发明名称 |
Underwater contact lens |
摘要 |
To permit vision underwater, a contact lens has a center portion that includes underwater correction of vision and a peripheral portion that sufficiently conforms in curvature with the cornea of an eye to hold the contact lens to the eye. In one embodiment, the lens provides a correction adequate for both underwater and above water use and in another embodiment, underwater correction is provided when wet and above water correction is provided when dry.
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申请公布号 |
US6048063(A) |
申请公布日期 |
2000.04.11 |
申请号 |
US19980184693 |
申请日期 |
1998.11.02 |
申请人 |
FRITSCH, MICHAEL H.;FRITSCH, THOMAS M. |
发明人 |
FRITSCH, MICHAEL H.;FRITSCH, THOMAS M. |
分类号 |
G02C7/04;(IPC1-7):G02C7/04 |
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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