Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
July 9, 2013
Patent Application Number
12971607
Date Filed
December 17, 2010
Patent Citations Received
Patent Primary Examiner
Patent abstract
Systems and methods for providing enhanced image quality across a wide and extended range of foci encompass vision treatment techniques and ophthalmic lenses such as contact lenses and intraocular lenses (IOLs). Exemplary IOL optics can include a circular surface structure with limited adjacent echelettes which act as a diffractive or phase shifting profile.
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