Infinite refractive index gradient (IRIG) polymers for ocular implant and contact lens applications
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United States of America Patent
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Dec 28, 2010
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app pub date -
Mar 23, 2006
filing date -
May 5, 2005
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Abstract
Infinite gradient refractive index ophthalmic devices and methods of making same. The method involves diffusing a monomer which polymerizes to a lower or higher corresponding opposite refractive index polymer into a lower or higher index polymer structure and polymerizing same to create the gradient structure. The resulting polymeric structure is used to manufacture ophthalmic devices, e.g., intraocular lenses.
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