Synthetic sapphire intraocular lens
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United States of America Patent
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-
Jul 28, 1992
Issued Date -
N/A
app pub date -
Feb 11, 1991
filing date -
May 11, 1990
priority date (Note) -
Expired
status (Latency Note)
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Abstract
There is disclosed a new and improved intraocular lens (IOL) for use by surgeons as a replacement for a person's cataractous lens. The disclosed lens is a synthetic sapphire lens having either a silicone or polyimide haptic thereby making the lens autoclavable. The lens is resistant to damage caused by YAG laser and eliminates the need for ridges of any kind on the surface of the lens which has previously been used to keep the lens off the posterior capsule of the crystalline lens. Eliminating the need for a ridge now allows the lens to be made much thinner and also eliminates the tiddlywink effect. The new IOL is approximately 1/3 to 1/5 the thickness of standard PMMA IOLs and is totally non-degradable.
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