| 发明名称 |
Translating presbyopic contact lens |
| 摘要 |
Lenses for correcting presbyopia are translating, multifocal contact lenses with pseudotruncations which are asymmetric about the vertical meridian. |
| 申请公布号 |
US9170434(B2) |
申请公布日期 |
2015.10.27 |
| 申请号 |
US201113243381 |
申请日期 |
2011.09.23 |
| 申请人 |
Johnson & Johnson Vision Care, Inc. |
发明人 |
Roffman Jeffrey H.;Jubin Philippe F.;Menezes Edgar V.;Gerligand Pierre-Yves;Clutterbuck Timothy A.;Chehab Khaled A. |
| 分类号 |
G02C7/04 |
主分类号 |
G02C7/04 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A translating presbyopic contact lens comprising an optical zone, a peripheral zone around the optical zone and a pseudotruncation which is asymmetric about the vertical meridian and the radial position of the peak thickness value of the pseudotruncation at any meridian around the lens is substantially contstant, the arc being a portion of a concentric circle about the lens center and wherein the center circumference of the lens is not circular and not concentric about the lens center. |
| 地址 |
Jacksonville FL US |
