발명은 중합체 콘택트 렌즈 불랭크로부터 가용물을 제거하기 위한 방법에 관한 것이다. 상기 콘택트 렌즈는 렌즈가 뒤집히거나 굴러다니지 않고 수화되도록 운반자내의 공동에 한정된다. 유체 유동은 렌즈로부터 가용물을 추출하기 위해 렌즈 주위의 공동 안으로 유입된다. 상기 방법은 사용된 유체의 용해량과 수화, 세척 및 추출을 위해 요구되는 시간을 현저히 감소시킨다. The present invention is directed to a method for removing solubles from a polymer contact lens blank. The contact lens is confined to a cavity in the carrier such that the lens is hydrated without flipping or rolling over. Fluid flow is introduced into the cavity around the lens to extract solubles from the lens. The method significantly reduces the amount of dissolved fluid used and the time required for hydration, washing and extraction.

How to release contact lenses from plastic molds

Inspection equipment for split system of contact lens

The present invention relates to an inspection device for a contact lens separation system. The device for inspecting the abnormality of a contact lens by mounting a contact lens produced by a casting method on a contact lens separation system for separating the contact lens from a mold comprises: a base unit (110) which is installed at a predetermined height on one side of a lens separation unit (11) of the separation system and having a driving means (111) mounted thereon; an inspection table (120) which is axially coupled to the driving means (111) at an upper side of the base unit (110) and intermittently rotates and stops in one direction according to a predetermined pitch; a fixing unit (121) which is arranged in a plural number in a circular shape on the inspection table (120) and is mounted so that a lens edge abuts on the bottom surface by receiving a contact lens from the lens separation unit (11); an inspection unit (130) which is mounted on the base unit (110) in the lower side of the inspection table (120) and inspects a contact lens by being included to face the bottom surface of a fixing unit (121) in a stopped state of the inspection table (120); and a lens discharge unit (150) which is installed in one side of the inspection table (120) and separately discharges each normal or abnormal contact lens by being connected to the inspection unit (130). The present invention is able to sort and discharge quickly by immediately and automatically inspecting the abnormality of a contact lens in the separation system.

Lens cuvette

Method of making contact lenses

本发明涉及一种制造隐形镜片的方法，所述方法包含鉴别在半模中制造的镜片的偏心率，车削所述镜片并且调节所述车床的路径以考虑所述偏心率，以及一种用于控制所述车床的计算机程序。

Method for automated in-line determination of center thickness of an ophthalmic lens

一种用于眼透镜的中心厚度的自动化线内确定的方法，所述方法包含下列步骤：提供包含具有凹内表面(210)的光学透明底部(21)和包含浸入液体中的所述透镜的检查池(2)，以及提供包含光源和将来自所述光源的光聚焦到所述透镜的设置位置(310)的聚焦探头(30)的干涉仪。聚焦探头(30)也将在所述透镜的所述后表面与所述液体之间的所述边界处反射的光，以及在所述透镜的所述前表面与所述液体之间的所述边界处，或在所述透镜的所述前表面与所述凹内表面(210)之间的所述边界处反射的光，导引到所述干涉仪的检测器。使用在所述透镜的所述后表面处与所述前表面处的所述各自边界处反射的所述光，确定所述透镜的所述中心厚度。

methods for forming variable optic ophthalmic devices including shaped liquid crystal elements

"métodos para a formação de dispositivos oftálmicos de óptica variável que incluem elementos de cristal líquido conformados". a presente invenção refere-se a métodos e um aparelho para fornecimento de uma lente oftálmica de potência óptica variável. o elemento de inserção com óptica variável pode ter superfícies dentro da qual apresenta diferentes raios de curvatura. o elemento de inserção de óptica variável pode compreender também elementos polarizantes. em alguns exemplos, uma peça óptica intermediária pode ser formada para compreender um corante capaz de absorver luz uv, permitindo processamento diferencial das regiões em ambos os lados da peça óptica intermediária. em algumas modalidades, uma lente oftálmica é moldada em molde a partir de um hidrogel de silicone. as diversas entidades de lente oftálmica podem incluir camadas de cristal líquido eletroativo para controlar eletricamente características refrativas. "Methods for the formation of variable optic ophthalmic devices including shaped liquid crystal elements". The present invention relates to methods and apparatus for providing an optically variable ophthalmic lens. The variable optic insertion element may have surfaces within which it has different radii of curvature. the variable optic insertion element may also comprise polarizing elements. In some instances, an intermediate optical part may be formed to comprise a dye capable of absorbing UV light, allowing differential processing of the regions on either side of the intermediate optical part. In some embodiments, an ophthalmic lens is molded from a silicone hydrogel. The various ophthalmic lens entities may include electroactive liquid crystal layers to electrically control refractive characteristics.

