Patents by Inventor Cécile Petignaud

Cécile Petignaud has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 12210223
    Abstract: 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.
    Type: Grant
    Filed: April 13, 2020
    Date of Patent: January 28, 2025
    Assignee: Essilor International
    Inventors: Cécile Petignaud, Marie-Gaelle Froeliger, Nacer Lakhchaf, Bénédicte Deldalle
  • Publication number: 20240206725
    Abstract: An optometric testing device comprising a first shutter and a second shutter placed in front of two eyes of a patient and configured to present an activated state in which a shutter blocks the propagation of light and a deactivated state in which the shutter allows the propagation of light, a communication unit configured to communicate with a display system in order to send and/or receive a synchronization signal, and a control unit configured to command each shutter as a function of the synchronization signal so that the first shutter and the second shutter change state with a first frequency and a second frequency, wherein the control unit is configured to command each shutter so that the first frequency is different from the second frequency and/or so that a duty cycle of activation of the first shutter is different from a duty cycle of activation of the second shutter.
    Type: Application
    Filed: April 26, 2022
    Publication date: June 27, 2024
    Applicant: Essilor International
    Inventors: Martha HERNANDEZ-CASTANEDA, Cécile PETIGNAUD, Denis ROUSSEAU, Stéphane PERROT, Gildas MARIN
  • Publication number: 20240188816
    Abstract: An optometry device for binocular testing of the eyes of a subject, including a binocular refraction test unit with a first optical refraction element adapted to provide different vision correction powers along a first optical axis and a second optical refraction element adapted to provide different vision correction powers along a second optical axis, and a display system for providing a first and a second test images, the first test image being conveyed to the first optical refraction element along a first optical pathway and the second test image being conveyed to the second optical refraction element along a second optical pathway. The first and second test image being provided with details smaller than 1 arc minute, over a field of view of at least 8° in horizontal directions, the first and second optical pathways having a length between 25 and 100 centimeters.
    Type: Application
    Filed: April 22, 2022
    Publication date: June 13, 2024
    Applicant: Essilor International
    Inventors: Martha HERNANDEZ-CASTANEDA, Cécile PETIGNAUD, Gildas MARIN, Loïc BAILLON, Stéphane PERROT, Denis ROUSSEAU
  • Patent number: 11454829
    Abstract: Disclosed is a method for measuring data for fitting an ophthalmic lens in a frame for a individual, including the following steps: a) placing the individual in a natural posture; b) displaying a visual target with adjustable position in the field of view of the individual; c) having the individual equipped with the frame adjust the position of the visual target in order to place it straight ahead from him; d) determining the intersection, with a surface representative of the lens once placed in the frame, of the line of sight of the individual looking at the visual target with its adjusted position and determining the data based on the intersection determined.
    Type: Grant
    Filed: June 5, 2018
    Date of Patent: September 27, 2022
    Assignee: Essilor International
    Inventors: Cécile Petignaud, Amandine Debieuvre, Bénédicte Deldalle
  • Publication number: 20220179238
    Abstract: 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.
    Type: Application
    Filed: April 13, 2020
    Publication date: June 9, 2022
    Inventors: Cécile PETIGNAUD, Marie-Gaelle FROELIGER, Nacer LAKHCHAF, Bénédicte DELDALLE
  • Patent number: 11324399
    Abstract: 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. A corresponding system is also described.
    Type: Grant
    Filed: June 15, 2018
    Date of Patent: May 10, 2022
    Assignee: Essilor International
    Inventors: Charles Lebrun, Cécile Petignaud, Alvin François
  • Patent number: 11243401
    Abstract: 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.
    Type: Grant
    Filed: April 4, 2019
    Date of Patent: February 8, 2022
    Assignee: Essilor International
    Inventor: Cécile Petignaud
  • Publication number: 20220031158
    Abstract: 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.
    Type: Application
    Filed: September 24, 2019
    Publication date: February 3, 2022
    Inventors: Gabriel KEITA, Arnaud GLACET, Benjamin ROUSSEAU, Noemi BARRETO, Cécile PETIGNAUD
  • Patent number: 11224338
    Abstract: 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. Also disclosed is a method for the optical design of an ophthalmic lens, and to a pair of glasses including such a lens.
