ASSYMETRICAL PROGRESSIVE LENS
    1.
    发明申请
    ASSYMETRICAL PROGRESSIVE LENS 有权
    大型渐进镜头

    公开(公告)号:US20100097570A1

    公开(公告)日:2010-04-22

    申请号:US12255772

    申请日:2008-10-22

    IPC分类号: G02C7/06

    CPC分类号: G02C7/061 G02C7/066

    摘要: Progressive lens for viewing a field of vision having at least a first portion including objects in a first range of distances from a viewer and a second portion including objects in a second range of distances from the viewer, the lens comprising: at least two different power zones, the first power zone having lens power required by the viewer for the first range of distances of viewed objects from the viewer, and the second power zone having lens power required by the viewer for the second range of distances of viewed objects from the viewer, wherein the size and location on the lens of the first power zone correspond to size and location in the field of vision of the first portion, and wherein the size and location on the lens of the second power zone correspond to size and location in said field of vision of the second portion.

    摘要翻译: 用于观看视野的渐进透镜具有至少第一部分,该第一部分包括距离观看者的距离的第一范围内的物体和包括距观察者的第二距离范围内的物体的第二部分,所述透镜包括:至少两个不同的光焦度 区域,第一功率区域具有观看者对于从观看者观看的物体的第一距离距离所需的透镜光焦度,以及具有由观看者对来自观看者的观看对象的第二距离范围所需的透镜光焦度的第二功率区域 ,其中所述第一功率区的透镜上的尺寸和位置对应于所述第一部分的视野中的尺寸和位置,并且其中所述第二功率区的透镜上的尺寸和位置对应于所述第二功率区的尺寸和位置 第二部分的视野。