Method for manufacturing ophthalmic lenses
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United States of America Patent
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-
Jun 5, 2001
Grant Date -
N/A
app pub date -
May 13, 1999
filing date -
May 13, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention provides methods for producing ophthalmic lens by casting resin layers onto an optical preform. Resin containment in the mold assembly is achieved by the use of a high viscosity resin bead.
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