737 patents
Page 17 of 37
Utility
a Method and Device for Building a Model for Predicting Evolution Over Time of a Vision-related Parameter
27 Jan 22
This method for building a prediction model for predicting evolution over time of at least one vision-related parameter of at least one person includes: obtaining successive values respectively corresponding to repeated measurements over time of at least one parameter of a first predetermined type for at least one member of a group of individuals; obtaining evolution over time of the vision-related parameter(s) for the member(s) of the group of individuals; building by at least one processor the prediction model, including associating at least part of the successive values with the obtained evolution over time of the vision-related parameter(s) for the member(s) of the group of individuals, the associating including jointly processing the at least part of the successive values associated with a same one of the parameter(s) of the first predetermined type.
Bjorn DROBE, Aurélie LE CAIN, Yee Ling WONG
Filed: 4 Dec 19
Utility
Ophthalmic Device with a Blinking Illuminating Element for Reducing Dyslexia Effects
27 Jan 22
An ophthalmic device for reducing dyslexia effects for a wearer including a frame intended to be worn by the wearer and a blinking illuminating element coupled to the frame comprising at least one light source configured to emit light in front of the wearer's head so as to lighten a medium observed by the wearer, said at least one light source being configured to be successively switched on and switched off at a predetermined frequency when the blinking illuminating element is activated.
Guillaume GIRAUDET, Nicolas LAVILLONNIERE
Filed: 19 Sep 19
Utility
Optical Articles with Specific Color Glare
27 Jan 22
The optical articles disclosed herein render polarized glare in a certain tunable color that is visually more perceptive than a regular tinted lens or a regular polarized lens.
Srinivasan BALASUBRAMANIAN, Aref JALLOULI, Christelle MARCK
Filed: 4 Dec 19
Utility
Optical component comprising liquid crystals in a blue phase and process for making such optical component
25 Jan 22
An optical component including a first layer, a second layer and a bulk sandwiched between the first and second layers, where the bulk is formed by a composition containing a liquid crystal material which is in a blue phase.
Eva Oton, Fuyuhiko Inoue, Toshiki Nakano, Estelle Netter, Yukiko Katayama
Filed: 18 Nov 16
Utility
Process of Correction of the Shift Due to Temperature of the Optical Power of an Active Lens of a Phoropter and Related Phoropter and Optometry System
20 Jan 22
A process, phoropter, and an optometry system, the process being for correction of the shift of the optical power of an active lens in a phoropter due to a temperature change over time, the active lens including a container filled with a liquid and having a deformable curvature membrane under the action of an actuator controlled by an optical power control command, the shift being that the active lens provides an actual optical power that is different from the expected optical power corresponding to the optical power control command.
Didier GRAND-CLEMENT, Philippe PINAULT, Yones SIDIQ DE LABRUSSE
Filed: 20 Nov 18
Utility
Method for Determining a Refraction Feature of an Eye of a Subject, and Associated Portable Electronic Device
20 Jan 22
The method includes the steps of: a) illuminating the pupil of an eye of a subject by a light source of a portable electronic device, the light source being formed by a lighted area displayed on a screen of the portable electronic device; b) acquiring a picture of the pupil of the eye of the subject by an image-capture apparatus of the portable electronic device, the picture including an image of the reflection of the light source on the retina of the eye; and c) determining a refraction feature of the eye taking into account at least a geometrical feature, a positional feature or an intensity distribution of the image of the reflection.
Gildas MARIN, Stéphane BOUTINON
Filed: 19 Dec 19
Utility
System, Device, and Method for Determining Optical Article Feasibility
20 Jan 22
A method, system, and non-transitory computer readable medium for determining optical article feasibility are provided.
Elliott MACKAY, Manuel ORDAZ, Ashley SIMS, Bernard PHANH
Filed: 9 Dec 19
Utility
Plateau-based control of the transmission of a variable transmission lens
18 Jan 22
The invention relates to a variable transmittance device including at least one variable transmittance lens and a control circuit comprising at least one sensor suitable for measuring an illuminance (E), the control circuit being suitable for automatically controlling the value of the transmittance of the variable transmittance lens depending on the illuminance (E) measured by the sensor, wherein the control circuit defines a plurality of successive illuminance ranges (P) each illuminance range (P) being bounded by a minimum illuminance value (Emin) and a maximum illuminance value (Emax), and wherein the control circuit is suitable for controlling the transmittance of the lens to a plurality of setpoint transmittance values (Tv) respectively corresponding to said plurality of illuminance ranges (P).
