Hybrid contact lens system and method

Hybrid contact lens system and method

A hybrid contact lens comprises a central zone comprising a substantially rigid, gas permeable material having a DK of at least 30, a relatively soft peripheral zone and an intermediate zone comprising a film or coating that is created around the central zone, and then cured. The film facilitates ch...

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Hauptverfasser: Dahi, Ali, Chen, Barry, Collins, Joe, Legerton, Jerome, Benrashid, Ramezan
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Sprache:eng
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creator Dahi, Ali
Chen, Barry
Collins, Joe
Legerton, Jerome
Benrashid, Ramezan
description A hybrid contact lens comprises a central zone comprising a substantially rigid, gas permeable material having a DK of at least 30, a relatively soft peripheral zone and an intermediate zone comprising a film or coating that is created around the central zone, and then cured. The film facilitates chemical bonding between the central zone and the peripheral zone, and also provides a protective barrier to prevent modification of the physical characteristics of the central zone. The film may be created by soaking the central zone in a chemical solution for a predetermined amount of soaking time.
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The film facilitates chemical bonding between the central zone and the peripheral zone, and also provides a protective barrier to prevent modification of the physical characteristics of the central zone. The film may be created by soaking the central zone in a chemical solution for a predetermined amount of soaking time.</abstract><oa>free_for_read</oa></addata></record>
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title Hybrid contact lens system and method
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