    Type: Grant
    Filed: October 27, 2017
    Date of Patent: January 18, 2022
    Assignee: Essilor International
    Inventors: Jean-Luc Perrin, Guilhem Escalier, Isabelle Poulain, Benjamin Rousseau, Cécile Petignaud, Gildas Marin
  • Publication number: 20210165223
    Abstract: 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.
    Type: Application
    Filed: April 4, 2019
    Publication date: June 3, 2021
    Applicant: Essilor International
    Inventor: Cécile PETIGNAUD
  • Publication number: 20210149225
    Abstract: Disclosed is a method for measuring data for fitting an ophthalmic lens in a frame for a individual, including the following steps: a) placing the individual in a natural posture; b) displaying a visual target with adjustable position in the field of view of the individual; c) having the individual equipped with the frame adjust the position of the visual target in order to place it straight ahead from him; d) determining the intersection, with a surface representative of the lens once placed in the frame, of the line of sight of the individual looking at the visual target with its adjusted position and determining the data based on the intersection determined.
    Type: Application
    Filed: June 5, 2018
    Publication date: May 20, 2021
    Inventors: Cécile PETIGNAUD, Amandine DEBIEUVRE, Bénédicte DELDALLE
  • Publication number: 20200196860
    Abstract: 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. A corresponding system is also described.
    Type: Application
    Filed: June 15, 2018
    Publication date: June 25, 2020
    Inventors: Charles LEBRUN, Cécile PETIGNAUD, Alvin FRANÇOIS
  • Publication number: 20200069172
    Abstract: 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. Also disclosed is a method for the optical design of an ophthalmic lens, and to a pair of glasses including such a lens.
    Type: Application
    Filed: October 27, 2017
    Publication date: March 5, 2020
    Inventors: Jean-Luc PERRIN, Guilhem ESCALIER, Isabelle POULAIN, Benjamin ROUSSEAU, Cécile PETIGNAUD, Gildas MARIN
  • Patent number: 10234700
    Abstract: The invention relates to a method for checking the correct assembly of a device consisting of a frame and of two corrective ophthalmic lenses. The main feature of a method according to the invention is that it includes the following steps: an initial step of determining at least one parameter which makes it possible to position the lenses in the frame relative to the face; a subsequent step of acquiring at least one image of the face of said wearer with said device, which shows centering and horizontal level marks; a step of comparing said at least one parameter determined during said initial step with the corresponding parameter deduced from said at least one image; and a step of making a decision regarding the correct assembly of the device.
    Type: Grant
    Filed: December 3, 2014
    Date of Patent: March 19, 2019
    Assignee: ESSILOR INTERNATIONAL (COMPAGNIE GENERALE D'OPTIQUE)
    Inventors: Cécile Petignaud, Thierry Laloux, Nacer Lakhchaf, Benjamin Rousseau, Marie-Anne Berthezene
  • Patent number: 9804421
    Abstract: A method for determining at least one optical conception parameter for a progressive ophthalmic lens intended to equip a frame of a wearer, depending on the visual behavior of the latter. The method comprises the following steps: a) collecting a plurality of behavioral measurements relating to a plurality of gaze directions and/or positions of the wearer during a visual task; b) statistically processing said plurality of behavioral measurements in order to determine a zone of use of the area of an eyeglass fitted in said frame, said zone of use being representative of a statistical spatial distribution of said plurality of behavioral measurements; and c) determining at least one optical conception parameter for said progressive ophthalmic lens depending on a spatial extent and/or position of the zone of use.
