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Ophthalmic lens having an extended depth of focus
专利权人:
Novartis AG
发明人:
Milanovic, Zoran,Wei, Xin,Hong, Xin
申请号:
AU2017225591
公开号:
AU2017225591A1
申请日:
2017.02.15
申请国别(地区):
AU
年份:
2018
代理人:
摘要:
In certain embodiments, an ophthalmic lens (100) includes an optic (102) having an anterior surface (14), a posterior surface (106), and an optical axis (108). At least one of the anterior surface and the posterior surface includes a first zone (112) extending from the optical axis to a first radial boundary and a second zone (114) extending from the first radial boundary to the edge of the optic. The first zone includes an inner region (116) and an outer region (118) separated by a phase shift feature (120), the phase shift comprising a ridge extending outwardly from the inner region and the outer region.
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