Composite constructed optical lens

Composite constructed optical lens

The present invention describes composite constructed ophthalmic lenses comprising at least two layers of optical materials that provide a composite structure over a practical vision zone of the lens product, are identifiably disparate from each other, and are integrally bonded to each other such th...

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Hauptverfasser: Barzak Adam Ahmad, Zhao Lingbing Lynn, Ambler David Mark
Format: Patent
Sprache:eng
Schlagworte:
CONTACT LENSES
OPTICS
PHYSICS
SPECTACLES
SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURESAS SPECTACLES
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creator Barzak Adam Ahmad
Zhao Lingbing Lynn
Ambler David Mark
description The present invention describes composite constructed ophthalmic lenses comprising at least two layers of optical materials that provide a composite structure over a practical vision zone of the lens product, are identifiably disparate from each other, and are integrally bonded to each other such that the adhesion of the first layer to the second layer exceeds a ranking of at least 3 when tested according to specified tests. In a preferred embodiment, one layer comprises thermoplastic polycarbonate and the second layer comprises polyurea-urethane material and one or more additives. The first layer may comprise a polarizer. The composite lens may also comprise coatings or other components.
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In a preferred embodiment, one layer comprises thermoplastic polycarbonate and the second layer comprises polyurea-urethane material and one or more additives. The first layer may comprise a polarizer. The composite lens may also comprise coatings or other components.</description><language>eng</language><subject>CONTACT LENSES ; OPTICS ; PHYSICS ; SPECTACLES ; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURESAS SPECTACLES</subject><creationdate>2017</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=20170815&amp;DB=EPODOC&amp;CC=US&amp;NR=9733488B2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=20170815&amp;DB=EPODOC&amp;CC=US&amp;NR=9733488B2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>Barzak Adam Ahmad</creatorcontrib><creatorcontrib>Zhao Lingbing Lynn</creatorcontrib><creatorcontrib>Ambler David Mark</creatorcontrib><title>Composite constructed optical lens</title><description>The present invention describes composite constructed ophthalmic lenses comprising at least two layers of optical materials that provide a composite structure over a practical vision zone of the lens product, are identifiably disparate from each other, and are integrally bonded to each other such that the adhesion of the first layer to the second layer exceeds a ranking of at least 3 when tested according to specified tests. 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subjects CONTACT LENSES
OPTICS
PHYSICS
SPECTACLES
SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURESAS SPECTACLES
title Composite constructed optical lens
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