    Type: Grant
    Filed: October 30, 2014
    Date of Patent: October 31, 2017
    Assignee: ESSILOR INTERNATIONAL (COMPAGNIE GENERALE D'OPTIQUE)
    Inventors: Cécile Petignaud, Thierry Bonnin, Laurent Calixte, Sarah Marie
  • Publication number: 20160274383
    Abstract: A method for determining at least one optical conception parameter for a progressive ophthalmic lens intended to equip a frame of a wearer, depending on the visual behavior of the latter. The method comprises the following steps: a) collecting a plurality of behavioral measurements relating to a plurality of gaze directions and/or positions of the wearer during a visual task; b) statistically processing said plurality of behavioral measurements in order to determine a zone of use of the area of an eyeglass fitted in said frame, said zone of use being representative of a statistical spatial distribution of said plurality of behavioral measurements; and c) determining at least one optical conception parameter for said progressive ophthalmic lens depending on a spatial extent and/or position of the zone of use.
    Type: Application
    Filed: October 30, 2014
    Publication date: September 22, 2016
    Applicant: ESSILOR INTERNATIONAL (COMPAGINE GENERALE D'OPTIQUE_
    Inventors: Cécile PETIGNAUD, Thierry BONNIN, Laurent CALIXTE, Sarah MARIE
  • Patent number: 8870375
    Abstract: A method for calculating or optimizing an ophthalmic lens design comprising the steps of providing a given ophthalmic lens design and assessing the given design by a computer comprising a media suitable for storing electronic instructions.
    Type: Grant
    Filed: April 22, 2010
    Date of Patent: October 28, 2014
    Assignee: Essilor International (Compagnie Generale d'Optique)
    Inventors: Cécile Petignaud, Benjamin Rousseau, Mathieu Guillot, Pauline Colas, Jean Sahler, Valérie Parmentier, Gilles Garcin, Cécile Pietri
  • Publication number: 20120287405
    Abstract: A method of determining binocular performance of a pair of spectacle lenses comprises: a eyes characteristics providing step, a pair of spectacle lenses providing step, a environment providing step, a binocular performance criteria selecting step, and a binocular performance criteria determining step, wherein the at least one binocular performance criterion is selected among one or a combination of the following criteria groups consisting of central vision criteria group and/or peripheral vision criteria group.
    Type: Application
    Filed: November 18, 2010
    Publication date: November 15, 2012
    Inventors: Soazic Mousset, Cécile Petignaud, Claude Pedrono, Agnès Ladous, Bruno Amir, Aude Contet
  • Publication number: 20120281183
    Abstract: A method of determining binocular performance of a pair of spectacle lenses comprises: a eyes characteristics providing step, a pair of spectacle lenses providing step, a environment providing step, a cyclopean eye positioning step, a binocular performance criteria defining step, and a binocular performance criteria determining step, wherein the cyclopean eye position is customized.
    Type: Application
    Filed: November 18, 2010
    Publication date: November 8, 2012
    Applicant: ESSILOR INTERNATIONAL (COMPAGNIE GENERALE D'OPTIQUE)
    Inventors: Soazic Mousset, Cécile Petignaud, Claude Pedrono, Agnés Ladous, Bruno Amir, Aude Contet
  • Publication number: 20120188504
    Abstract: A method implemented by computer means of assessing at least a selected optical feature of an ophthalmic lens design over a prescription and optionally design particularity domain comprising the steps of: a) selecting a prescription and optionally design particularity parameter set comprising a plurality of prescription parameters in the list consisting of spherical power (SPH), cylindrical power (CYL), cylinder axis (AXE), addition power (ADD) and selecting a prescription and optionally design particularity range for each selected prescription and optionally design particularity parameter so as to define the prescription and optionally design particularity domain; b) meshing the prescription and optionally design particularity domain so as to provide a plurality of meshing coordinates; c) providing an assessment criterion for the selected optical feature of the ophthalmic lens design; d) calculating the assessment criterion value for each meshing coordinate of step b); e) providing a sensory represent
    Type: Application
    Filed: April 22, 2010
    Publication date: July 26, 2012
    Applicant: ESSILOR INTERNATIONAL (COMPAGNIE GENERALE D'OPTIQUE)
    Inventors: Cécile Petignaud, Benjamin Rousseau, Matthieu Guillot, Pauline Colas, Jean Sahler, Valérie Parmentier, Gilles Garcin, Cécile Pietri