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FULL DEPTH OF FOCUS INTRAOCULAR LENS
专利权人:
Alcon Inc.
发明人:
Yueai Liu
申请号:
US16381359
公开号:
US20190314148A1
申请日:
2019.04.11
申请国别(地区):
US
年份:
2019
代理人:
摘要:
An ophthalmic lens comprising an anterior surface and a posterior surface, at least one of the anterior surface and posterior surface including a first surface region corresponding to a photopic aperture of a pupil and a second surface region corresponding to a difference between the photopic aperture and a mesopic aperture of the pupil. A first microstructure pattern formed in a the first surface region, the first microstructure pattern introducing a phase perturbation into an optical path of incoming light such that a full depth of focus for photopic vision is provided.
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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