Polymeric compositions useful in oxygen permeable contact lenses

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...

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526242, 526245, 526247, 526279, 526318, 526325, 5263285, C08F 2210

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053469780

ABSTRACT:
Carboxylic acid esters devoid of beta hydrogens are homopolymerized or copolymerized with contact lens organic materials to form desirable contact lens materials and contact lenses. These materials have good contact lens properties, including desirable DK values, hardness, machineability and a desirable refractive index of at least 1.

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