Method of controlling the ultraviolet polymerization of spin cast lenses
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United States of America Patent
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Aug 13, 1985
Issued Date -
N/A
app pub date -
Aug 17, 1984
filing date -
Sep 13, 1982
priority date (Note) -
Expired
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Abstract
A method of controlling the polymerization of spin cast hydrogel contact lenses by controlling the shape of the ultraviolet light beam across the rotating surface of the spin cast lens. To provide polymerization which progresses smoothly from the center to edge of the rotating lens.
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