公开(公告)号：US4854089A

公开(公告)日：1989-08-08

申请号：US171155

申请日：1988-03-16

申请人： Heriberto Morales

发明人： Heriberto Morales

IPC分类号： G02C7/04

CPC分类号： G02C7/048 ,  G02C7/041 ,  Y10T409/303752 ,  Y10T82/10

摘要： A bifocal contact lens is disclosed, having a posterior surface with a base curve, and an anterior surface having a distance vision curve defining a distance vision optical zone and a near vision curve defining a near vision optical zone. A first prism component is incorporated into the base curve. A second prism component is incorporated into the distance vision curve. A process for manufacturing the bifocal contact lens by lathe cutting is also disclosed.

摘要翻译： 公开了一种双焦距隐形眼镜，其具有具有基部曲线的后表面，以及具有限定远视光学区域的远视视线曲线的前表面和限定近视光学区域的近视曲线。 第一棱镜组件被并入到基础曲线中。 第二个棱镜组件被并入距离视力曲线。 还公开了通过车床切割制造双焦点隐形眼镜的方法。