Coated ophthalmic lenses and method for coating the same
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United States of America Patent
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Jul 19, 1988
Issued Date -
N/A
app pub date -
May 31, 1985
filing date -
Sep 7, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An ophthalmic lens and a method for providing a thin coating thereon is disclosed. The coatings render the surfaces of the devices resistant to abrasion and have an SEB abrasion resistance to at least 20 psi. They are optically clear, aberration-free, and provide essentially exactly an optical surface having the desired surface configuration. The coating compositions employed contain reactive ethylenically unsaturated groups and are applied to a mold face and partially reacted. The coated mold is then used to cast the ophthalmic device.
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