Long-wearable soft contact lens
First Claim
1. A molded silicone hydrogel contact lens having a surface contact angle in a range of 10-50 degrees by the captive bubble method in water, 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.
1 Assignment
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Accused Products
Abstract
A hydrogel soft contact lens which is superior in extended-wearability, lens movement, wear comfort, and which does not adhere to a cornea when worn is provided. The lens provided can be a silicone hydrogel contact lens which contains units of hydrophilic siloxane monomers and amide-group-containing monomers having an N-vinyl group.
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Citations
20 Claims
- 1. A molded silicone hydrogel contact lens having a surface contact angle in a range of 10-50 degrees by the captive bubble method in water, 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.
Specification