Refractive-diffractive ophthalmic device and compositions useful for producing same
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.
Jagrat Natavar DAVE
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G02C C08L A61L A61F A61F A61F G02B C08F A61F C08F C08F C08K C08F G02C A61F G02C G02C A61L A61L C08K A61F G02C
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Abhijit Bhagvat Vinod Chintamani Munavvar Tahir Sanjay Ram Swaroop
Patil Malshe Hussain Argal