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Refractive-diffractive ophthalmic device and compositions useful for producing same
专利权人:
Vinod Chintamani Malshe;Sanjay Ram Swaroop Argal;Munavvar Tahir Hussain;Abhijit Bhagvat Patil
发明人:
Sanjay Ram Swaroop Argal,Munavvar Tahir Hussain,Vinod Chintamani Malshe,Abhijit Bhagvat Patil
申请号:
US13808624
公开号:
US09310624B2
申请日:
2011.07.05
申请国别(地区):
US
年份:
2016
代理人:
摘要:
A multifocal ophthalmic device is disclosed, wherein the lens body comprises a curcuminoid compound as a UV-light stabilizer, and/or a co-polymeric composition which is derived from a pre-polymerization mixture of defined monomers. The lens body of the multifocal ophthalmic device is being formed with a plurality of concentric annular zones, which effect both diffraction and refraction of incident light, and which are separated by slanted steps that are substantially devoid of any diffractive or refractive power.
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