| 发明名称 |
MULTIFOCAL OPHTHALMIC LENSES AND PROCESSES FOR THEIR PRODUCTION |
| 摘要 |
The invention provides lenses that have zones of more than one optical power , or focal length, and a smooth transition between the zones of differing powe r.
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| 申请公布号 |
CA2379790(A1) |
申请公布日期 |
2001.01.25 |
| 申请号 |
CA20002379790 |
申请日期 |
2000.07.06 |
| 申请人 |
JOHNSON & JOHNSON VISION CARE, INC. |
发明人 |
ROSS, DENWOOD F.;GUILLON, MICHEL;ROFFMAN, JEFFREY H. |
| 分类号 |
G02C7/04;G02C7/06;(IPC1-7):G02C7/04;G02B3/10 |
主分类号 |
G02C7/04 |
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