737 patents
Page 7 of 37
Utility
Set including a semi-finished optical element and a blocking device; and a method for providing such a set
11 Apr 23
A set includes a molding device having a molding face having the same shape as a contact face of the blocking device.
Jérome Moine, Luc Martin, Sébastien Pinault, Xavier Bultez
Filed: 7 Feb 18
Utility
Method for processing an unfinished optical lens member
11 Apr 23
A method implemented by computer for processing an unfinished optical lens member for manufacturing an optical lens, the unfinished optical lens member having an unfinished surface and an aspherical finished surface having a first reference system with a first reference point, and the optical lens to be manufactured including first and second surfaces, the first surface including a second reference system with a second reference point and included in the aspherical finished surface of the lens member, the method including: providing an unfinished optical lens member data; providing an optical function; providing a reference point position; providing an optical lens parameter; determining a reference system; determining a first surface dataset; and determining a second surface dataset.
Carlos Rego, Christophe Jeannin
Filed: 9 Mar 17
Utility
Lens Element with Improved Visual Performance
6 Apr 23
A lens element to be worn by a wearer and to provide a refractive power based on a prescription of the wearer is provided for correcting an abnormal refraction of the eye of the wearer, the lens element including: an optical microstructure having an optical function of not focusing an image on a retina of the eye of the wearer so as to slow down progression of the abnormal refraction of the eye of the wearer, in which a modulation transfer function of the lens element is greater or equal to 0.07 over a range of spatial frequencies from 10 to 25 cycles per degree, when measured through the optical microstructure for a pupil aperture of 4 mm centered at 6.6 mm from the optical center of the lens element.
Guillaume GIRAUDET, David RIO, Matthieu GUILLOT, Samy HAMLAOUI, Bruno FERMIGIER
Filed: 4 Oct 22
Utility
Lens Element
6 Apr 23
A lens element to be worn by a wearer and to provide a refractive power based on a prescription of the wearer is provided for correcting an abnormal refraction of the eye of the wearer, the lens element including: an optical microstructure having an optical function of not focusing an image on a retina of the eye of the wearer so as to slow down the progression of the abnormal refraction, in which the modulation transfer function of the lens element, for peripheral vision, is less than or equal to 0.8 over a range of spatial frequency comprised from 3 to 7 cycles per degree, when measured through the optical microstructure for a pupil aperture of 4 mm centered at 6.6 mm from the optical center of the lens element.
Guillaume GIRAUDET, Samy HAMLAOUI, Matthieu GUILLOT, David RIO
Filed: 4 Oct 22
Utility
Method of Laminating a Functional Film Onto an Optical Article and Optical Article
6 Apr 23
This method of laminating a functional film onto an optical article includes: thermoforming the functional film so as to provide the functional film with a predetermined target curvature based on a curvature of a face of the optical article on which the functional film is to be applied; applying the functional film onto that face of the optical article; pressing the functional film against that face of the optical article so as to adhere the functional film to that face of the optical article.
Youval KATZMAN
Filed: 25 Feb 21
Utility
Apparatus for Recommending an Optical Device
30 Mar 23
An apparatus for recommending an optical device adapted to a wearer having a current optical device, the apparatus including processing circuitry that receives and stores measured data relating to features measured on the wearer using at least one measuring instrument, anamnesis data relating to the anamnesis of the wearer, and current optical device data relating to the current optical device used by the wearer, that processes at least two of the measured, anamnesis, and current optical device data based on predetermined processing rules, and that recommends an optical device for the wearer based on the data.
