Null test compensators for ophthalmic lenses

被引：2

作者：

Trujillo-Schiaffino, G ^{[1
]}

Malacara-Hernández, D ^{[1
]}

机构：

[1] AC, Ctr Invest Opt, Leon 37000, Gto, Mexico

来源：

OPTICAL ENGINEERING | 2002年 / 41卷 / 11期

关键词：

lenses; optical testing; refractive index;

D O I：

10.1117/1.1512304

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Testing methods commonly used for ophthalmic lenses produce a power distribution map that treats the lens as an independent element. This map, however, does not necessarily correspond to the refractive correction state of the lens when the observer looks through it. We describe a method to obtain a refractive correction map of an ophthalmic lens, which is an improved representation of its actual performance. (C) 2002 Society of Photo-Optical instrumentation Engineers.

引用

页码：2910 / 2914

页数：5

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