Prismatic intraocular lenses and related methods of in situ alteration of their optical characteristics
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United States of America Patent
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Mar 17, 1998
Grant Date -
N/A
app pub date -
Aug 6, 1996
filing date -
Aug 6, 1996
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Prismatic intraocular lenses are disclosed for restoring visual function to an eye having macular degeneration. The lenses each include a convex lens optic for receiving and focusing light rays, a prismatic wedge located posterior to the convex lens optic for receiving and directing light rays to a first portion of a retina of the eye, and means for in situ alteration of the optical characteristics of the intraocular lens to direct light rays to a second functional portion of the retina.
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