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Multifocal ophthalmic lens having chromatic aberration correction
专利权人:
Novartis AG
发明人:
Wei, Xin,Hong, Xin
申请号:
AU2018259230
公开号:
AU2018259230A1
申请日:
2018.04.05
申请国别(地区):
AU
年份:
2019
代理人:
摘要:
An ophthalmic lens includes an optic comprising an anterior surface, a posterior surface, and an optical axis. At least one of the anterior surface and the posterior surface has a surface profile including a base curvature, a refractive region having the base curvature, and a diffractive region comprising a diffractive profile including a plurality of diffractive steps. At least a portion of the diffractive profile constitutes a combination of a base diffractive profile defining multiple foci for the ophthalmic lens and an achromatizing structure that reduces longitudinal chromatic aberrations.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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