Process for hydrating soft contact lenses

Device for image recording and image processing in spectacle lenses and method for positioning these lenses

Production line for the production of ophthalmic lenses

An automated production line for the production of ophthalmic lenses comprises:a production line front end comprising:a first and a second injection-molding machine,a casting module,a filling station and a capping station,a stacking module and a curing module,a destacking module and a demolding and delensing modulea production line back end comprising:a treatment module,an inspection module,wherein self-driving shuttles in the inspection module can form a queue and act as a buffer for the primary packaging module if an interruption of the primary packaging module and variations of the cycle time in the primary packaging module are buffered so that the extraction module is able to operate largely independently from the upstream and downstream components of the manufacturing line.

A method of determining the position of an optical lens member

Method implemented by computer means, for determining the position of an optical lens member having a surface placed on a lens blocking ring, the blocking ring comprising a bearing zone arranged to bear at least partially a placed known surface of the optical lens member when said known surface of the optical lens member is placed on the lens blocking ring and hold by a force applied on the optical lens member, the method comprises finding a trio of points of the bearing zone that forms a triangle comprising the projection on the main plane of the point of application of said force; and a position of the optical lens having a virtual contact between the placed known surface and the ring at the location of said trios of points.

process and machine for making an ophthalmic lens

resumo patente de invenção: "processo e máquina de fabricação de uma lente oftálmica". a presente invenção refere-se a um método de fabricação de uma lente oftálmica (10) tendo pelo menos uma função óptica, caracterizado por compreender: a etapa de fabricação de forma aditiva (100) da referida lente oftálmica (10) através da deposição de uma pluralidade de elementos de volume predeterminados de pelo menos um material possuindo um índice de refracção predeterminado, de acordo com um envelope geométrico alvo; a etapa de determinar um envelope geométrico real, pelo menos uma vez durante a implementação da referida etapa de fabricar de forma aditiva (100); e a etapa de desencadear uma ação corretiva, se existe na área uma diferença maior do que um limiar predeterminado entre o referido envelope geométrico alvo e o referido envelope geométrico real. 1/1 patent summary: "process and machine for manufacturing an ophthalmic lens". The present invention relates to a method of manufacturing an ophthalmic lens (10) having at least one optical function, comprising: the additively manufacturing step (100) of said ophthalmic lens (10) by depositing a plurality of predetermined volume elements of at least one material having a predetermined refractive index according to a target geometric envelope; the step of determining a real geometric envelope at least once during the implementation of said additive manufacturing step (100); and the step of triggering a corrective action, if there is in the area a difference greater than a predetermined threshold between said target geometric envelope and said actual geometric envelope. 1/1

Process for hydrating soft contact lenses

A process for releasing leachable substances from a polymeric contact lens blank. The contact lens is confined in a cavity within a carrier to permit the hydration of the lens without permitting it to invert or roll over. A fluid flow is introduced into the cavity about the lens to extract leachable material from the lens. The process significantly reduces the amount of leaching fluid that is used and the amount of time that is needed for hydration, washing and extraction.

Automated inspection of colored contact lenses

The present invention relates to a method for manufacturing colored contact lenses, and in particular to automated inspection of colored images printed either on molds or on contact lenses.

