发明名称 |
METHODS OF MANUFACTURING CONTACT LENSES |
摘要 |
A method of forming an ophthalmic lens suited for extended-wear periods without a clinically significant amount of corneal swelling and without substantial wearer discomfort. The lens has a balance of oxygen permeability and ion or water permeability, with the ion or water permeability being sufficient to provide good on-eye movement, such that a good tear exchange occurs between the lens and the eye. The manufacturing method requires the oxygen concentration of the polymerizable material to be low enough to produce a lens having a high ion permeability. A preferred oxygen concentration in the polymerizable material is a concentration below 200 ppm.
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申请公布号 |
WO9722019(A1) |
申请公布日期 |
1997.06.19 |
申请号 |
WO1996IB01368 |
申请日期 |
1996.12.06 |
申请人 |
NOVARTIS AG |
发明人 |
LOHMANN, DIETER;HOEPKEN, JENS;DOMSCHKE, ANGELIKA |
分类号 |
G02C7/04;A61L27/26;B29C39/42;B29C71/00;B29D11/00;C08G18/10;C08G18/50;C08G18/61;C08G18/81;G02B1/04;(IPC1-7):G02B1/04 |
主分类号 |
G02C7/04 |
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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