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    • 2. 发明申请
    • A LENS CUSTOMIZING METHOD
    • 镜头定制方法
    • WO2010072837A1
    • 2010-07-01
    • PCT/EP2009/067912
    • 2009-12-24
    • ESSILOR INTERNATIONAL (COMPAGNIE GENERALE D'OPTIQUE)MOINE, JérômeSAHLER, Jean
    • MOINE, JérômeSAHLER, Jean
    • G02C7/02
    • G02C7/061G02C7/024
    • Method for customizing an initial ophthalmic lens, the initial ophthalmic lens being customized so as to provide a customized ophthalmic lens, the method comprising: a initial ophthalmic lens data providing step (S1) in which initial data representing the initial ophthalmic lens is provided; a constraint data providing step (S2) in which constraint data comprises at least the outline, the minimum thickness at the optical centre and the minimum thickness at the edges of the initial ophthalmic lens; a prism determining step (S3) in which the prism to be applied to the initial ophthalmic lens so as to minimize the difference between the value of the chosen geometrical parameter of the customized ophthalmic lens and a desired value of the chosen geometrical parameter is determined, wherein the angle of the prism is smaller than or equal to 10°; and the customized ophthalmic lens fulfils the same constraint as the initial ophthalmic lens.
    • 用于定制初始眼科镜片的方法,所述初始眼镜片被定制以提供定制的眼科镜片,所述方法包括:初始眼科镜片数据提供步骤(S1),其中提供表示初始眼科镜片的初始数据; 约束数据提供步骤(S2),其中约束数据至少包括轮廓,光学中心处的最小厚度和初始眼镜片边缘处的最小厚度; 棱镜确定步骤(S3),其中确定施加到初始眼科镜片的棱镜以使定制的眼科镜片的所选择的几何参数的值与所选择的几何参数的期望值之间的差异最小化, 其中所述棱镜的角度小于或等于10°; 并且定制的眼科镜片实现与初始眼科镜片相同的约束。