MACHINED LENS MOLDS AND METHODS FOR MAKING AND USING SAME
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United States of America Patent
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Issued Date -
May 6, 2010
app pub date -
Oct 21, 2009
filing date -
Nov 3, 2008
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Abandoned
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Abstract
Molds for making ophthalmic lenses are generally discussed herein with particular discussions extended to plastic injection molded ophthalmic lens molds that are subsequently machined to have customized optical quality lens-defining surfaces for producing customized ophthalmic lenses, including contact lenses. The present molds can be used to form multifocal zones, ballast zones, diagnostic marks and the like on the ophthalmic lenses without the need tor making post-cure modifications to the lenses.
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