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    • 3. 发明申请
    • A METHOD FOR COMPARING A FIRST OPHTHALMIC LENS WITH A SECOND OPHTHALMIC LENS
    • 用于比较具有第二眼镜的第一眼镜的方法
    • WO2016102553A1
    • 2016-06-30
    • PCT/EP2015/080952
    • 2015-12-22
    • ESSILOR INTERNATIONAL (COMPAGNIE GENERALE D'OPTIQUE)
    • CALIXTE, LaurentKARIOTY, FaridFROELIGER, Marie-GaëlleGOULARD, CédricCONTET, AudeDOUCIN, BrunoFERRE, Fanny
    • G02C7/02G02C7/06
    • G02C7/027G02C7/024G02C7/028G02C7/061
    • A method, implemented by computer means for comparing a first ophthalmic lens with a second ophthalmic lens, the method comprising: - a first optical function providing step, during which a first optical function of a first ophthalmic lens LI is provided, the first optical function comprising at least a first set of values of an optical parameter G j , the values of the first set of values corresponding to the values of said optical parameter of the first ophthalmic lens in a set of gaze directions, - a second optical function providing step, during which a second optical function of a second ophthalmic lens L2 is provided, the second optical function comprising at least a second set of values of the optical parameter G j , the values of the second set of values corresponding to the values of said optical parameter of the second ophthalmic lens in the set of gaze directions, - a subsets determining step, during which at least a first and a second subset of gaze directions are selected within the set of gaze directions, each subset of gaze direction comprising at least two gaze directions specific to said subset, - a comparison step, during which for each subset of gaze directions the value of the optical parameter of the first and second optical function are compared using a comparison function associated with said optical parameter, - an assignment step, during which a subset status is assigned to each subset of gaze directions, the subset status being based on the comparison of the value of the comparison function with at least two threshold values T1 and T2 associated with said optical parameter, wherein the subset status is selected among at least three levels.
    • 一种通过用于比较第一眼科镜片与第二眼科镜片的计算机装置实现的方法,所述方法包括: - 第一光学功能提供步骤,在所述第一光学功能提供步骤期间,提供第一眼科镜片LI的第一光学功能,所述第一光学功能 包括光学参数Gj的至少第一组值,第一组值对应于一组凝视方向中的第一眼科镜片的所述光学参数的值,第二光学功能提供步骤, 其中提供第二眼科镜片L2的第二光学功能,所述第二光学功能包括光学参数Gj的至少第二组值,所述第二组值对应于所述光学参数的值的值 在所述凝视方向集合中的第二眼科镜片, - 子集确定步骤,在该子集确定步骤期间,至少选择第一和第二视网状态子集, 在所述凝视方向集中,每个注视方向子集包括对于所述子集特有的至少两个注视方向, - 比较步骤,在该比较步骤期间,对于每个注视方向子集,第一和第二光学函数的光学参数的值为 比较使用与所述光学参数相关联的比较功能, - 分配步骤,在该分配步骤期间,将子集状态分配给每个注视方向子集,所述子集状态基于所述比较函数的值与至少两个阈值的比较 与所述光学参数相关联的值T1和T2,其中所述子集状态在至少三个级别中选择。
    • 4. 发明申请
    • A PROCESS FOR DETERMINING A PAIR OF PROGRESSIVE OPHTHALMIC LENSES
    • 一种确定渐进性眼镜镜片的方法
    • WO2014001491A1
    • 2014-01-03
    • PCT/EP2013/063603
    • 2013-06-28
    • ESSILOR INTERNATIONAL (COMPAGNIE GENERALE D'OPTIQUE)
    • DROBE, BjörnNG HWEI KIEN, PaulynCONTET, Aude
    • G02C7/02G02C7/06
    • G02C7/027G02C7/022G02C7/063
    • The process comprises: determining prescribed far vision mean power and addition for each lens of the pair; determining a reading direction for the wearer; defining a temporal side and a nasal side on each lens of the pair; defining, on each lens being worn and for each gaze direction, a refractive power and a module of resulting astigmatism, each gaze direction corresponding to a lowering angle and to an azimuth angle; defining a proximate vision gaze direction for each lens of the pair; defining, for each lens of the pair, a temporal half-width field of refractive power as the angular distance, at constant lowering angle, between the proximate vision gaze direction and a gaze direction on the temporal side of the lens where the refractive power reaches the value of the prescribed far vision mean power plus three quarters of the prescribed addition; defining, for each lens of the pair, a nasal half-width field of refractive power as the angular distance, at constant lowering angle, between the proximate vision gaze direction and a gaze direction on the nasal side of the lens where the refractive power reaches the value of the prescribed far vision mean power plus three quarters of the prescribed addition; defining, for each lens of the pair, a temporal half-width field of module of resulting astigmatism as the angular distance, at constant lowering angle, between the proximate vision gaze direction and a gaze direction on the temporal side of the lens where the module of resulting astigmatism reaches the value of one quarter of the prescribed addition; and defining, for each lens of the pair, a nasal half-width field of module of resulting astigmatism as the angular distance, at constant lowering angle, between the proximate vision gaze direction and a gaze direction on the nasal side of the lens where the module of resulting astigmatism reaches the value of one quarter of the prescribed addition. The ratio of the difference over the sum of temporal and nasal half- width fields of refractive power and/or the ratio of the difference over the sum of temporal and nasal half-width fields of module of resulting astigmatism are determined for each lens of the pair based on the reading direction determined for the wearer.
