314 patents
Page 15 of 16
Utility
Spectacle ophthalmic lens, method for determining a spectacle ophthalmic lens
27 Jan 20
A spectacle ophthalmic lens having a front surface and a back surface, the spectacle ophthalmic lens including a nasal lateral zone and a temporal lateral zone, wherein the front surface includes a progressive or regressive front surface which provides at least a magnifying function in the nasal and/or the temporal lateral zone of the lens, and wherein the back surface substantially compensates dioptric effects of the magnifying function of the progressive or regressive front surface.
Cyril Guilloux
Filed: 23 Sep 15
Utility
Method for producing an ophthalmic lens comprising a step of laser marking in order to produce permanent etchings on one surface of said ophthalmic lens
27 Jan 20
A method for producing an ophthalmic lens includes a step of laser marking in order to produce permanent etchings on one surface of the lens, at least one predefined step subsequent to the marking step and implementing extreme thermal stress that is applied to the surface, and a step of determining an operating point (PF) of a laser marking machine (1) configured to implement the marking step from geometric characteristics (Di) of the etchings to be made, the determining step including the steps of determining (304) a value (CPM) representative of the deformation of the lens on at least one treatment area of the surface, from the stress and data relative to a predetermined material from which the lens is formed, and of deducing (308) the operating point from the value representative of deformation and from the geometric characteristics.
Frederic Dubois, Sebastien Maurice
Filed: 24 Jun 14
Utility
Blocking calculation module
27 Jan 20
The invention proposes a blocking calculation module (1) configured to calculate blocking data of an ophthalmic lens member (2) on a blocking element (3) of a blocking station (4), comprising:—receiving means (11) configured to receive input data from a remote device, the input data comprising optical data related to the ophthalmic lens member,—calculation means (15) configured to calculate the blocking data from the input data, and—transmitting means (17) configured to make the blocking data available to the blocking station.
Sebastien Piraube, Vincent Godot
Filed: 15 Apr 14
Utility
Monitoring system for monitoring head mounted device wearer
13 Jan 20
A monitoring system for monitoring the visual behavior of a wearer of a head-mounted device, the monitoring system includes: —a least one wearer's visual behavior sensor configured to sense at least one wearer's visual behavior data relating to the visual behavior of the wearer of the head-mounted device, —a communication unit associated with the at least one wearer's visual behavior sensor and configured to communicate the visual behavior data to a wearer information data generating unit, —a wearer information data generating unit configured to: —receive the wearer's visual behavior data, —store the wearer's visual behavior data, and —generate an wearer information data indicative of at least one of: wearer's vision or general health condition of the wearer or wearer's activity or wearer's authentication based, at least, on the evolution over time of the wearer's visual behavior data.
Marion Swital, Benoit Callier, Thierry Villette
Filed: 14 May 18
Utility
Methods and systems for augmented reality
13 Jan 20
Systems, methods and ophthalmic lenses for image display of a virtual image, such as display of a holographic image.
Aude Bouchier, Claudine Biver, Jean-Paul Cano
Filed: 3 Apr 16
Utility
Ophthalmic lens comprising a thin antireflective coating with a very low reflection in the visible region
6 Jan 20
Hélène Maury, Dominique Conte, Xingzhao Ding
Filed: 31 Jan 17
Utility
Methods and systems for augmented reality
30 Dec 19
Methods and systems for image display with a head-mounted device, wherein customization of the display is achieved by taking into account wearer-specific visualization parameters.
Aude Bouchier, Jean-Paul Cano, Gilles Le Saux
Filed: 2 Sep 14
Utility
Method for determining an optical function of an ophthalmic lens adapted to a wearer
30 Dec 19
Berangere Granger
Filed: 7 Mar 16
Utility
Method for verifying conformity with a predetermined criterion of use of a spectacle frame and associated device
30 Dec 19
Disclosed is a method for verifying conformity with a predetermined criterion of use of a spectacle frame intended to receive two ophthalmic lenses, including: a) at least one geometrical, mechanical, and/or structural characteristic is determined and the frame category to which the frame belongs from a set of predetermined spectacle-frame categories is deduced therefrom; b) an outline of at least one of the ophthalmic lenses intended to be mounted in the spectacle frame or of a rim of this spectacle frame is determined; c) the value of each parameter from a list of parameters of the frame is evaluated, considering the frame category of step a); the value of at least some of the parameters being evaluated as a function of the outline determined in step b); d) the conformity of the spectacle frame to the predetermined criterion is deduced from the values of the parameters of the spectacle frame.
Vincent Anatole, Thierry Allouis, Daniel Ferreira
Filed: 27 Jul 16
Utility
Method of calculating optical characteristics of an optical system according to a given spectacle frame
16 Dec 19
A method of calculating an optical system (OS) of an ophthalmic lens according to a given spectacle frame, said ophthalmic lens comprising a back surface (BS) and a front surface (FS) arranged to deliver an ophthalmic vision image (VI), a light-guide optical element having a proximal surface (PS) and a distal surface (DS), said light-guide optical element being arranged to output a supplementary image (SI), wherein the method comprises the steps of: providing at least a morpho-geometrical parameter data of the frame or of the light-guide optical element; optimizing the optical system (OS) according to at least the morpho-geometrical parameter data as a target.
