Method for manufacturing an ophthalmic lens comprising a marking step for producing permanent technical marks on said pohthalmic lens

    公开(公告)号:AP2015008391A0

    公开(公告)日:2015-04-30

    申请号:AP2015008391

    申请日:2013-09-26

    Applicant: ESSILOR INT

    Abstract: A method for manufacturing an ophthalmic lens (12), includes a marking step for producing permanent technical marks (24) on the lens, which includes a body (29), a first surface (20) and a second surface (28) opposite the first surface (20); the step of additive manufacturing (110-112) of the body and the first and second surfaces, by depositing a plurality of first predetermined volume elements of a first material having a first complex index of refraction (35), in order to obtain first and second optical surfaces, respectively, of the first and second surfaces; and the step of additive manufacturing (113) of the marks by depositing, during the deposition of a plurality of the first volume elements of the first material, at least one second predetermined volume element of a second material having a second complex index of refraction (30) other than the first complex index of refraction of the first material.

    PROCEDE DE FABRICATION D'UNE LENTILLE OPHTALMIQUE COMPORTANT UNE ETAPE DE MARQUAGE POUR REALISER DES MARQUES PERMANENTES TECHNIQUES SUR LADITE LENTILLE OPHTALMIQUE

    公开(公告)号:CA2884801C

    公开(公告)日:2020-12-08

    申请号:CA2884801

    申请日:2013-09-26

    Applicant: ESSILOR INT

    Abstract: L'invention concerne un procédé de fabrication d'une lentille ophtalmique (12), comportant une étape de marquage pour réaliser des marques permanentes techniques (24) sur ladite lentille, laquelle présente un corps (29), une première face (20) et une deuxième face (28) opposée à ladite première face (20), l'étape de fabriquer de manière additive (1 10-112) ledit corps et lesdites première et deuxième faces, par le dépôt d'une pluralité de premiers éléments de volume prédéterminés d'un premier matériau ayant un premier indice complexe de réfraction (35), afin d'obtenir des première et deuxième surfaces optiques respectivement des première et deuxième faces; et l'étape de fabriquer de manière additive (113) lesdites marques par le dépôt, lors dudit dépôt d'une pluralité desdits premiers éléments de volume dudit premier matériau, d'au moins un deuxième élément de volume prédéterminé d'un deuxième matériau ayant un deuxième indice complexe de réfraction (30) différent dudit premier indice complexe de réfraction dudit premier matériau.

    METHOD FOR SELECTING BASE-CURVES FOR AN OPHTHALMIC LENS AND RELATED SPECTACLE LENS MANUFACTURING METHOD

    公开(公告)号:CA2710592C

    公开(公告)日:2016-06-28

    申请号:CA2710592

    申请日:2008-12-23

    Abstract: A method for selecting base-curves for an ophthalmic lens according to given prescription data comprising the steps of : - providing a base-curve series consisting of a plurality of base-curves; - calculating a target lens according to the prescription data; - calculating the base-curves calculated lenses according to the prescription data; - selecting, for at least an optical parameter and/or a geometrical parameter, a threshold value for the difference between the base-curves calculated lenses values and the target lens value of said parameter (s}; -- determining the list of the base-curves of the base-curve series where said difference for said parameter (s) is less or equal to the selected threshold value (s).

    Method for manufacturing an ophthalmic lens comprising a marking step for producing permanent technical marks on said ophthalmic lens

    公开(公告)号:AU2013322436A1

    公开(公告)日:2015-05-07

    申请号:AU2013322436

    申请日:2013-09-26

    Applicant: ESSILOR INT

    Abstract: The invention relates to a method for manufacturing an ophthalmic lens (12), comprising a marking step for producing permanent technical marks (24) on said lens, which comprises a body (29), a first surface (20) and a second surface (28) opposite said first surface (20); the step of additive manufacturing (110-112) of said body and said first and second surfaces, by depositing a plurality of first predetermined volume elements of a first material having a first complex index of refraction (35), in order to obtain first and second optical surfaces, respectively, of the first and second surfaces; and the step of additive manufacturing (113) of said marks by depositing, during said deposition of a plurality of said first volume elements of said first material, at least one second predetermined volume element of a second material having a second complex index of refraction (30) other than said first complex index of refraction of said first material.

