314 patents
Page 5 of 16
Utility
Colored optical article with neutral transmitting coating having asymmetric reflectance
20 Sep 22
The present invention relates to an optical article comprising: —a substrate, —one colouring component, so as to colour the substrate, and —coated on the substrate (a), an asymmetric interferential multilayer stack comprising at least one absorbing layer which absorbs in the visible region at a wavelength ranging from 380 to 780 nm.
Montserrat Burgos, Michèle Thomas, Xiaohong Zhang
Filed: 19 Sep 18
Utility
Lens element
13 Sep 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: 24 Nov 21
Utility
Optical adhesive for glass and polycarbonate
6 Sep 22
Disclosed are UV curable adhesive compositions and methods to adhere polycarbonate substrates containing UV absorbers to glass for use in ophthalmic lenses.
Robert Valeri
Filed: 25 Apr 18
Utility
Molding device comprising mold shells and a gasket for manufacturing an ophthalmic lens configured to be worn by a wearer, such a gasket, and a method for manufacturing such a lens
30 Aug 22
A molding device includes mold shells and a gasket for manufacturing by molding an ophthalmic lens configured to be worn by a wearer, the mold shells each having a molding face and a peripheral side and the gasket including a closed loop portion sandwiched between the molding faces and remotely to the peripheral sides, thus forming a molding cavity of the ophthalmic lens inside the closed loop portion of the gasket, the gasket including a plurality of elongated positioning members each projecting externally from the closed loop portion and each being fastened on a said peripheral side of at least one of the mold shells, the elongated positioning members each having a respective length which is determined in function of an optical axis characteristic of the wearer.
Pascal Soave
Filed: 24 Mar 20
Utility
Method and apparatus for determining a reference head posture of a subject
30 Aug 22
Disclosed is a method for determining a subject's reference head posture, the method including: a) obtaining a movement or a position of at least one eyelid of the subject while he/she moves his/her head up and down starting from an initial head posture wherein he/she directs his/her gaze towards a predetermined direction, the subject keeping his/her gaze directed towards the predetermined direction during the motion of his/her head; and b) determining the reference head posture as a function of a movement or a position of at least one eyelid of the subject during the motion of his/her head at step a).
Gilles Le Saux
Filed: 3 Dec 18
Utility
Method for determining the clyinder of an ophthalmic lens
9 Aug 22
A method for determining a cylinder of an ophthalmic lens to be mounted on a spectacle frame is provided, the method including: providing a measuring device configured to run a Jackson Cross Cylinder procedure; determining components of a first vector of the cylinder in a two-dimensional vector cylinder representation; and determining components of a second vector of the cylinder in the two-dimensional vector cylinder representation, the components of the second vector of the cylinder being determined such that a Euclidian distance between the first vector and the second vector is independent of a value of the cylinder.
Gildas Marin, Jean-Luc Perrin, Martha Hernandez-Castaneda
Filed: 2 May 18
Utility
Method and system for determining fitting parameters of an optical equipment with manual identification
9 Aug 22
Disclosed is a method for determining at least one fitting parameter of an optical equipment configured to equip a user, the method including: providing an imaging device; taking a plurality of images of the user equipped with the optical equipment when the user takes successively at least two distinct positions; among the at least two distinct positions, identifying at least one period when the user is in a favorable position to determine the at least one fitting parameter, wherein the at least one period is manually identified by an operator; recording the at least one identified period and at least one image taken during the at least one identified period; determining the fitting parameter on the basis of the at least one recorded image.
Thierry Bonnin, Marie-Anne Berthezene
Filed: 9 Oct 18
Utility
Method for determining an ophthalmic lens adapted to a locomotion parameter
2 Aug 22
A method for determining an ophthalmic lens adapted to a wearer, including: providing wearer data including at least an indication of a prescription of the wearer; providing a locomotion scenario including at least an input locomotion parameter and visual environment data indicative of a visual environment, the locomotion parameter including at least movement data indicative of at least translation movements of the wearer's head; providing an output parameter of a locomotion parameter of the wearer or an optical parameter of the ophthalmic lens having an impact on a locomotion parameter of the wearer; determining an ophthalmic lens adapted to the wearer based at least on the wearer data to have the output parameter as close as possible to the target value of the output parameter when carrying out the locomotion scenario using the ophthalmic lens, wherein the output parameter is retinal flow of the wearer.