Marius Peloux, Cedric Gilbert, Samuel Archambeau
Filed: 7 Jul 16
Utility
Method and system for measuring refraction, method for the optical design of an ophthalmic lens, and pair of glasses comprising such an ophthalmic lens
18 Jan 22
Disclosed is a method for measuring the refraction of an individual by a refraction measuring appliance, including: an initial step of determining at least one initial value of a visuo-postural parameter of the individual; a step of processing the initial value in order to deduce at least one initial value of a regulating parameter of the refraction measuring appliance, the regulating parameter being associated with the visuo-postural parameter; a step of regulating the refraction measuring appliance according to the initial value of the regulating parameter; and a step of measuring the refraction of the individual by the measuring appliance regulated in this way.
Jean-Luc Perrin, Guilhem Escalier, Isabelle Poulain, Benjamin Rousseau, Cécile Petignaud, Gildas Marin
Filed: 27 Oct 17
Utility
a Method for Adapting Ophthalmic Equipment According to a Wearers Visual Exploration Strategy
13 Jan 22
A system and method for determining an adapted ophthalmic device for a wearer, the method including acquiring a set of parameters values relating to the wearer, determining at least a task to be performed by the wearer involving visual exploration, using a computing system, determining a value of a criterion assessing an efficiency of the wearer's visual exploration strategy for the task, and determining an optical design of an ophthalmic device to be worn by a wearer according to the determined value of the criterion.
Delphine BERNARDIN, Jocelyn FAUBERT, Romain CHAUMILLON, Eduardo LUGO, Sergio MEJIA ROMERO
Filed: 9 Oct 19
Utility
Device and Method for Placing a Phoropter Head In a Horizontal Position
13 Jan 22
Disclosed is a device for placing a phoropter head in a horizontal position in order to optimize the measurement of the visual acuity of a patient, and to a method for placing a phoropter head in a horizontal position.
Julien VELGHE, Vincent TEJEDOR DEL RIO
Filed: 20 Nov 18
Utility
Optical Lens Having an Enhanced Interferential Coating and a Multilayer System for Improving Abrasion-Resistance
13 Jan 22
The invention relates to an optical lens comprising a substrate having a front main face and a rear main face, at least one main face of which being successively coated with a first high refractive index sheet which does not comprise any Ta2O5 layer, a second low refractive index sheet a third high refractive index sheet, a monolayer sub-layer having a thickness higher than or equal to 50 nm, and a multilayer interferential coating comprising a stack of at least one high refractive index layer and at least one low refractive index layer.
Christophe VALENTI, Frédéric GUILLAIN, William TROTTIER-LAPOINTE, Xingzhao DING
Filed: 18 Nov 19
Utility
Optical Lens Having an Interferential Coating and a Multilayer System for Improving Abrasion-Resistance
13 Jan 22
The invention relates to an optical lens comprising a substrate having a front main face and a rear main face, at least one main face of which being successively coated with a first high refractive index sheet which does not comprise any Ta2O5 layer, a second low refractive index sheet a third high refractive index sheet, a monolayer sub-layer having a thickness higher than or equal 0 to 100 nm, and a multilayer interferential coating comprising a stack of at least one high refractive index layer and at least one low refractive index layer.
Christophe VALENTI, Frédéric GUILLAIN, William TROTTIER-LAPOINTE, Xingzhao DING
Filed: 18 Nov 19
Utility
Optical Lens Having a Filtering Interferential Coating and a Multilayer System for Improving Abrasion-Resistance
13 Jan 22
The invention relates to an optical lens comprising a substrate having a front main face and a rear main face, at least one main face of which being successively coated with a first high refractive index sheet which does not comprise any Ta2O5 layer, a second low refractive index sheet a third high refractive index sheet, a monolayer sub-layer having a thickness higher than or equal to 100 nm, a multilayer interferential coating comprising a stack of at least one high refractive index layer and at least one low refractive index layer, and a filtering interferential system that selectively reflects or transmits visible light in a narrow range of wavelengths.