    • 该过程包括:确定所述对的每个镜片的规定的远视平均功率和加法; 确定佩戴者的阅读方向; 在该对的每个透镜上限定颞侧和鼻侧; 在每个透镜被佩戴并且对于每个注视方向,限定出所产生的散光的屈光力和模块,每个注视方向对应于下降角度和方位角; 为该对中的每个透镜定义近视目视方向; 对于该对的每个透镜,定义作为屈光力达到的透镜的时间侧上的邻近视线注视方向和注视方向之间的恒定降低角度的角距离的折射力的时间半宽度场 规定的远视力的平均值加上规定的加法的四分之三; 对于该对中的每个透镜,将折射光焦度的鼻半宽域作为恒定降低角度处的角距离,在近视目标方向和屈光力达到的透镜鼻侧上的视线方向之间 规定的远视力的平均值加上规定的加法的四分之三; 为所述对的每个透镜限定所得到的散光的模块的时间半宽度场,作为在所述透镜的时间侧上的近视视野方向和注视方向之间的恒定降低角度处的角距离,其中所述模块 产生的散光达到规定加法的四分之一的价值; 并且对于该对的每个透镜,限定所得到的散光的模块的鼻半宽域作为恒定降低角度处的角距离,其在近视视野方向和透镜鼻侧上的注视方向之间,其中 产生散光的模块达到规定加法的四分之一的值。 对于每个透镜的屈光度的时间和鼻部半宽度场的总和和/或差异与所得散光的模块的时间和鼻部半宽度场之和的总和的比率确定 基于为佩戴者确定的阅读方向。
    • 5. 发明申请
    • A PROCESS FOR DETERMINING A PAIR OF PROGRESSIVE OPHTHALMIC LENSES
    • 一种确定渐进性眼镜镜片的方法
    • WO2014001490A1
    • 2014-01-03
    • PCT/EP2013/063602
    • 2013-06-28
    • ESSILOR INTERNATIONAL (COMPAGNIE GENERALE D'OPTIQUE)
    • PAILLE, DamienROUSSEAU, BenjaminCONTET, AudePOULAIN, IsabelleVIALET, StéphanieKARIOTY, Farid
    • G02C7/02G02C7/06
    • A61B3/0025G02C7/025G02C7/027G02C7/061G02C7/063G02C13/005G02C2202/04
    • The process comprises: determining prescribed far vision mean power and addition for each lens of the pair; determining laterality of a wearer; defining a temporal side and a nasal side on each lens of the pair; defining, on each lens being worn and for each gaze direction, a refractive power and a module of resulting astigmatism, each gaze direction corresponding to a lowering angle and to an azimuth angle; defining a proximate vision gaze direction for each lens of the pair; defining, for each lens of the pair, a temporal half-width field of refractive power as the angular distance, at constant lowering angle, between the proximate vision gaze direction and a gaze direction on the temporal side of the lens where the refractive power reaches the value of the prescribed far vision mean power plus three quarters of the prescribed addition; defining, for each lens of the pair, a nasal half-width field of refractive power as the angular distance, at constant lowering angle, between the proximate vision gaze direction and a gaze direction on the nasal side of the lens where the refractive power reaches the value of the prescribed far vision mean power plus three quarters of the prescribed addition; defining, for each lens of the pair, a temporal half-width field of module of resulting astigmatism as the angular distance, at constant lowering angle, between the proximate vision gaze direction and a gaze direction on the temporal side of the lens where the module of resulting astigmatism reaches the value of one quarter of the prescribed addition; and defining, for each lens of the pair, a nasal half-width field of module of resulting astigmatism as the angular distance, at constant lowering angle, between the proximate vision gaze direction and a gaze direction on the nasal side of the lens where the module of resulting astigmatism reaches the value of one quarter of the prescribed addition. The ratio of the difference over the sum of temporal and nasal half-width fields of refractive power and/or the ratio of the difference over the sum of temporal and nasal half-width fields of module of resulting astigmatism are determined for each lens of the pair based on the laterality of the wearer.
    • 该过程包括:确定所述对的每个镜片的规定的远视平均功率和加法; 确定佩戴者的倾斜度; 在该对的每个透镜上限定颞侧和鼻侧; 在每个透镜被佩戴并且对于每个注视方向,限定出所产生的散光的屈光力和模块,每个注视方向对应于下降角度和方位角; 为该对中的每个透镜定义近视目视方向; 对于该对的每个透镜,定义作为屈光力达到的透镜的时间侧上的邻近视线注视方向和注视方向之间的恒定降低角度的角距离的折射力的时间半宽度场 规定的远视力的平均值加上规定的加法的四分之三; 对于该对中的每个透镜,将折射光焦度的鼻半宽域作为恒定降低角度处的角距离,在近视目标方向和屈光力达到的透镜鼻侧上的视线方向之间 规定的远视力的平均值加上规定的加法的四分之三; 为所述对的每个透镜限定所得到的散光的模块的时间半宽度场,作为在所述透镜的时间侧上的近视视野方向和注视方向之间的恒定降低角度处的角距离,其中所述模块 产生的散光达到规定加法的四分之一的价值; 并且对于该对的每个透镜,限定所得到的散光的模块的鼻半宽域作为恒定降低角度处的角距离,其在近视视野方向和透镜鼻侧上的注视方向之间,其中 产生散光的模块达到规定加法的四分之一的值。 对于每个透镜的屈光力的时间和鼻部半宽度场的总和之间的差值和/或差异对于所得散光的模块的时间和鼻子半宽度场之和的比率确定 基于佩戴者的偏心度对。