Long-Wearable Soft Contact Lens
AssigneeCooperVision International Holding Company, LP
InventorsJunichi Iwata, Tsuneo Hoki, Seiichirou Ikawa
Life of this patent
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Abstract
A mold for producing a soft contact lens, wherein the mold is capable of forming both front and rear surfaces of the lens from a surface of the mold during polymerization of a monomer composition.
Claims16
1-23. (canceled)
A silicone hydrogel contact lens having a surface contact angle in a range of 10-50 degrees by the captive bubble method in water and less than 110 degrees by the sessile drop method in air, an oxygen permeability having a Dk value of about 60 or more, and a water content of at least 10% by weight, wherein the silicone hydrogel contact lens comprises units of monomers including a polysiloxane monomer, and an amide monomer containing an N-vinyl group.
Dependencies are inferred from the claim text.