Crystalline polymeric compositions for ophthalmic devices
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United States of America Patent
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Jan 20, 2004
Grant Date -
Oct 31, 2002
app pub date -
Feb 28, 2001
filing date -
May 22, 2000
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Abstract
Ophthalmic devices suitable for implantation into the eye through small incisions are disclosed. These devices are made from a composition comprising crystalline or semi-crystalline polymeric materials which have a glass transition temperature (T.sub.g) of from about -100.degree. C. to about 20.degree. C., a melting point temperature (T.sub.m) of from about 0.degree. C. to about 37.degree. C., and wherein T.sub.g for the material is lower than T.sub.m for the composition. Disclosed devices include intraocular lenses, corneal inlays, ocular drug delivery devices and implants for reducing intraocular pressure in glaucoma patients; intraocular lenses are preferred.
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