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公开(公告)号:WO2008037892A8
公开(公告)日:2008-05-29
申请号:PCT/FR2007001562
申请日:2007-09-25
Applicant: ESSILOR INT , DE GAUDEMARIS DIANE , GUILLOUX CYRIL , MURADORE FABIEN
Inventor: DE GAUDEMARIS DIANE , GUILLOUX CYRIL , MURADORE FABIEN
CPC classification number: G02C7/02 , G02C7/024 , G02C7/061 , G02C7/068 , G06F17/5009
Abstract: The invention relates to a method for determining an ophthalmic lens by optimisation, that comprises the steps of: defining a starting surface for a side of the lens having a central area (15) with a diameter D ini and a peripheral area (17) with a diameter D rac ; selecting an interpolation formula; optimising the lens by applying the interpolation formula to the central (15) and peripheral (17) areas in order to define an interpolated surface having a seam area (16), the interpolated surface minimising a merit function (FM) for different relative altitudes of the peripheral area (17) relative to the central area (15). The invention reduces the thickness of the lens without increasing the obliquity defects for a good visual comfort of the wearer.
Abstract translation: 本发明涉及一种通过优化确定眼科镜片的方法,其包括以下步骤:定义具有直径为中心区域(15)的透镜侧面的起始表面,以及 具有直径D rac rac;的周边区域(17); 选择插值公式; 通过将内插公式应用于中心(15)和外围(17)区域来优化透镜,以便限定具有接缝区域(16)的内插表面,内插表面使得不同相对高度的优点函数(FM)最小化 周边区域(17)相对于中心区域(15)。 本发明减少了镜片的厚度,而不会增加穿戴者良好视觉舒适度的倾斜性缺陷。
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公开(公告)号:BR112015030451B1
公开(公告)日:2022-05-03
申请号:BR112015030451
申请日:2014-06-13
Applicant: ESSILOR INT , ESSILOR INT
Inventor: MURADORE FABIEN
Abstract: método para otimizar um contorno medido de uma armação de óculos a presente invenção refere-se a um método implantado por meio de computador para otimizar um contorno medido de uma abertura de uma armação de óculos, em que o método compreende: - uma etapa de fornecimento de dados de contorno, - uma etapa de definição de contorno de trabalho, durante a qual um contorno de trabalho da armação de óculos é definido, - uma primeira etapa de fornecimento de função de custo de contorno, durante a qual uma primeira função de custo de contorno da m-ésima derivada da curva do contorno é fornecida, - uma etapa de fornecimento de conjunto de funções de custo de contorno, durante a qual um conjunto de funções de custo de contorno é fornecido, - uma etapa de avaliação de função de custo de contorno global durante a qual uma função de custo de contorno global é avaliada, - uma etapa de modificação de contorno, durante a qual o contorno de trabalho é modificado, em que as etapas de avaliação de função de custo de contorno global e de modificação de contorno são repetidas de modo a minimizar a função de custo de contorno global.
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公开(公告)号:AU2021206028A1
公开(公告)日:2022-06-09
申请号:AU2021206028
申请日:2021-01-08
Applicant: ESSILOR INT
Inventor: HAMLAOUI SAMY , CALEFF FLORIAN , GUEU STÉPHANE , SUSSET ARNAUD , MURADORE FABIEN , WANG NING
IPC: G01M11/02
Abstract: This method for retrieving at least one optical parameter of an ophthalmic lens comprises: obtaining (10) an image of a first and second patterns by using an image capture device located at a first position; from that image, obtaining (12) 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 (14) 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 (16) 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.
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公开(公告)号:BRPI0920136A2
公开(公告)日:2016-08-30
申请号:BRPI0920136
申请日:2009-10-16
Applicant: ESSILOR INT
Inventor: MURADORE FABIEN , ROSSI HÉLÈNE DE
IPC: G02C7/02
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公开(公告)号:AU2014280079A1
公开(公告)日:2015-12-17
申请号:AU2014280079
申请日:2014-06-13
Applicant: ESSILOR INT
Inventor: MURADORE FABIEN
Abstract: 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.
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公开(公告)号:AU2014280078A1
公开(公告)日:2015-12-17
申请号:AU2014280078
申请日:2014-06-13
Applicant: ESSILOR INT
Inventor: MURADORE FABIEN
Abstract: Method implemented by computer means for optimizing a measured contour of an opening of a spectacle frame, the method comprising: - a contour data providing step, - a working contour defining step, during which a working contour of the spectacle frame is defined, - a first contour cost function providing step, during which a first contour cost function function of the mth derivative of the curve of the contour is provided, - a set of contour cost functions providing step, during which a set of contour cost functions is provided, - a global contour cost function evaluation step during which a global contour cost function is evaluated, - a contour modifying step, during which the working contour is modified, wherein the global contour cost function evaluation and contour modifying steps are repeated so as to minimize the global contour cost function.