    Método para seleccionar curvas de base para una lente oftálmica y método de fabricación de lentes de gafas relacionadas

    公开(公告)号:ES2401456T3

    公开(公告)日:2013-04-19

    申请号:ES07301755

    申请日:2007-12-28

    Applicant: ESSILOR INT

    Abstract: Un método, al menos parcialmente implementado mediante ordenador, para seleccionar curvas de base enuna serie de curvas de base dada para un lente oftálmica de acuerdo con datos de prescripción determinados paracorregir los defectos de visión 5 de un individuo, que comprende las etapas de: - proporcionar una serie de curvas de base que consta de una pluralidad de curvas de base en las que la serie decurvas de base es una serie de piezas de partida de lente semiterminada con caras delanteras que aumentanincrementalmente de curvatura; - calcular por medio de ordenador una lente objetivo de acuerdo con los datos de prescripción dados del individuo; - calcular mediante ordenador una pluralidad de lentes calculadas de curvas de base de acuerdo con los datos deprescripción de manera que se calcula, para cada pluralidad de curvas de base, el sistema óptico de una lente en laque la cara delantera de la lente es la superficie delantera de la pieza de partida de lente semiterminadacorrespondiente a dicha curva de base y la cara trasera es optimizada de manera que se ajusta a los datos deprescripción dados; - seleccionar, para al menos un parámetro óptico y/o un parámetro geométrico, un valor umbral para la diferenciaentre cada uno de los valores de lentes calculadas de curvas de base y el valor de lente objetivo de dicho(s)parámetro(s); - determinar, para los datos de prescripción dados, una lista de curvas de base de la serie de curvas de base en laque dicha diferencia de dicho(s) parámetro(s) es menor o igual al valor(es) umbral seleccionado(s); -seleccionar una curva de base personalizada de la lista de curvas de base, en la que la curva de basepersonalizada es seleccionada de acuerdo con un criterio de personalización, en donde el criterio de personalizaciónes seleccionado de la lista que comprende valor de espesor de la lente final, curvatura delantera de la lente final,rendimiento óptico de la lente final.

    METHOD FOR SELECTING BASE-CURVES FOR AN OPHTHALMIC LENS AND RELATED SPECTACLE LENS MANUFACTURING METHOD

    公开(公告)号:CA2710592A1

    公开(公告)日:2009-05-28

    申请号:CA2710592

    申请日:2008-12-23

    Applicant: ESSILOR INT

    Abstract: A method for selecting base-curves for an ophthalmic lens according to given prescription data comprising the steps of : - providing a base-curve series consisting of a plurality of base-curves; - calculating a target lens according to the prescription data; - calculating the base-curves calculated lenses according to the prescription data; - selecting, for at least an optical parameter and/or a geometrical parameter, a threshold value for the difference between the base-curves calculated lenses values and the target lens value of said parameter (s}; -- determining the list of the base-curves of the base-curve series where said difference for said parameter (s) is less or equal to the selected threshold value (s).

    Method for manufacturing an ophthalmic lens comprising a marking step for producing permanent technical marks on said ophthalmic lens

    公开(公告)号:AU2013322436B2

    公开(公告)日:2017-11-23

    申请号:AU2013322436

    申请日:2013-09-26

    Applicant: ESSILOR INT

    Abstract: The invention relates to a method for manufacturing an ophthalmic lens (12), comprising a marking step for producing permanent technical marks (24) on said lens, which comprises a body (29), a first surface (20) and a second surface (28) opposite said first surface (20); the step of additive manufacturing (110-112) of said body and said first and second surfaces, by depositing a plurality of first predetermined volume elements of a first material having a first complex index of refraction (35), in order to obtain first and second optical surfaces, respectively, of the first and second surfaces; and the step of additive manufacturing (113) of said marks by depositing, during said deposition of a plurality of said first volume elements of said first material, at least one second predetermined volume element of a second material having a second complex index of refraction (30) other than said first complex index of refraction of said first material.

    PROCEDE DE FABRICATION D'UNE LENTILLE OPHTALMIQUE COMPORTANT UNE ETAPE DE MARQUAGE POUR REALISER DES MARQUES PERMANENTES SUR LADITE LENTILLE OPHTALMIQUE

    公开(公告)号:FR2996160A1

    公开(公告)日:2014-04-04

    申请号:FR1259197

    申请日:2012-09-28

    Applicant: ESSILOR INT

    Abstract: L'invention concerne un procédé de fabrication d'une lentille ophtalmique (12), comportant une étape de marquage pour réaliser des marques permanentes (24) sur ladite lentille, laquelle présente un corps (29), une première face (20) et une deuxième face (28) opposée à ladite première face (20), l'étape de fabriquer de manière additive (110-112) ledit corps et lesdites première et deuxième faces, par le dépôt d'une pluralité de premiers éléments de volume prédéterminés d'un premier matériau ayant un premier indice complexe de réfraction (35), afin d'obtenir des première et deuxième surfaces optiques respectivement des première et deuxième faces; et l'étape de fabriquer de manière additive (113) lesdites marques par le dépôt, lors dudit dépôt d'une pluralité desdits premiers éléments de volume dudit premier matériau, d'au moins un deuxième élément de volume prédéterminé d'un deuxième matériau ayant un deuxième indice complexe de réfraction (30) différent dudit premier indice complexe de réfraction dudit premier matériau.

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