Method and apparatus for subjective refraction

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专利权人:

发明人:

申请号：

EP11000675.6

公开号：

EP2363058B1

申请日:

2011.01.28

申请国别(地区):

EP

年份:

2014

代理人:

摘要：

An article for performing a subjective refraction includes a lens having a mean power that varies across the lens in a first direction and a cylindrical power that varies across the lens in a second direction, orthogonal to the first direction, wherein the mean power varies by four diopters or more and the cylindrical power varies by four diopters or more.

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