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LENSES HAVING DIFFRACTIVE PROFILES WITH IRREGULAR WIDTH FOR VISION TREATMENT
专利权人:
AMO Groningen B.V.
发明人:
Robert Rosen,Franck Gounou
申请号:
US17103944
公开号:
US20210196453A1
申请日:
2020.11.24
申请国别(地区):
US
年份:
2021
代理人:
摘要:
Apparatuses, systems and methods for providing improved ophthalmic lenses, particularly intraocular lenses (IOLs), include features for providing improved extended depth of focus lenses. Exemplary ophthalmic lenses can include an optic including a diffractive profile including a plurality of echelettes, each echelette of the diffractive profile having a different width in r-squared space than any other echelette of the diffractive profile and each echelette of the diffractive profile being configured to distribute light to a distance focus.
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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