| 发明名称 |
IMPROVED DIFFRACTIVE MULTIFOCAL OPHTHALMIC LENS |
| 摘要 |
A diffractive, multifocal ophthalmic lens including an apodization zone with echelettes having a smoothly reduced step height to shift the energy balance from the near image to the distant image and thus reduce the glare perceived when viewing a discrete, distant light source.
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| 申请公布号 |
WO9744689(A1) |
申请公布日期 |
1997.11.27 |
| 申请号 |
WO1997US06688 |
申请日期 |
1997.04.23 |
| 申请人 |
ALCON LABORATORIES, INC. |
发明人 |
LEE, CHUN-SHEN;SIMPSON, MICHAEL, J. |
| 分类号 |
G02C7/06;A61F2/16;G02B3/10;G02B5/18;G02C7/04;(IPC1-7):G02B5/18 |
主分类号 |
G02C7/06 |
| 代理机构 |
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