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Multizonal lens with extended depth of focus
专利权人:
Theophilus Bogaert
发明人:
Theophilus Bogaert
申请号:
US12398933
公开号:
US08974526B2
申请日:
2009.03.05
申请国别(地区):
US
年份:
2015
代理人:
摘要:
An intraocular lens for providing enhanced vision includes an optic having a clear aperture having an outer diameter. The optic has opposing first and second surfaces disposed about an optical axis, the first surface including a cross-sectional profile. The optic further includes central and outer zones that fill the entire clear aperture of the optic. The central zone is disposed about the optical axis having an outer diameter, the profile in the vicinity of the central zone having a constant radius of curvature or a radius of curvature that increases with increasing radius from the optical axis.
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