Berangere LAURENCEAU, Didier GRAND-CLEMENT
Filed: 1 Mar 21
Utility
Lens Element
16 Mar 23
A lens element intended to be worn in front of an eye of a person including a refraction area having a first refractive power based on a prescription for correcting an abnormal refraction of said 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: 11 Nov 22
Utility
Method and System for Retrieving an Optical Parameter of an Ophthalmic Lens
16 Mar 23
This method for retrieving at least one optical parameter of an ophthalmic lens comprises: obtaining an image of a first and second patterns by using an image capture device located at a first position; from that image, obtaining a first set of data from at least a part of the first pattern that is seen through the lens by the image capture device and obtaining a second set of data from at least a part of the second pattern that is seen directly i.e. outside the lens by the image capture device; retrieving the at least one optical parameter by using the first and second sets of data and taking account of relative positions of the image capture device, the lens and the first and second patterns.
Samy HAMLAOUI, Florian CALEFF, Stephane GUEU, Arnaud SUSSET, Fabien MURADORE, Ning WANG
Filed: 8 Jan 21
Utility
Concealing Non-optically Transparent Components of Optical Articles
16 Mar 23
The disclosure relates to a method of concealing a non-optically transparent component of an optical article.
Maxime LECOMPERE, Mathieu FEUILLADE
Filed: 10 Feb 21
Utility
Optical Articles Comprising Encapsulated Microlenses and Methods of Making the Same
9 Mar 23
The present disclosure includes optical articles comprising a lens having first and second lens surfaces and a protective layer having first and second protective surfaces that is coupled to the lens such that the first protective surface is disposed on the second lens surface.
Matthieu GUILLOT, Mathieu MEYNEN, Hao-Wen CHIU, Christophe PLESSIS, Jeanne MARCHAL, Bjorn DROBE
Filed: 26 Oct 22
Utility
Method and System for Determining an Optical System Intended to Equip a Person on the Basis of the Adaptability of the Person to a Visual And/or Proprioceptive Modification of His/her Environment
9 Mar 23
A method for determining an optical system intended to equip a person on the basis of the adaptability of the person to a visual and/or proprioceptive modification of his environment, the method including a person visual behaviour parameter providing, during which a person visual behaviour parameter indicative of the visual behaviour of the person relative to a given state of the environment is provided; a reference value providing, during which a first value of the person visual behaviour parameter corresponding to a reference state of the environment is provided; a visual and/or proprioceptive modification providing, during which a visual and/or proprioceptive modification of the reference state of the environment is provided so as to define a modified state of the environment; and determining, during which an optical parameter of the optical system is determined based on the first value of the person visual behaviour parameter and on a second value of the person visual behaviour parameter associated with the modified state of the environment.
Guillaume GIRAUDET, Jocelyn FAUBERT, Rafael DOTI, Eduardo LUGO
Filed: 9 Nov 22
Utility
Method of Calculating a Finished Lens
9 Mar 23
A finished lens with a predetermined shape, including one front face, one back face and a perimeter corresponding to the shape, including a prescription part on the lens that together with the front face fulfills prescription data of a wearer and a peripheral part on the lens, the prescription part being delimited by a thickness curve and the peripheral part extending from the thickness curve towards an outer edge of the lens, the thickness curve corresponding to a value of thickness less than or equal to a predetermined thickness requirement.
Florence MOREL, Thierry BAUDART
Filed: 8 Feb 21
Utility
Optical lens
7 Mar 23
An optical lens intended to be placed before a wearer's eye and having a front surface and a rear surface, the rear surface being the surface intended to be the closest to the wearer's eye when the optical lens is placed before a wearer's eye, the optical lens having a mineral glass element on the front surface and further comprising an eye protector that is configured to prevent any piece of the mineral glass element from reaching the wearer's eye when the element is broken, said eye protector comprising a polymer wafer arranged on the rear surface.
Claudine Biver, David Escaich, Mariska Barthelemy, Marie Engel, Sira Uhalte Nogues
Filed: 18 Oct 18
Utility
Anti-reflective sputtering stack with low Rv and low Ruv
28 Feb 23
The present invention provides a UV antireflective coating stack for ophthalmic lenses.
