| 发明名称 |
Multifocal contact lens with aspheric surface |
| 摘要 |
A contact lens is disclosed having a front surface and a back surface. The lens contains a continuously varying aspheric surface on one or more of these surfaces.
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| 申请公布号 |
US2002036748(A1) |
申请公布日期 |
2002.03.28 |
| 申请号 |
US20010881548 |
申请日期 |
2001.06.14 |
| 申请人 |
CHAPOY L. LAWRENCE;ROVANI WILLIAM;LETT JOHN B.W. |
发明人 |
CHAPOY L. LAWRENCE;ROVANI WILLIAM;LETT JOHN B.W. |
| 分类号 |
G02C7/02;G02C7/04;(IPC1-7):G02C7/04;G02C7/06 |
主分类号 |
G02C7/02 |
| 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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