Sébastien Fricker, Benjamin Rousseau, Mathieu Guillot
Filed: 30 Mar 15
Utility
Vision-compensating device, method for controlling a vision-compensating device and binocular optometry device
9 Dec 19
A vision-compensating device allowing observation along an optical axis of observation with an optical correction of variable power includes a lens having, along the optical axis, a spherical power that is variable as a function of a first control, and an optical assembly generating, along the optical axis, a cylindrical correction that is variable as a function of at least one second control applied to the optical assembly.
Stephane Boutinon
Filed: 14 Jul 16
Utility
Optometry apparatus, assembly and system comprising such an apparatus
2 Dec 19
Disclosed is an optometry apparatus including: a base designed to receive corrective eyeglasses; at least one transmission element designed to cooperate with a member for regulating an optical correction characteristic of the eyeglasses; and at least one drive motor for driving the transmission element.
Michel Nauche, Stéphane Boutinon
Filed: 30 Aug 16
Utility
Phoropter, and method for measuring refraction using a phoroptor of said type
2 Dec 19
A refractor (100) includes: an enclosure having a front face containing a first optical window and a back face containing a second optical window aligned with the first optical window along an optical axis of observation; and at least one vision compensating device making it possible to observe along the optical axis of observation.
Stephane Boutinon, Vincent Tejedor Del Rio, Michel Nauche
Filed: 6 Apr 15
Utility
Machining method by turning at least one surface of an ophthalmic lens, using a turning machine having at least one geometrical defect
2 Dec 19
Disclosed is a machining method by turning at least one surface of an ophthalmic lens, using a turning machine having at least one geometrical defect.
Mathieu Meynen, Alexandre Gourraud, Luis Ricardo Castro Martinez, Loic Quere, Bernard Pons
Filed: 24 Sep 15
Utility
Method for fitting a predetermined glasses frame for the use thereof by a given wearer
25 Nov 19
A method for fitting an actual predetermined glasses frame, selected by a given wearer, for use thereof by the wearer, includes the following steps: the head of the wearer is at least partially modelled, in at least one reference system, with at least one model of part of the nose and one model of part of the ears; simulating the positioning of the frame on the head of the wearer is carried out, in the model of the head of the wearer, by placing the corresponding areas of the frame, or a model of the latter, one over the other; and on the basis of placing these one over the other, the necessary change in shape of the actual predetermined frame is determined in order to achieve a fitting of the frame on the head of the wearer in accordance with at least one predetermined fitting criterion.
Ahmed Haddadi, Sarah Marie
Filed: 21 Dec 14
Utility
Method for determining a parameter of an optical equipment
18 Nov 19
A method for determining a parameter of an optical equipment, including: an optical equipment positioning, during which an optical equipment including a pair of optical lenses mounted on a spectacle frame is positioned in a first position; a portable electronic device positioning, during which a portable electronic device including an image acquisition module is positioned in a second position determined and/or known relatively to the first position to acquire an image of a distant element seen through at least part of the optical lenses of the optical equipment in the first position; a parameter determining, during which at least one optical parameter of the optical equipment is determined based on the image of a distant element seen through at least part of the optical lenses of the optical equipment in the first position.
Stephane Gueu, Jean Carrier
Filed: 3 Aug 16
Utility
Method for determining location of a lens machining tool in a turning machine configured for machining ophtalmic lenses
11 Nov 19
Disclosed is a method for determining location of a lens machining tool (24) having an offset location according to a first direction (Y) smaller than a first predetermined threshold, including the steps of manufacturing a calibration piece (10) according to a predetermined theoretical geometry by using the lens machining tool for providing a at least partially annular groove in a main surface of the calibration piece, the at least partially annular groove being configured to form at least one sharp edge defining a slope discontinuity on the main surface; measuring a distance between the at least one sharp edge and a turning center of the calibration piece for providing data of geometrical characteristics of the calibration piece; and deducing from the measured data a location of the lens machining tool according to a second direction (X) distinct from the first direction.
Xavier Bultez, Jerome Moine, Guillaume Bolteau, Jean-Pierre Chauveau
Filed: 6 Aug 15
Utility
Method and system for determining personalized near addition value, lens with such addition
11 Nov 19
A method for determining personalized near addition value for non-presbyopes, including measuring fusional amplitudes and phoria with at least one addition value, on both eyes of a person at a working distance; finding a mathematical function that predicts the change of a pair of fusional amplitudes and phoria as a function of addition value based on the addition value and the measured fusional amplitudes and phoria; and determining the near addition value according to a suitable relationship between the pair of fusional amplitudes and phoria on the mathematical function.
XinPing Yu, Jinhua Bao, Björn Drobe, Wenhui Lv, Hao Chen, Jinling Xu, Ge Wu
Filed: 6 Mar 14
Utility
Method for optimizing an optical surface
11 Nov 19
Method for optimizing an optical surface comprising: an initial optical surface providing step, a working optical surface defining step, during which a working optical surface is defined to be equal to the initial optical surface, a first surface cost function providing step, during which a first surface cost function of the nth derivative of the surface is provided, a set of surface cost functions providing step, during which a set of surface cost functions function of at least one criterion over evaluation zones is provided, a global surface cost function evaluation step during which a global surface cost function equal to a weighted sum of the previous cost functions is evaluated, a modifying step, during which the working surface is modified, wherein the evaluation and modifying steps are repeated so as to minimize the global surface cost function.
Fabien Muradore
Filed: 12 Jun 14
Utility
Method for determining an optical performance of a head mounted display device
4 Nov 19
Marius Peloux, Loic Baillon, Ludovic Jouard
Filed: 29 Oct 17