Ultraviolet absorbing hydrophilic corneal contact lenses
Number of patents in Portfolio can not be more than 2000
United States of America
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Dec 4, 1990
Grant Date -
N/A
app pub date -
Jun 20, 1989
filing date -
Jun 20, 1973
priority date (Note) -
In Force
status (Latency Note)
Importance
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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