"TORIC-DIFFRACTIVE LENS"

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专利权人:

发明人:

PATIL ABHIJIT BHAGVAT,ARGAL SANJAY RAM SWAROOP,HUSSAIN MUNAVVAR TAHIR

申请号：

IN135/Mum/2013

公开号：

IN2013MU00135A

申请日:

2013.01.15

申请国别(地区):

IN

年份:

2014

代理人:

摘要：

A multifocal lens device is disclosed. The device comprises, a lens body having two opposite sides, wherein a first side has an aspheric profile and a diffractive pattern formed thereon, and the second side has a toric profile and is devoid of any diffractive pattern. In some embodiments of the present invention the diffractive pattern covers at least 80% of an area of the aspheric profile.

来源网站：

中国工程科技知识中心

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http://www.ckcest.cn/home/