737 patents
Page 14 of 37
Utility
Multifunctional device for an ophthalmic lens
14 Jun 22
A multifunctional device for an ophthalmic lens or ophthalmic lens blank, comprising an electrochromic layered module and an ophthalmic power layered module, both modules being on the same support layer.
Denis Rousseau, Denis Cohen Tannoudji
Filed: 21 Jun 18
Utility
Method for filter selection
14 Jun 22
The present invention relates to a method implemented by computer means of selecting an optical filtration of an ophthalmic device for a wearer, the method comprising: —obtaining wearer's preferences relatively to at least one predetermined type of visual environment comprising multispectral or hyper spectral data; —selecting at least one filter: —corresponding to said wearer's preferences relatively to said at least one predetermined type of visual environment, and —determined on the basis of said multispectral or hyper spectral data.
Marie Dubail, Sophie Jost, Coralie Cauwerts
Filed: 27 Jun 18
Utility
Methods and Systems for Optimizing an Optical Function of a Progressive Ophthalmic Lens Under Specific Wearing Conditions
9 Jun 22
Disclosed is a method for determining an optical function of a progressive ophthalmic lens for a wearer, including: providing a prescription of the wearer; providing wearing data including at least a numerical parameter; providing by at least one processor a set of predefined optical functions including at least a first predefined optical function adapted to the prescription of the wearer and to a first predefined wearing parameter and a second predefined optical function for the prescription of the wearer and to at least a second predefined wearing data parameter, the second predefined optical function being different from the first; and determining an optical function of the progressive ophthalmic lens, so: when the wearing data parameter≥a threshold value, the optical function of the lens=first predefined optical function, and when the wearing data parameter<the threshold value, the optical function=the second predefined optical function.
Cécile PETIGNAUD, Marie-Gaelle FROELIGER, Nacer LAKHCHAF, Bénédicte DELDALLE
Filed: 13 Apr 20
Utility
a Device and Method for Evaluating a Performance of a Visual Equipment for a Visual Task
9 Jun 22
A device for evaluating a performance of a target visual equipment for a visual task includes: at least one input adapted to obtain data) representative as a function of time of measurements of at least one parameter associated with an initial wearer of an initial visual equipment performing the task in a scene, obtain a model of the scene, of a target wearer; at least one processor configured for virtually performing the task with the target equipment by using the scene and target wearer models, and by applying the representative data) as a function of time to the target wearer model; determining, on the basis of the virtual performing, at least one parameter of interest; providing the same, to determine to which extent the target equipment is appropriate for the target wearer, by evaluating the performance of the target equipment as a function of the parameter of interest.
Sébastien FRICKER, Konogan BARANTON, Delphine TRANVOUEZ-BERNARDIN, Cyril GUILLOUX
Filed: 19 Mar 20
Utility
Lens element
7 Jun 22
A lens element worn in front of an eye of a person includes a refraction area having a first refractive power based on a prescription for correcting an abnormal refraction of the eye of the person and a second refractive power different from the first refractive power and a plurality of at least three optical elements, at least one optical element having an optical function of not focusing an image on the retina of the eye so as to slow down the progression of the abnormal refraction of the eye.
Matthieu Guillot, Björn Drobe
Filed: 21 Jun 21
Utility
Method for determining a specific near vision power of an ophthalmic lens
7 Jun 22
Disclosed is a method for determining a specific near vision power of an ophthalmic lens to be provided to a wearer having an ophthalmic prescription, the specific near vision power being for near distance vision, the method including: an ophthalmic lens providing step during which at least an ophthalmic lens having a near distance vision zone including a mean power adapted for near distance vision is provided to the wearer; a near vision task speed determining step during which the processing speed of a near vision task by the wearer when wearing the provided ophthalmic lens is determined; wherein the ophthalmic lens providing step and the near vision task speed determining step are repeated with ophthalmic lenses having different mean power, so as to determine a specific near vision power corresponding to the mean power providing an improved near vision task processing speed.
Martha Hernandez Castaneda, Paul Joret, Jean-Luc Perrin, Cyril Guilloux
Filed: 30 Apr 18
Utility
Polarized Lenses Comprising Mix of Nir Dyes for Broad Nir Protection
2 Jun 22
Disclosed are optical elements and the methods of producing the same.
Haifeng SHAN, Hao-Wen CHIU
Filed: 23 Mar 20
Utility
Method for permanent visible marking of an optical article and marked optical article
31 May 22
Disclosed is a method for marking an optical article coated with an interference coating including at least two layers, an inner layer and an outer layer, and having reflection coefficient Re; by exposure of the inner layer, at a marking point, by way of a laser beam at a marking wavelength, in such a way as to ablate the inner layer and any layer further away from the substrate; the ablated area having a reflection coefficient Rm different from Re by at least 1%; the inner layer absorbing the marking wavelength to a greater degree than any layer further away from the substrate.
Sébastien Maurice, Gerhard Keller, Michèle Thomas
Filed: 18 Jul 17
Utility
Optical element, assembly comprising such an optical element and method of manufacturing an optical element
17 May 22
An optical element includes an optical lens produced by an additive manufacturing method and a holder formed at least in part with the optical lens by the additive manufacturing method.
Laurent Chabin, Xavier Bultez, Guy Schott
Filed: 19 Jun 18
Utility
Method for determining the position of the eye rotation center of the eye of a subject, and associated device
17 May 22
Disclosed is a method for determining the position of the eye rotation center of a subject's eye including: providing a geometric model of an eye, the eye being modeled with one sphere for the sclera and one ellipsoid for the cornea of the eye, the position of the eye rotation center being the distance between a center of the sclera and an apex of the cornea and being determined based on a set of personal parameters including a first geometric dimension of the eye, each personal parameter distinct from the position of the eye rotation center; determining a value of each personal parameter; and determining a first approximate value of eye position rotation center based on the geometric model using the personal parameters.
