737 patents
Page 16 of 37
Utility
Method of determining a refractive power value characterising an ophthalmic lens and corresponding electronic device
1 Mar 22
A method of determining a refractive power value characterising an ophthalmic lens for correction of an individual's eye ametropia includes: obtaining first data representative of a refraction value and second data representative of a position of the individual's head with respect to a refraction apparatus when the refraction value was determined; determining the refractive power value as a function of the first data and of a relative position, derived the second data, of the refraction apparatus with respect to a centre of rotation of the eye when the refraction value was determined.
Gilles Le Saux, Stephane Boutinon, Cecile Pietri, Helene De Rossi
Filed: 4 Mar 16
Utility
Method and Manufacturing System for Manufacturing an Optical Lens
24 Feb 22
A method for manufacturing an optical lens having at least a reference optical power at a given point is described.
Olivier ROUSSEL, Jean-Marc PADIOU, Mathieu FEUILLADE, Alexandre GOURRAUD, Loïc QUERE
Filed: 3 Dec 19
Utility
Method and Device for Manufacturing an Ophthalmic Lens
24 Feb 22
Disclosed are a method and device for manufacturing an ophthalmic lens for eyeglasses intended to be placed in front of an eye of a wearer, the ophthalmic lens having a desired optical function including a dioptric function adapted to a prescription of the wearer.
Sébastien MAURICE, Frédéric DUBOIS, Benoit CALLIER, Florent DELOISON, Bruno CHASSAGNE, Clémentine JAVAUX-LEGER, Bastien ANCELOT
Filed: 12 Dec 19
Utility
Method and System for Producing a Gradient Polar Film
24 Feb 22
A system and method for manufacturing an ophthalmic lens is provided.
Zbigniew TOKARSKI, Eric BEGG, Srinivasan BALASUBRAMANIAN, Hao-Wen CHIU
Filed: 9 Dec 19
Utility
Method for manufacturing an ophthalmic article
22 Feb 22
The invention provides a method for manufacturing an ophthalmic article having at least one optical function and at least one predetermined transmission parameter, comprising the steps (102) of surfacing at least a first face of a first body of said article, made from a first material, according to a first geometry determined for providing said predetermined transmission parameters; and surfacing (103) at least a second face of a second body of said article, made from a second material, according to a second geometry determined at least according to said first geometry, for providing said optical.
Peiqi Jiang, Jean-Marc Padiou
Filed: 25 Oct 17
Utility
Method for Determining an Optical System with a Metasurface and Associated Products
17 Feb 22
The present invention concerns an optical system intended to be held by a frame and worn by a wearer, the optical system comprising a lens, the lens further comprising a metasurface formed by at least a set of nanostructures, at least the lens and the metasurface being designed to achieve an optical system transmission target optical function and an optical system reflective target optical function.
Bruno FERMIGIER, Estelle NETTER, William TROTTIER-LAPOINTE, Claudine BIVER
Filed: 12 Aug 19
Utility
Spectacle frame with cut rims and attachable bridge, kit of parts and eyewear
15 Feb 22
Disclosed is a spectacle frame including a pair of lens holding rims interconnected by a bridge, each rim being encircling and holding a lens in a central aperture of the rim, each rim being linked laterally to a temple, each rim having at least one cut allowing expansion of the central aperture or retraction and closure of the central aperture by closing the cut.
Ludovic Jouard, Hélène Perchepied, Patricia Koh, Shindhe Gunputh, Frédéric Corbasson
Filed: 16 Mar 18
Utility
Method for determining the optical power of an optical lens
15 Feb 22
A method for determining optical power of an optical lens to be placed in front of an eye of a person, the method including: a first distance determining during which a first gazing distance is determined, which is the distance between the eye of the person and a first visual stimulus when the person gazes at the first visual stimulus in a given gazing direction with a first level of attention: a second distance determining during which a second gazing distance is determined, which is the distance between the eye of the person and a second visual stimulus when the person gazes at the second visual stimulus in the given gazing direction with a second level of attention different from the first level of attention; and an optical power determining during which the optical power adapted for the person is determined based on the first and second gazing distances.
Jean-Luc Perrin, Damien Paille
Filed: 26 Jul 16
Utility
Method and Apparatus for Evaluating Efficacy of Ophthalmic Lens In Controlling Sightedness Impairment
10 Feb 22
A method to select or to conceive/design lenses is provided.
Damien PAILLE, Björn DROBE
Filed: 11 Dec 19
Utility
Method and Device for Determining a Refraction Feature of an Eye of a Subject
10 Feb 22
Disclosed is a method including the steps of: a) illuminating a pupil of the eye of a subject by a light source; b) acquiring at least one picture of the pupil including an image of the reflection of the light source on the retina of the eye, by means of an image-capture apparatus; and c) and determining a refraction feature of the eye from at least a geometrical feature, a positional feature, or an intensity distribution of the image of the reflection of the light source.
Guilhem ESCALIER, Konogan BARANTON
Filed: 19 Dec 19
Utility
Optical device for a head-mounted display, and head-mounted device incorporating it for augmented reality
8 Feb 22
The present invention relates to an optical device usable in a head-mounted display which comprises a light conducting element and at least one wafer, and to a head-mounted device which is configured to provide an informative display of augmented reality for a wearer of the head-mounted device and which comprises such an optical device.
