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    Method of determining optical parameters of an ophthalmic lens
    1.
    发明授权
    Method of determining optical parameters of an ophthalmic lens 有权

    公开(公告)号：US09671618B2

    公开(公告)日：2017-06-06

    申请号：US14442945

    申请日：2013-11-13

    Applicant: ESSILOR INTERNATIONAL (COMPAGNIE GENERALE D'OPTIQUE)

    Inventor： Pascal Allione ,  Jean-Pierre Chauveau ,  Daniel Steigelman

    IPC: G02C7/02 ,  G02C7/06 ,  G01M11/02

    CPC classification number: G02C7/028 ,  G01M11/02 ,  G01M11/025 ,  G02C7/027 ,  G02C7/061

    Abstract: Method for determining the values of a set of n optical parameters (P1, P2, . . . , Pn) of an ophthalmic lens, n being an integer greater than or equal to 1, the method comprising: an nominal ophthalmic lens data providing step, an ophthalmic lens providing step, an optical surface measuring step, a surface errors determining step during which a set of m surface error parameters (α1, α2, . . . , αm) is determined, m being an integer greater than or equal to 1, an optical parameter determining step during which each optical parameter of the set of optical parameters is determined by: P i = P i , 0 + [ ∑ j = 1 m ⁢ ⁢ ( ∂ P i ∂ α j ) 0 × Δα j ] + A i with Pi the value of the ith optical parameter of the manufactured optical lens, Pi,0 the value of the ith optical parameter of the nominal optical lens, ( ∂ P i ∂ α j ) 0 the value of the derivative of Pi with respect to the jth surface error parameter αj on the nominal surface and Δαj the value of the jth surface error parameter, and Ai a combination of terms of order greater or equal to 2 for each Pi.

    Method for determining the feasibility of an ophthalmic lens
    4.
    发明授权
    Method for determining the feasibility of an ophthalmic lens 有权

    公开(公告)号：US10261341B2

    公开(公告)日：2019-04-16

    申请号：US14442590

    申请日：2013-11-13

    Applicant: Essilor International

    Inventor： Pascal Allione ,  Jean-Pierre Chauveau ,  Daniel Steigelmann

    IPC: G02C7/02

    Abstract: Method for determining the feasibility of an ophthalmic lens by an ophthalmic lens manufacturing process comprising: an ophthalmic lens data providing step, a set of surface parameters providing step, an optical parameters providing step during which a set of n optical parameters (P1, P2, . . . , Pn) is provided, n being an integer greater than or equal to 1, each optical parameter Pi being provided with a tolerance value εi, —a feasibility check determining step, during which the feasibility of the ophthalmic lens by the ophthalmic lens manufacturing process is determined by determining if for i from 1 to n: - ɛ i ≤ [ ∑ j = 1 m ⁢ ( ∂ P i ∂ α j ) 0 × Δ ⁢ ⁢ α j ] + A i ≤ ɛ i with ⁢ ⁢ ( ∂ P i ∂ α j ) 0 the value of the derivative of Pi with respect to the jth surface parameter αj on the nominal surface and Δαj the value of the jth surface parameter and Ai a combination of terms of order greater or equal to 2 for each Pi.

    Method Of Determining Optical Parameters Of An Ophthalmic Lens
    5.
    发明申请
    Method Of Determining Optical Parameters Of An Ophthalmic Lens 有权
    确定眼科镜片的光学参数的方法

    公开(公告)号：US20150286069A1

    公开(公告)日：2015-10-08

    申请号：US14442945

    申请日：2013-11-13

    Applicant: ESSILOR INTERNATIONAL (COMPAGNIE GENERALE D'OPTIQUE)

    Inventor： Pascal Allione ,  Jean-Pierre Chauveau ,  Daniel Steigelman

    IPC: G02C7/02 ,  G02C7/06 ,  G01M11/02

    CPC classification number: G02C7/028 ,  G01M11/02 ,  G01M11/025 ,  G02C7/027 ,  G02C7/061

    Abstract: Method for determining the values of a set of n optical parameters (P1, P2, . . . , Pn) of an ophthalmic lens, n being an integer greater than or equal to 1, the method comprising: an nominal ophthalmic lens data providing step, an ophthalmic lens providing step, an optical surface measuring step, a surface errors determining step during which a set of m surface error parameters (α1, α2, . . . , αm) is determined, m being an integer greater than or equal to 1, an optical parameter determining step during which each optical parameter of the set of optical parameters is determined by: P i = P i , 0 + [ ∑ j = 1 m   ( ∂ P i ∂ α j ) 0 × Δα j ] + A i with Pi the value of the ith optical parameter of the manufactured optical lens, Pi,0 the value of the ith optical parameter of the nominal optical lens, ( ∂ P i ∂ α j ) 0 the value of the derivative of Pi with respect to the jth surface error parameter αj on the nominal surface and Δαj the value of the jth surface error parameter, and Ai a combination of terms of order greater or equal to 2 for each P1.

    Abstract translation: 用于确定眼科镜片的一组n个光学参数（P1，P2，...，Pn）的值的方法，n是大于或等于1的整数，所述方法包括：标称眼科镜片数据提供步骤 ，眼镜透镜提供步骤，光学表面测量步骤，确定一组m个表面误差参数（α1，α2，...，αm）的表面误差确定步骤，m是大于或等于 1，光学参数确定步骤，在该光学参数确定步骤中，通过以下方式确定该组光学参数的每个光学参数：P i = P i，0 + [Σj = 1 m÷（∂P i∂αj）0×＆Dgr; αj] + A i，其中Pi是制造的光学透镜的第i个光学参数的值，Pi，0是标称光学透镜的第i个光学参数的值，（∂P i∂αj）0的值 Pi相对于标称表面上的第j个表面误差参数αj的导数，＆Dgr;αj第j个表面的值 误差参数，Ai为每个P1大于或等于2的项的组合。

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