发明名称 |
Multi-focal lenses with segmented boundaries |
摘要 |
The invention provides multi-focal segmented lenses with boundaries that include at least one blended portion and at least one sharp portion. The lenses may possess, for example, the aesthetic advantage of blended multi-segment or progressive lenses while largely retaining the functional advantage of multi-segment lenses with sharp segment boundaries. |
申请公布号 |
US8297751(B2) |
申请公布日期 |
2012.10.30 |
申请号 |
US20100765146 |
申请日期 |
2010.04.22 |
申请人 |
SPRATT RAY STEVEN;MEISTER DARRYL;KRAUSE WOLF;CARL ZEISS VISION INC.;CARL ZEISS VISION INTERNATIONAL GMBH |
发明人 |
SPRATT RAY STEVEN;MEISTER DARRYL;KRAUSE WOLF |
分类号 |
G02C7/04;G02C7/06 |
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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