Mathieu Meynen, Marius Peloux, Dominick Hubacz, Ludovic Jouard, Marc Reignault
Filed: 9 Mar 18
Utility
Method for customizing a head mounted device adapted to generate a virtual image
8 Feb 22
A method for customizing a head mounted device adapted to generate a virtual image for a wearer, the method comprises: obtaining a 3D eye pupil position of the wearer in a reference frame and corresponding to a predetermined gaze direction, and customizing the head-mounted device based on the 3D eye pupil position so that the position of a focus area (EMB) at least partly coincides with the position of the eye pupil in the predetermined gaze direction, wherein customizing the head-mounted device comprises controlling a recording of a holographic mirror based on the 3D eye pupil position in the reference frame.
Cécile Petignaud
Filed: 4 Apr 19
Utility
Heat-curable hybrid epoxy functional composition and transparent heat-cured caustic-resistant coatings prepared therefrom
8 Feb 22
The present invention relates to a heat-curable composition comprising at least one epoxy monomer comprising two or three epoxy groups, which is not a hydrolysis-polymerizable silicon compound, at least one epoxy compound bearing at least one silicon atom having at least one hydrolyzable group directly linked to the silicon atom and at least one epoxy group, and at least one epoxy ring-opening catalyst.
Robert Valeri, Haipeng Zheng, Matthew Freeman
Filed: 25 Oct 17
Utility
Method for Determining at Least One Geometrico-morphological Parameter of a Subject
3 Feb 22
Disclosed is a method for determining at least one geometrico-morphological parameter of a subject for determining a vision correction equipment, wherein the following steps are performed: a) determining the height of one of the eyes of the subject (P) relative to a reference horizontal surface; b) placing a visual target in front of the head (HP) of the subject (P) at a predetermined position, this predetermined position being determined taking into account the height of one of the eyes of the subject relative to the reference horizontal surface, determined in step a); c) while the subject gazes at the visual target placed at the predetermined position in step b), capturing an image of the head (HP) of the subject (P) with an image capture apparatus (50); and d) deducing from the image captured in step c) the at least one geometrico-morphological parameter.
Gabriel KEITA, Arnaud GLACET, Benjamin ROUSSEAU, Noemi BARRETO, Cécile PETIGNAUD
Filed: 24 Sep 19
Utility
Server, Method, and Computer-readable Storage Medium for Selecting Eyewear Equipment
3 Feb 22
A server includes processing circuitry configured to receive one or more images, the one or more images including one or more representations of people.
Julien ANDOCHE, Estelle NETTER
Filed: 18 Nov 19
Utility
an Optical Device with Reduced Reflection In Deep Red, Near Infrared and Visible Ranges
3 Feb 22
This optical device comprises an ophthalmic lens and a light source emitting in the deep red and near infrared region.
Francisco DE AYGUAVIVES
Filed: 16 Sep 19
Utility
Method for Determining at Least One Geometrico-morphological Parameters of a Subject In a Natural Posture for Determining a Vision Correction Equipment
3 Feb 22
Disclosed is a method wherein the following steps are performed: a) the subject is placed in a natural posture, in which at least one of the gaze directions of the subject points to a visual target, b) an image capture apparatus is placed between the head of the subject and the visual target, c) the relative posture of the image capture apparatus and head of the subject is adjusted in order for the pupil of the image capture apparatus to be positioned close to the gaze direction of at least one of the eyes of the subject, d) an image of the head of the subject is captured, and e) the at least one geometrico-morphological parameter is deduced from this image.
Sylvain CHENE
Filed: 24 Sep 19
Utility
Wearing detection module for spectacle frame
1 Feb 22
A wearing detection module configured to be fixed on a spectacle frame element of a smart spectacle frame, the spectacle frame element including a first surface configured to face the wearer when using the smart spectacle frame and a second surface opposed to the first surface, and the wearing detection module including a pair of sensors configured to measure one parameter indicative of the distance between the spectacle frame element and the wearer, one sensor is arranged on the first surface and the other one is arranged on the second surface, and a processing unit configured to receive data indicative of the parameter sensed by each sensors and to determine a wearing data indicative of the use by the wearer of the smart spectacle frame based on the received data.
Marie Lore, Paul Gil, Guillaume Broutin, Jean Sahler
Filed: 21 Sep 17
Utility
Method for Assessing the Suitability Between an Optical Device and a User of the Optical Device
27 Jan 22
Disclosed is a computer-implemented method for assessing suitability between an optical device and its user, the optical device including an optical lens placed in front of an eye of the user when the user uses the optical device, the optical lens having a plurality of optical zones having different optical functions, the method including at least the following steps: a requesting step, during which the user, equipped with the optical device, is requested to use the optical device in a plurality of different visual situations, each visual situation being associated with an optical zone of the optical lens and during which the user looks at a visual target located in the user's natural environment through the optical lens; and a suitability index assessing step, during which the user assesses a suitability index based on his use of the optical device in the plurality of different visual situations.
Jean-Luc PERRIN, Thierry LALOUX, Damien PAILLE
Filed: 16 Dec 19
Utility
Method for Determining a Progressive Lens and Associated System
27 Jan 22
A method for determining a design of a progressive lens intended to be worn by a future wearer, the progressive lens comprising a front surface and a back surface, at least one of the front surface and the back surface comprising a progression profile on its general spherical shape, said at least one progression profile defining a meridian line extending from a distance-vision point to a near-vision point, said meridian line comprising a vertical portion passing through the distance-vision point and an inclined portion passing through the near-vision point, the vertical portion and the inclined portion forming an angle between them, the method comprising obtaining first data representative of a first measurement of a first postural instability of the future wearer when seeing at a visual pattern moving along an anterior-posterior direction, and determining the angle of the inclined portion based on the first data.
Delphine TRANVOUEZ-BERNARDIN, Jocelyn FAUBERT, Guillaume GIRAUDET
Filed: 27 Nov 19