Ultra violet, violet, and blue light filtering polymers for ophthalmic applications
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United States of America Patent
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Nov 30, 2010
Grant Date -
Nov 9, 2006
app pub date -
Feb 8, 2006
filing date -
May 5, 2005
priority date (Note) -
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Abstract
Opthalmic devices, particularity intraocular lenses (IOL), with improved contrast sensitivity and methods of making same. In one aspect, blue light blocking chromophores (BLBC) are diffused into, e.g. an IOL lens body to create a BLBC gradient in the lens. Orange dyes are preferred BLBCs.
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