Christophe VALENTI, Frédéric GUILLAIN, William TROTTIER-LAPOINTE
Filed: 18 Nov 19
Utility
Method for Determining an Ophthalmic Lens Adapted for Correcting an Abnormal Refraction of an Eye of a Wearer
6 Jan 22
A method is provided for determining an ophthalmic lens configured to correct an abnormal refraction of an eye of a wearer and including at least three optical elements disposed on a surface of the ophthalmic lens to suppress or reduce a progression of the abnormal refraction of the eye, the method including providing prescription data configured to correct the abnormal refraction; providing at least one abnormal refraction parameter relating to the abnormal refraction; providing at least one sensitivity parameter representing a variation of sensitivity of the wearer as a function of at least one parameter of the optical elements; determining a value of the at least one parameter of the optical elements configured for the wearer based on the abnormal refraction parameter and the sensitivity parameter; and determining the ophthalmic lens based at least on the provided prescription data and the value of the parameter of the optical elements.
Bjorn DROBE, Matthieu GUILLOT, Bruno FERMIGIER, Damien PAILLE
Filed: 14 Nov 19
Utility
Semi-finished Lens, Method and Device for Manufacturing an Optical Lens
6 Jan 22
Disclosed is a semi-finished lens including a first optical surface including a surface design associated with a first reference system and a second optical surface to be manufactured, the first and second optical surfaces are connected by an external periphery surface, the semi-finished lens further including a reference element provided on the second optical surface and/or on the external periphery surface, the position of the reference element being defined with respect to the first reference system.
Luis CASTRO MARTINEZ
Filed: 27 Sep 19
Utility
Method for Determining an Optical Equipment Adapted to a Wearer and Processing Device for Determining an Optical Equipment Adapted to a Wearer
6 Jan 22
A method and device for determining an optical equipment adapted to a wearer and comprising an optical lens and a spectacle frame, the method including providing data relative to the wearer comprising optical requirements of the wearer, providing an optical cost function related to an optical function parameter of the optical lens and being defined based at least on part of the data relative to the wearer, providing a comfort cost function related to a comfort parameter, providing a mechanical interaction cost function that varies as a function of a geometrical parameter of spectacle frame and a geometrical parameter of optical lens, and determining an optical equipment that minimizes a global cost function, the global cost function being a weighted sum of all cost functions.
Loic QUERE, Bruno AMIR, Jérôme MOINE, Olivier ROUSSEL
Filed: 4 Nov 19
Utility
Apparatus, Method, and Computer-readable Medium for Selecting and Manufacturing Optical Lenses
6 Jan 22
An apparatus, method, and computer-readable medium for selecting and manufacturing of an optical lens that include receiving, via a network from a client device, prescription information, performing an initial search for a first optical lens that is compatible with the prescription information, determining additional information that, when provided, is usable to update the initial search, transmitting a result of the initial search along with a request for the additional information, determining a possible modification to the first optical lens or a second optical lens that is both compatible with the prescription information and associated with the additional information, transmitting an updated result, receiving a selection of an optical lens from the updated result, and manufacturing the selected optical lens or transmitting an instruction to an external manufacturing apparatus to manufacture the selected optical lens.
Michael FILIPOVICH
Filed: 12 Nov 19
Utility
a Progressive Ophthalmic Lens
6 Jan 22
A progressive ophthalmic lens adapted to a wearer in given wearing conditions having an addition and fulfilling an acuity performance criterion determined by: defining a set of at least three different vision distances including at least a first vision distance greater than or equal to 4 m, a second vision distance greater than or equal to 0.6 m and smaller than or equal to 2 m and a third vision distance smaller than or equal to 0.5 m, each vision distance being associated with an acuity loss threshold value and an acuity area threshold value, providing an acuity model defining acuity loss as a function of lens power and resulting astigmatism, determining of each vision distance using the acuity model the area of gaze directions for which the acuity loss is below the associated acuity loss threshold value.
Laurent CALIXTE, Sébastien FRICKER
Filed: 19 Dec 19
Utility
a Method for Determining Process Parameters for Manufacturing at Least Part of an Eyeglass and Eyeglass Managing System
6 Jan 22
An eyeglass managing system determines process parameters for manufacturing at least part of an eyeglass including a lens and a frame.
Thierry BAUDART, Maggy PERRIER
Filed: 12 Nov 19