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US 2010/0161051 A1Published application
Intraocular lens with extended depth of focus
OwnerXin Honginventor
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Abstract
An ophthalmic lens is disclosed, one embodiment comprising an optic having an anterior surface and a posterior surface disposed about an optical axis, wherein at least one of the surfaces has a profile characterized by superposition of a base profile and an auxiliary profile, the auxiliary profile comprising a continuous pattern of surface deviations from the base profile. The auxiliary profile is a sinusoidal profile and can be amplitude modulated, frequency modulated or both amplitude and frequency modulated. The ophthalmic lens can be an IOL.
Claims17
An ophthalmic lens, comprising
- an optic having an anterior surface and a posterior surface disposed about an optical axis, wherein:
- at least one of the surfaces has a profile characterized by superposition of a base profile and an auxiliary profile, the auxiliary profile comprising a continuous pattern of surface deviations from the base profile.
Dependencies are inferred from the claim text.