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公开(公告)号:IN3682CHN2014A
公开(公告)日:2015-09-25
申请号:IN3682CHN2014
申请日:2014-05-16
Applicant: ESSILOR INT
Inventor: MURADORE FABIEN , DE ROSSI HÉLÈNE
Abstract: ?t?tyNYNYNThe invention relates to a method for determining an ophthalmic lens wherein: a first and a second reference axes (G? G2) are determined the first reference axis being set to a value comprised between [ 20° + 20°] with ?t being the mean axis of astigmatism over a first temporal portion (Portion l) and the second reference axis being set to a value comprised between [ 20° +20°] with being the mean axis of astigmatism over a second nasal portion (Portion 2); a combined reference axis (G) is determined as a linear combination of the first and second reference axes; over the first portion the sphere value along the combined reference axis is superior to the sphere value along a perpendicular axis to the combined reference axis (Formula I); and over the second portion the sphere value along the combined reference axis is superior to the sphere value along a perpendicular axis to the combined reference axis (Formula I). The method enables an improved distortion without degrading the performance in term of correction of the optical power defect and optical residual astigmatism. This results in an increased comfort for the wearer. The invention further relates to a progressive ophthalmic lens a method for manufacturing a pair of progressive ophthalmic lens a set of apparatuses for manufacturing a pair of ophthalmic lenses a set of data a computer program product and a computer readable medium associated to this method.
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公开(公告)号:ES2694772T3
公开(公告)日:2018-12-27
申请号:ES11785003
申请日:2011-11-16
Applicant: ESSILOR INT
Inventor: DE ROSSI HÉLÈNE , MURADORE FABIEN
Abstract: Un procedimiento para determinar una lente oftálmica progresiva para un usuario, la lente que comprende un meridiano principal (32) que separa la lente en una zona nasal (Zona nasal) y una zona temporal (Zona temporal), el procedimiento que comprende las etapas de: - elegir una función óptica objetivo que representa el rendimiento que debe alcanzarse y que sea adecuado para el usuario para una prescripción que comprenda un valor de potencia de visión lejana y una adición que representa el incremento de potencia entre la visión lejana y la visión cercana y, opcionalmente, una prescripción de astigmatismo, la función óptica objetivo que define, para cada una de las direcciones de la mirada cuando se usa la lente, una potencia refractiva (Pα,ß), un módulo de astigmatismo (Astα,ß) y un eje de astigmatismo (γα,ß), cada una de las direcciones de la mirada correspondiente a un ángulo descendente (α) y a un ángulo de acimut (ß); - definir una superficie delantera de la lente y una superficie trasera de la lente, cada una de las superficies que tiene en cada uno de los puntos un valor medio de la esfera (SPHmedia), un valor de cilindro (CYL) y el eje de cilindro (γAX), - definir al menos una primera parte (Parte1) en la zona temporal (Zona_temporal) y al menos una segunda parte (Parte2) en la zona nasal (Zona_nasal), donde dichas partes se definen cuando se considera la visión central, donde la primera parte (Parte1) en la zona temporal está delimitada por las direcciones de mirada de 0° SPH(⌈ 1)); o - sobre la segunda parte (Parte2), el valor de la esfera (SPH(v2)) de la superficie delantera a lo largo del segundo eje de referencia es superior al valor de la esfera (SPH (⊥⌈ 2)) de la superficie delantera a lo largo de un eje perpendicular al segundo eje de referencia (SPH(⌈ 2) > SPH(⌈ 2)); - modificar la superficie trasera para cumplir con la función óptica objetivo.
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公开(公告)号:CA2748590C
公开(公告)日:2017-05-09
申请号:CA2748590
申请日:2009-12-24
Applicant: ESSILOR INT (COMPAGNIE GENERALE D'OPTIQUE)
Inventor: DE ROSSI HELENE , MURADORE FABIEN
Abstract: 1. A method for calculating a system (S) by optimization, the method comprising the steps of : i. providing a set of system parameters (SP) so as to define a starting system (SS), each system parameter (SP) being set up at a starting value; ii. defining a plurality of criteria (C k); iii. associating for each criterion (C k) a cost function (CF k); iv. defining a plurality of global cost functions (GCF1,..., GCF ND) by associating to each global cost function (GCF p) at least one cost function (CF k); v. defining a vector of variable parameters (X p) associated to each global cost function (GCF p) by selecting for each vector of variable parameters (X p) at least one system parameter (SP); vi. optimizing the plurality of global cost functions (GCF1,..., GCF ND) by modifying the values of the system parameters of the vectors of variable parameters (X1,..., X ND) so as to obtain an intermediate system (IS); vii) repeating step vi) until an equilibrium is reached so as to obtain a system (S).
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公开(公告)号:AU2013229379B2
公开(公告)日:2016-11-24
申请号:AU2013229379
申请日:2013-03-08
Applicant: ESSILOR INT
Inventor: GUEU STEPHANE , LAVILLONNIERE NICOLAS , MURADORE FABIEN , LAKHOUA ASMA
Abstract: The subject of the present invention is a method and a system for measuring the geometric or optical structure of an optical component. In particular, the invention relates to a method for measuring the geometric structure of a component bounded by a first side (10) and a second side (20), said method comprising steps of: (S1) measuring a first signal (MS1) resulting from a first conversion of a first probe signal (PS1), by at least said first side (10); (S2) measuring a second signal (MS2) resulting from a second conversion of a second probe signal (PS2), by at least said second side (20); (S3) determining a third conversion making it possible to convert a first set of coordinates (R1) associated with the measurement of the first signal (MS1) to a second set of coordinates (R2) associated with the measurement of the second signal (MS2); (S10) estimating said first side (10) using the first signal (MS1), said first simulation and a first cost criterion (V1) quantifying a difference between the estimation (ES1) and the first signal (MS1); and (S20) estimating said second side (20) using the second signal (MS2), said second simulation, said third conversion and a second cost criterion (V2) quantifying a difference between the estimation (ES2) and the second signal (MS2).
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