Didier Grand-Clement
Filed: 29 Jun 18
Utility
Optometry Device for Testing an Individual's Eye and Associated Method
12 May 22
An optometry device for testing an individual's eye, includes a refraction test unit having an optical system for providing different vision correction powers close to the eye of the individual, and a display unit adapted to produce a visual test image for the individual's eye, the visual test image being visible through an exit aperture of the test unit of the optometry device.
Stéphane BOUTINON, Léonard HARTMANN, Bernard BRECHEMIER, Mai-Lan BOYTARD
Filed: 20 Mar 20
Utility
a Device and Method for Evaluating a Performance of a Visual Equipment for a Visual Task
12 May 22
This device for evaluating a performance of a visual equipment for at least one wearer of that equipment to perform at least one visual task includes: at least one input adapted to obtain a model of a scene where the task is performed, a model of the task including a sequence of points to be looked at, a model of the wearer including a movable head and at least one rotationally movable eye; at least one processor configured for determining a head posture for at least one of the points so that the model of the wearer looks respectively at that point, determining at least one task-directed performance parameter for the wearer performing the task with the head posture for that point, on the basis of the wearer, scene and task models, providing the task-directed performance parameter for determining to which extent the equipment is appropriate for the wearer.
Sébastien FRICKER
Filed: 20 Mar 20
Utility
Ophthalmic Lens Comprising an Oxazolone
12 May 22
The present invention relates to ophthalmic lenses comprising an oxazolone, a preparation method thereof and the use of an oxazolone in an ophthalmic lens to absorb blue light.
Supitchaya IAMSAARD, Pierre FROMENTIN
Filed: 11 Dec 19
Utility
Method and system for determining a pupillary distance of an individual
10 May 22
A method for determining a pupillary distance of an individual, includes the following steps: —displaying an object on a screen located in front of the individual, the displayed object being positioned at a location in front of one eye of the individual; —instructing the individual to look with at least the eye at the displayed object; —acquiring at least an image of a part of the body of the individual including the eye; —determining the location of a plurality of specific features in the acquired image, one of the specific features being a pupil of the eye of the individual; and —calculating the pupillary distance based on the location of the plurality of specific features.
Charles Lebrun, Cécile Petignaud, Alvin François
Filed: 15 Jun 18
Utility
Method for determining a parameter of an optical device comprising at least an optical lens
10 May 22
Disclosed is a method for determining a parameter of an optical device including at least an optical lens, the method including: an optical system providing step, during which an optical system including a visual target, the optical device and an image acquisition module is provided in an initial configuration state, a parameter determining step during which a parameter of the optical device is determined based on the blur level of the images of the visual target acquired by the image acquisition module through the optical device in at least two different configuration states.
Dominick Hubacz, Stéphane Gueu
Filed: 22 Feb 16
Utility
Composition for the manufacture of an ophthalmic lens comprising an encapsulated light-absorbing additive
10 May 22
The present invention relates to a thermosetting composition for the manufacture of an ophthalmic lens which efficiently absorbs light rays without degradation of the light-absorbing additive, said composition comprising an allyl monomer or oligomer, a catalyst, at least one light-absorbing additive contained in nanoparticles which are dispersed in said allyl monomer or allyl oligomer.
Pierre Fromentin, Sanya Hokputsa
Filed: 9 Aug 17
Utility
Method of ordering an ophthalmic lens and corresponding system
10 May 22
A method of ordering an ophthalmic lens comprises the following steps: —obtaining data representative of a desired correction for a wearer's eye; —determining (S6, S8), using an electronic device, a lens power to be measured on a lensmeter based on the obtained data and on at least one parameter defining an expected position of the lens with respect to the wearer's eye, wherein the lens power corresponds to the power measured on the lensmeter for a lens adapted to provide the desired correction to the wearer's eye when placed at the expected position with respect to the wearer's eye; —ordering (S10) the ophthalmic lens specifying the determined power.
Gilles Le Saux, Stephane Boutinon, Cecile Pietri, Helene De Rossi
Filed: 4 Mar 16
Utility
Optical lens for correcting color vision
10 May 22
The present invention relates to optical lens for correcting color vision for individuals with color vision deficiency comprising a substrate and an absorbing dye which has at least a minimum light transmission factor at a wavelength ranging from 515 nm to 80 nm that is lower than or equal to 40% and quickly varying transmission around 500 nm and around 595 nm.
Marie Dubail, Montserrat Burgos, Charlène Pousse, Michèle Thomas, Xiaohong Zhang
Filed: 19 Sep 18
Utility
Eyewear Comprising a Variable Optical Filter System and Methods for the System and Eyewear
5 May 22
An eyewear, including a first receptacle and a second receptacle; a first lens element received in the first receptacle; and a light sensor configured to detect incident light and provide a sensor signal based on the detected incident light.
Daniel SPIEGEL
Filed: 5 Mar 20
Utility
Article Coated with a Low Refractive Index Layer Based on Fluorinated Organosilicon Compounds
28 Apr 22
The present invention relates to an article comprising a substrate having at least one main surface coated with a layer A having a refractive index lower than or equal to 1.50, said layer A being obtained by deposition of activated species issued from at least one compound C in gaseous form, containing in its structure at least one Si-fluoroalkyl group, at least one carbon atom, at least one hydrogen atom and optionally at least one nitrogen atom and/or at least one oxygen atom, the deposition of said layer A being carried out by applying a bombardment with an ion beam to layer A while layer A is being formed, and said layer A being formed in the absence of inorganic precursor compounds.
Oleg ZABEIDA, William TROTTIER-LAPOINTE, Ludvik MARTINU
Filed: 4 Feb 20