Delphine Tranvouez-Bernardin, Konogan Baranton, Isabelle Poulain, Laurent Calixte
Filed: 9 Mar 17
Utility
Optical article having an abrasion and temperature resistant interferential coating with an optimized thickness ratio of low and high refractive index layers
26 Jul 22
Nicolas Maitre, Alexis Theoden, Francisco De Ayguavives
Filed: 18 Apr 18
Utility
Ophthalmic lens integrating a disordered array, transparent active matrix
26 Jul 22
An ophthalmic lens including an active matrix including pixels, addressing rows serving to control the pixels, data columns serving to supply electrical power to pixels, and at least one transistor for each pixel.
Jean-Paul Cano, Christian Bovet, Anthony Saugey
Filed: 27 Apr 17
Utility
Eye assessment devices and methods to assess eyesight
19 Jul 22
Disclosed are assessment devices and methods to assess eyesight.
Julien Hubert, Bruno Fermigier, Aude Bouchier
Filed: 16 Oct 17
Utility
Vision measurement device and method of measuring vision using the same
19 Jul 22
A vision measurement device includes an eyepiece with a lens; an outer tube connected to the eyepiece including a target having a predetermined pattern, the target being movable along an optical axis of the lens with respect to the outer tube; a diopter indicator with an indicating portion and a pointing portion; where during the movement of the target with respect to the outer tube along the optical axis of the lens, one of the indicator portion and the pointing portion moves along with the target with respect to the outer tube while the other of the indicator portion and the pointing portion does not move, and when an eye is capable of clearly seeing the predetermined pattern on the target through the eyepiece, the value of the scale indicated by the pointing portion corresponds to the diopter of the eye.
Ross Brinkman, Paul Hatch, Patricia Howes, Eric Wiegmann, Andreas Bell
Filed: 26 Sep 18
Utility
Method of manufacturing optical article and optical shaping apparatus
19 Jul 22
A method of manufacturing an optical article, wherein an output light flux generating process of generating an output light flux by inputting a light from a light source to an output setting element having a repetition structure; a cured layer forming process of forming a cured layer at an irradiation area that is formed in correspondence with the output area by introducing the output light flux through a projection optical system into a container in which light-curable resin is contained and a stage is arranged and condensing the output light flux; and a stage moving process of moving the stage in a desired distance along the direction of the output flux propagating, are sequentially performed in this order and an irradiation variation process of varying the irradiation area in the cured layer generating process are further included, thereby the optical article is formed on a surface of the stage.
Gerhard Keller, Estelle Netter, Christophe Provin, Masafumi Mizuguchi, Gaku Asai
Filed: 21 Jun 17
Utility
Systems and methods to provide customized product information
19 Jul 22
The disclosed embodiments include systems and methods to provide customized product information for display.
Michael A. Filipovich, Mark Goldman, Gail Gertken, Kyle Storkamp, John Hiemenz
Filed: 16 Sep 16
Utility
Lens element
12 Jul 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
Lens element
12 Jul 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: 24 Nov 21
Utility
Optometry device
12 Jul 22
An optometry device for testing an individual's eye (E) comprises an imaging module (10) adapted to produce a first image at a variable distance for the individual's eye (E), a beam splitter (26) arranged to combine the first image and a second image for the individual's eye (E), and a screen (22) facing the beam splitter (26).
Michel Nauche, Stéphane Boutinon
Filed: 20 Sep 17
Utility
Adhesion primer for laminate in cast lenses
5 Jul 22
Embodiments of the disclosure relate to a primer composition for increasing the adhesion of a polarizing film laminate to a cast-polymerized lens.
Ronald A. Berzon
Filed: 19 Sep 16
Utility
Methods and systems for augmented reality
5 Jul 22
Aude Bouchier, Claudine Biver, Jean-Paul Cano
Filed: 10 Dec 19
Utility
Lens element
5 Jul 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: 24 Nov 21