Process for hydrating soft contact lenses

将可沥滤物质从聚合物隐形眼镜片坯中释出的方法。将隐形眼镜片限制在传载件的腔中，将镜片水合，使之不致颠倒翻滚。将一个液流引入腔口，包围镜片，从镜片中提取可沥滤物质。该方法可相当大地减少沥滤液使用量，和水合、冲洗及提取步骤需要的时间。

Production line for the production of ophthalmic lenses

An automated production line for the production of ophthalmic lenses comprises: - a production line front end (1) comprising: - a first injection-molding machine (10) and a second injection-molding machine (12) - a casting module (14) comprising - a filling station (144) and a capping station (145); - a stacking module (15) and a curing module (16); - a destacking module (17) and a demolding and delensing module - a production line back end (2) comprising: - a scalable treatment module (20) comprising a number of liquid baths for a liquid bath treatment of the cured lenses (CL) carried by the treatment carrier tray (200) to obtain the ophthalmic lenses, wherein the number of liquid baths are reduced or increased pending on the number of ophthalmic lenses concurrently produced by the production lines.

Ophthalmic lens processing system

本发明披露了一种眼科镜片处理规划系统，该眼科镜片处理规划系统接收：来自消费者镜片订单的镜片与眼科镜片处理信息、用于施加来自该消费者订单的一种或多种眼科镜片处理的可用设备的标识、以及该可用设备的性能和参数。该眼科镜片处理规划系统制定最佳眼科镜片处理计划，该最佳眼科镜片处理计划有待由用于向该镜片施加来自该消费者订单的该一种或多种眼科镜片处理的该可用设备实施。在向该镜片施加该最佳眼科镜片处理计划之后，可以测量所得镜片以便提供最新结果，并且这些最新结果可以被反馈给该眼科镜片处理规划系统从而向该眼科镜片处理规划系统提供该可用设备的进一步性能和参数。

Methods for forming variable optic ophthalmic devices including shaped liquid crystal elements

本發明揭示用於提供具有可變光學倍率的眼用鏡片之方法及設備。可變光學插件可具有在其內曲率半徑不同的表面。可變光學插件亦可包含偏振元件。在一些實例中，可形成中間光學件以包含UV吸收染料，允許差別處理中間光學件之任一側的區域。在一些實施例中，眼用鏡片係由聚矽氧水凝膠鑄造模製。各種眼用鏡片實體可包括電活性液晶層以電控制折射特性。

Process for hydrating soft contact lenses

Cuvette for lens inspection

The invention relates to a cell for an ophthalmic lens, for testing the latter with an optical inspection system, said cell comprising a hollow space (11, 31) which is filled with a liquid and has an axis (12, 32) coinciding, in the test position, with the optical axis of an inspection system and, in the test position of the cell, is delimited from above by a viewing glass (13, 33) for the optical test and has, underneath the viewing glass, a test trough (14, 34) for the ophthalmic lens. Between viewing glass (13, 33) and test trough (14, 34), at least one insertion channel (15, 35) opens into the hollow space (11, 31 ), the ophthalmic lens being able to be inserted into the hollow space (11, 31) through the outer insertion opening (16, 36) of said insertion channel (15, 35).

Ophthalmic lens treatment system

An ophthalmic lens treatment planning System receives lens and ophthalmic lens treatment information from a customer lens order, identification of available equipment to apply ophthalmic lens treatment(s) from the customer order, and performance and parameters of the available equipment. The ophthalmic lens treatment planning System formulates an optimal ophthalmic lens treatment plan to be implemented by the available equipment to apply the ophthalmic lens treatment(s) from the customer order to the lens. Following application of the optimal ophthalmic lens treatment plan to the lens, the resulting lens may be measured to provide last run results and the last run results may be fed back to the ophthalmic lens treatment planning System to provide further performance and parameters of the available equipment to the ophthalmic lens treatment planning System.

Visualisation of the ultraviolet radiation reflection power of a glasses lens

According to the invention, in order to visualise the ultraviolet radiation reflection power of a glasses lens (10), a face of said lens is exposed to an ultraviolet radiation in order to reflect a portion of said radiation. The portion of the reflected radiation then activates a developer surface (3) having a visual appearance that changes under the influence of the received ultraviolet radiation. The developer surface is watched in real time by an observer (100). Such a visualisation is particularly quick, simple and demonstrative, and can be used in an optician's shop to help a client chose a glasses lens.