Narendra Borgharkar
Filed: 25 Mar 15
Utility
Method for determining an ophthalmic lens and associated ophthalmic lens
28 Feb 23
A method for determining an ophthalmic lens (1) for a wearer with a personalized light-filter pattern (3) defined by pattern parameters, wherein the method comprises collecting data relating to the wearer and determining the pattern parameters based on the data relating to the wearer.
Ker Chin Ang, Paulyn Ng, Valérie Parmentier, Bernard Bourdoncle, Anne-Catherine Scherlen
Filed: 27 Oct 17
Utility
Method for Displaying a Sharp Image on a Retina of an Eye of the Person
23 Feb 23
The invention relates to a method for displaying a sharp image on a retina of an eye of the person, the person having a prescription for the eye of the person, the method comprising: providing at least one optical parameter relative to the prescription for the eye of the person; providing a plurality of initial sub-images, each initial sub-image corresponding to at least a part of the image to be displayed; providing a plurality of light beams configured to be focused substantially in the plane of a pupil of the eye at a plurality of corresponding different positions, each light beam being configured to carry an associated sub-image; for each sub-image, adapting the sub-image based on the at least one provided optical parameter and on the corresponding focused position of the light beam configured to carry the sub-image to form an adapted sub-image; and displaying each adapted sub-image carried by the associated light beam on the retina of the person.
Marius PELOUX, Stephane BOUTINON, Vincent ROPTIN
Filed: 8 Feb 21
Utility
Optical Element Comprising Mix of Nir Dyes for Broader Nir Cut and Better Aesthetic
23 Feb 23
Disclosed are optical elements that contains two or more near infrared absorbers and methods of producing the same.
Pierre FROMENTIN, Harutsai WAIPUNYA, Haifeng SHAN, Hao-Wen CHIU
Filed: 23 Mar 20
Utility
System and Method for Determining Refraction Features of Both First and Second Eyes of a Subject
23 Feb 23
A system for determining refraction features of both first and second eyes of a subject including a light field display device, a system of localization of the positions of the first and second eyes of the subject, the light field display device generating a first light field directed selectively toward the first eye, and, respectively, a second light field directed selectively toward the second eye, control circuitry that adjusts the first light field as a function of at least a first refraction parameter associated with at least a first optical aberration for the first eye and the control circuitry adjusting said second light field as a function of at least a second refraction parameter associated with at least a second optical aberration for the second eye.
Stephane BOUTINON, Estelle NETTER, Martha HERNANDEZ-CASTANEDA, Konogan BARANTON, Gildas MARIN
Filed: 15 Dec 20
Utility
a Method and System for Providing an Eyeglasses Frame
23 Feb 23
Providing an eyeglasses frame in a fully automatized manner includes: (d) obtaining a set of data relating to a 3D representation of the frame, from: (a) initial information relating to an initial representation of the frame; and (b) at least one wearer parameter, possibly automatically modified; and (c) at least one frame parameter, possibly automatically modified; and taking account of at least one constraint or automatically modified constraint, relating to geometry of the frame; and automatically providing the 3D representation from the obtained set of data; (e) applying an evaluation criterion to determine whether the 3D representation satisfies the constraint or automatically modified constraint and, if not, (f) iterating obtaining (d) and applying (e) with the automatically modified wearer parameter and/or with the automatically modified frame parameter and/or with the automatically modified constraint, to automatically provide a constraint-compliant set of data relating to a final representation of the frame.
Bruno AMIR
Filed: 12 Jan 21
Utility
Method for Generating Modified Eyeglass Frame Manufacturing Data
23 Feb 23
A method for generating modified eyeglass frame manufacturing data including the following steps: a. providing a plurality of eyeglass frames; b. selecting one frame among the plurality of eyeglass frames; c. determining data relative to the selected frame; d. modifying the determined data whilst respecting at least one predetermined conception rule, so as to obtain modified data; and e. computing the modified data obtained by the modification so as to generate modified eyeglass frame manufacturing data.
Paul JORET, Bruno AMIR, Ludovic JOUARD, Carlos REGO, Mélanie HESLOUIS
Filed: 11 Jan 21