Material for a soft intraocular lens
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United States of America Patent
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Aug 21, 2001
Grant Date -
N/A
app pub date -
Feb 11, 1999
filing date -
Aug 20, 1997
priority date (Note) -
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status (Latency Note)
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Abstract
There is provided a material for a soft intraocular lens, which has excellent transparency and flexibility, can be inserted from a small incision and has an high refractive index independent on a water content. The material comprises (A) 5-25 % by weight of acrylate containing an aromatic ring, (B) 50-90 % by weight of 2-hydroxyethyl (meth)acrylate, and (C) 5-45 % by weight of a (meth)acrylate monomer having the coefficient of water absorption of the homopolymer thereof of not more than 30 % by weight, except for (A) acrylate containing an aromatic ring and (B) 2-hydroxyethyl (meth)acrylate.
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