Process of soft contact lenses hydration

Printing system and method for printing a three-dimensional optical structure, providing real-time quality control of the printed optical structure

Cuvette for lens inspection

The invention relates to a cell for an ophthalmic lens, for testing the latter with an optical inspection system, said cell comprising a hollow space ( 11, 31 ) which is filled with a liquid and has an axis ( 12, 32 ) coinciding, in the test position, with the optical axis of an inspection system and, in the test position of the cell, is delimited from above by a viewing glass ( 13, 33 ) for the optical test and has, underneath the viewing glass, a test trough ( 14, 34 ) for the ophthalmic lens. Between viewing glass ( 13, 33 ) and test trough ( 14, 34 ), at least one insertion channel ( 15, 35 ) opens into the hollow space ( 11, 31 ), the ophthalmic lens being able to be inserted into the hollow space ( 11, 31 ) through the outer insertion opening ( 16, 36 ) of said insertion channel ( 15, 35 ).

Method of making contact lenses

The invention relates to a method of making a contact lens, the method comprising identifying the eccentricity of a lens produced in a mould half, lathing the lens and adjusting the path of the lathe to take account of the eccentricity, and a computer programme for controlling the lathe.

Device and method for measuring interfaces of an optical element

L’invention concerne un dispositif pour mesurer la forme d’interfaces d’un élément optique, comprenant : au moins une source lumineuse à faible cohérence ; au moins un capteur optique ; un interféromètre pour : former au moins un faisceau de mesure et au moins deux faisceaux de référence, diriger l’au moins un faisceau de mesure vers l’élément optique de sorte à traverser les interfaces, diriger la lumière issue d’au moins deux interfaces vers l’au moins un capteur, l’au moins un capteur étant configuré pour détecter sélectivement au moins deux signaux d’interférences entre l’au moins un faisceau de mesure réfléchi par une interface et l’un des faisceaux de référence; des moyens pour positionner une zone de cohérence au niveau de chacune des au moins deux interfaces ; des moyens pour produire, à partir des signaux, une information de forme de chaque interface. Figure pour abrégé : Fig. 4 A device for measuring the shape of interfaces of an optical element, comprising: at least one low coherence light source; at least one optical sensor; an interferometer for: forming at least one measurement beam and at least two reference beams, directing the at least one measurement beam to the optical element so as to pass through the interfaces, directing light from the at least two interfaces to the at least one sensor, the at least one sensor being configured to selectively detect at least two interference signals between the at least one measurement beam reflected by an interface and one of the reference beams; means for positioning a coherency zone at each of the at least two interfaces; means for producing, from the signals, information about the shape of each interface. Figure for abstract: Fig. 4

Contact lens manufacture

A method for tracking multiple SKUs of contact lenses in a manufacturing line comprising the steps of: a) moulding a plurality of contact lenses, b) providing a plurality of carriers each having a carrier indicator, c) inspecting each contact lens to determine information relating to its prescription, d) transferring each lens to a carrier, e) reading the carrier indicator of the carrier of step d) and f) storing in machine-accessible memory the information associated with the carrier indicator of the carrier of step (e) and the information relating to the lens for step (c).

Printing system and method for printing a three-dimensional optical structure, providing real-time quality control of the printed optical structure

Devices and methods for inspecting optical elements with a view to contamination

Described is an examination system ( 1 ) for locating contamination ( 2 ) on an optical element ( 4 ) installed in an optical system ( 5 ), which examination system ( 1 ) comprises: a spatially resolving detector ( 6 ); imaging optics ( 7 ) that magnify in particular at a magnification of between 2 times and 100 times, for magnified imaging of a surface sub-region ( 3 a ) of the optical element ( 4 ) on the spatially resolving detector ( 6 ); as well as a movement mechanism ( 12 ), in particular a motorized movement mechanism ( 12 ), for displacing the imaging optics ( 7 ) together with the detector ( 6 ) relative to the surface ( 3 ) of the optical element ( 4 ) such that any desired surface sub-region of the surface ( 3 ) can be imaged at magnification.

Automated inspection of colored contact lenses

THE PRESENT INVENTION RELATES TO A METHOD FOR MANUFACTURING COLORED CONTACT LENSES, AND IN PARTICULAR TO AUTOMATED INSPECTION OF COLORED IMAGES PRINTED EITHER ON MOLDS OR ON CONTACT LENSES.

