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Multifocal intraocular lens
专利权人:
VISION PRO (WUXI) LTD
发明人:
Xiugao Liao,Zhenyu Feng,Jinghui Cao,Qin Yang
申请号:
US16048374
公开号:
US10663763B2
申请日:
2018.07.30
申请国别(地区):
US
年份:
2020
代理人:
摘要:
The present invention is a multifocal intraocular lens including an optical body, a first support loop and a second support loop, wherein, the optical body is composed of a substrate layer and a coating layer; the substrate layer, the first support loop and the second support loop have a one-piece structure and are formed integrally with the same material; the coating layer is cemented on the substrate layer by means of injection-compression molding; the substrate layer and the coating layer are made of different materials. The optical body of the present invention is a multifocal optical zone with a double-cemented structure. The optical zone includes a plurality of binary surfaces and an aspheric surface, effectively correcting chromatic aberration of the secondary spectrum, improving image quality, expanding the range of additional optical power, and achieving a full range of vision.
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中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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