发明名称 |
REFRAKTIV-DIFFRAKTIVE LINSE |
摘要 |
<p>A multifocal lens device is disclosed. The device comprises a lens body being formed with a plurality of concentric annular zones separated by slanted steps. The concentric zones effect both diffraction and refraction of incident light, while the steps are substantially devoid of any diffractive or refractive power.</p> |
申请公布号 |
AT557307(T) |
申请公布日期 |
2012.05.15 |
申请号 |
AT20100152384T |
申请日期 |
2010.02.02 |
申请人 |
POLYMER TECHNOLOGIES INTERNATIONAL (EOU) |
发明人 |
ARGAL, SANJAY RAM SWAROOP;HUSSAIN, MUNAVVAR TAHIR |
分类号 |
G02B5/18;A61F2/16;G02C7/04;G02C7/06 |
主分类号 |
G02B5/18 |
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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