Polarizing lens for spectacles, method of manufacturing polarizing lens for spectacles, method of inspecting polarizing lens for spectacles, and method of manufacturing spectacles with frame

在物体侧的面上形成有旋转对称非球面的眼镜用偏振镜片中，提供能够与通常的镜片相同地使镜片薄型化的技术。眼镜用偏振镜片具有：第一镜片基材，具有形成有作为旋转对称非球面的凸面的物体侧的面；具有眼球侧的面的第二镜片基材；以及偏振膜，配置于第一镜片基材与第二镜片基材之间，朝向物体侧的面具有凸形状，物体侧的面与偏振膜的距离W的面内分布具有同心性。

Production line for the production of ophthalmic lenses

一種用於生產眼科透鏡的自動化生產線包括：- 生產線前端（1），包括：- 第一注塑成型機（10）和第二注塑成型機（12）- 鑄造模組（14），該鑄造模組包括- 填充工位（144）和封蓋工位（145）；- 堆疊模組（15）和固化模組（16）；- 拆開模組（17）和脫模與脫透鏡模組 - 生產線後端（2），該生產線後端包括：- 檢查模組（21）；其中，檢查模組包括導軌系統，在該導軌系統中，承載檢查小杯的自驅動式梭子佈置在閉環導軌上，其中，導軌系統可以使用曲線和直線部分以從模型鐵路已知的方式來適應生產車間/大廳中的可用空間。

Testing device and method for measuring the homogeneity of an optical element

Die Erfindung betrifft eine Prüfvorrichtung (1) zur Vermessung der Homogenität eines optischen Elements (10) in einem Strahlengang (5) der Prüfvorrichtung, die ein Interferometer (2) enthält, das eine monochromatisch Lichtquelle (3), ein anpassbares Objektiv (6), eine Referenzfläche (7), die einer Oberfläche des zu prüfenden optischen Elements oder einer Interferometrie-Oberfläche (16) zugeordnet ist, und eine Analyseeinheit (8) für die Interferenz der Wellenfronten des von der Referenzfläche (7) und der zugehörigen Oberfläche des zu prüfenden optischen Elements oder der Interferometrie-Oberfläche reflektierten Lichts umfasst. Die Erfindung betrifft weiterhin ein entsprechendes Verfahren. Ihre Aufgabe ist es, eine Prüfvorrichtung und ein Verfahren zur hochpräzisen Vermessung der Homogenität eines optischen Elements - nicht nur einzelner Flächen sondern der Gesamtheit des optischen Elements - bereitzustellen, das insbesondere auch für die hochpräzise Vermessung von Kunststoff-Linsen bzw. anderen Spritzguss-Komponenten für die refraktive Augen-Laserchirurgie geeignet ist. Diese Aufgabe wird gelöst durch eine Referenzfläche die der der Prüfvorrichtung abgewandten Oberfläche (11) des optischen Elements oder einer Interferometrie-Oberfläche im Strahlengang hinter dem zu prüfenden optischen Element zugeordnet ist, bevorzugt unter Zuhilfenahme eines Kompensationselements (9) zur Kompensation der monochromatischen Aberration.

High precision nanoscale thin film fabrication processes

A method for fabricating one or more elements in a multi-lens column. Drops of ultraviolet (UV)-curable liquid are dispensed by an inkjet on a substrate, which may be supported by a chuck. A non-uniform liquid film is then formed, such as by spreading and merging of the inkjetted drops. The film is then locally heated, such as by using a digital micromirror device array. The film is then cured by exposing it to UV light, where the cured film together with the substrate form an element of the multi-lens column. The substrate is then brought to a metrology station where optical metrology is performed on the cured film and the substrate for quality control.

Production line for the production of ophthalmic lenses

An automated production line for the production of ophthalmic lenses comprises: - a production line front end (1) comprising: - a first injection-molding machine (10) and a second injection-molding machine (12) - a casting module (14) comprising - a filling station (144) and a capping station (145); - a stacking module (15) and a curing module (16); - a destacking module (17) and a demolding and delensing module - a production line back end (2) comprising: - a scalable treatment module (20); - an inspection module (21); - a primary packaging module (22), Wherein the first and second injection-molding machines allow for a quick exchange of the tooling plates used in the injection molding machine without the need to decrease the temperature of the injection molding machine by pre-configured tooling plates.

