发明名称 Pinhole presbyopic contact lenses
摘要 A multi-focal simultaneous vision contact lens includes a central vision element and an outer vision element formed in a single, unitary, monolithic body of contact lens material. The central vision element has a diameter less than 2.00 mm. Additional vision elements, such as an intermediate range element, can be included, as well.
申请公布号 US2001050750(A1) 申请公布日期 2001.12.13
申请号 US20010870083 申请日期 2001.05.30
申请人 BREGER JOSEPH L. 发明人 BREGER JOSEPH L.
分类号 G02C7/04;(IPC1-7):G02C7/04 主分类号 G02C7/04
代理机构 代理人
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