发明名称 |
WETTABLE, FLEXIBLE, OXYGEN PERMEABLE CONTACT LENS CONTAINING BLOCK COPOLYMER POLYSILOXANE-POLYOXYALKYLENE BACKBONE UNITS, AND USE THEREOF |
摘要 |
This invention relates to ophthalmic devices, such as contact lenses and intraocular implants, and particularly contact lenses of a block copolymer containing polysiloxane and polyoxyalkylene oxide units possessing an advantageous blend of desirable properties including a) high oxygen permeability, b) good wettability, c) flexibility and d) optical clarity, in the ocular environment of use. Even the preparation thereof and methods of treating vision defects therewith are disclosed, as well as the polymers which may be used for said ophthalmic devices.
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申请公布号 |
CA1339224(C) |
申请公布日期 |
1997.08.05 |
申请号 |
CA19890591994 |
申请日期 |
1989.02.24 |
申请人 |
CIBA-GEIGY AG |
发明人 |
ROBERTSON, J. RICHARD;SU, KAI CHIANG |
分类号 |
A61L27/00;C08F290/06;C08F299/08;C08G18/61;C08G18/67;C08G77/46;C08G77/50;G02B1/04;G02C7/04;(IPC1-7):C08G77/46 |
主分类号 |
A61L27/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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