High-precision nanoscale thin film fabrication process

マルチレンズカラムにおける１つ又は複数の要素を作製するための方法。紫外線（ＵＶ）硬化性液体の滴は、チャックによって支持され得る基板上にインクジェットによって吐出される。不均一な液膜が次いで、インクジェットされた滴の広がりと合流などによって形成される。膜が次いで、デジタルマイクロミラーデバイスアレイを使用するなどによって局所的に加熱される。膜が次いで、ＵＶ光に露出させることによって硬化され、ここで、硬化膜は、基板とともにマルチレンズカラムの要素を形成する。基板は次いで、計測ステーションにもたらされ、そこで、品質制御のために、硬化膜と基板に対して光学的計測が行われる。

Method and apparatus for inverting a flexible molding

A method for providing a flexible molding, in particular an ophthalmic lens such as a contact lens (CL), in a predetermined orientation, comprises the steps of determining the actual orientation of the molding (CL), and in case the molding has been determined as not having the predetermined orientation, inverting the flexible molding (CL) to the predetermined orientation.

Ophthalmic lens processing system

本发明披露了一种眼科镜片处理规划系统，该眼科镜片处理规划系统接收：来自消费者镜片订单的镜片与眼科镜片处理信息、用于施加来自该消费者订单的一种或多种眼科镜片处理的可用设备的标识、以及该可用设备的性能和参数。该眼科镜片处理规划系统制定最佳眼科镜片处理计划，该最佳眼科镜片处理计划有待由用于向该镜片施加来自该消费者订单的该一种或多种眼科镜片处理的该可用设备实施。在向该镜片施加该最佳眼科镜片处理计划之后，可以测量所得镜片以便提供最新结果，并且这些最新结果可以被反馈给该眼科镜片处理规划系统从而向该眼科镜片处理规划系统提供该可用设备的进一步性能和参数。

Optical evaluation of lenses and lens molds

렌즈부 및 평행 평면부를 포함하는 투명 광요소에 대한 정보를 결정하는 방법에 있어서, 상기 렌즈부는 적어도 하나의 만곡면을 포함하고, 상기 평행 평면부는 서로 반대측인 제 1 및 제 2 면을 포함하는, 방법은: 측정광을 상기 투명 광요소로 지향시키는 단계; 상기 평행 평면부의 제 1 면 상의 적어도 하나의 위치로부터 반사된 측정광을 검출하는 단계; 상기 제 1 면 상의 적어도 하나의 위치에 대응하는 위치에서 상기 평행 평면부의 제 2 면으로부터 반사된 측정광을 검출하는 단계; 검출된 광에 기초하여, 상기 평행 평면부에 대한 정보를 결정하는 단계; 및 상기 평행 평면부에 대한 정보에 기초하여, 상기 투명 광요소를 평가하는 단계를 포함한다.

Optical evaluation of lenses and lens molds

렌즈부 및 평행 평면부를 포함하는 투명 광요소에 대한 정보를 결정하는 방법에 있어서, 상기 렌즈부는 적어도 하나의 만곡면을 포함하고, 상기 평행 평면부는 서로 반대측인 제 1 및 제 2 면을 포함하는, 방법은: 측정광을 상기 투명 광요소로 지향시키는 단계; 상기 평행 평면부의 제 1 면 상의 적어도 하나의 위치로부터 반사된 측정광을 검출하는 단계; 상기 제 1 면 상의 적어도 하나의 위치에 대응하는 위치에서 상기 평행 평면부의 제 2 면으로부터 반사된 측정광을 검출하는 단계; 검출된 광에 기초하여, 상기 평행 평면부에 대한 정보를 결정하는 단계; 및 상기 평행 평면부에 대한 정보에 기초하여, 상기 투명 광요소를 평가하는 단계를 포함한다.

Method for determining the position of an optical lens member

一种由计算机装置实现的、用于确定表面放置在镜片封阻环上的光学镜片构件的位置的方法，所述封阻环包括承载区，所述承载区被布置成当所述光学镜片构件的已知表面放置在所述镜片封阻环上并且被施加在所述光学镜片构件上的力所固持时至少部分地承载所述光学镜片构件的所述放置的已知表面，所述方法包括：找到所述承载区的形成包括施加所述力的点在所述主平面上的投影的三角形的三点组；以及将所述光学镜片定位成使所述放置的已知表面与所述环在所述三点组的位置上虚拟地接触。