Ultraviolet absorbing corneal contact lenses
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United States of America Patent
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Dec 8, 1981
Issued Date -
N/A
app pub date -
Nov 15, 1976
filing date -
Jun 20, 1973
priority date (Note) -
Expired
status (Latency Note)
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Abstract
This invention relates to ultraviolet absorbing lenses, particularly corneal contact lenses, comprising a polymeric shaped body having an ultraviolet absorber dispersed substantially uniformly throughout said body and being in a steady state with respect to extraction thereof from said body by an aqueous medium, and to the method of making such lenses.
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