Silicone hydrogel contact lenses
First Claim
1. A silicone hydrogel contact lens comprising:
- a polymeric lens body that is the reaction product of a polymerizable composition comprisinga) at least one mono-functional acrylate-containing siloxane monomer having a molecular weight of less than 2,000;
b) at least one bi-functional acrylate-containing siloxane monomer having a molecular weight of at least 3,000;
c) at least one hydrophilic vinyl-containing monomer; and
d) at least one vinyl-containing cross-linking agent,wherein the polymerizable composition has a molar ratio of total amount of mono-functional acrylate-containing siloxane monomer to total amount of bi-functional acrylate-containing siloxane monomer of at least 30;
1, respectively, andwherein the silicone hydrogel contact lens provides at least 97% light transmittance between 381 nm to 780 nm as measured in accordance with ISO 18369.
3 Assignments
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Accused Products
Abstract
Silicone hydrogel contact lenses that have good dimensional stability, are ophthalmically-acceptable, and can be manufactured without the use of alcohol solvents are formed from the reaction product of a polymerizable composition comprising at least one mono-functional acrylate-containing siloxane monomer having a molecular weight of less than 2,000; at least one bi-functional acrylate-containing siloxane monomer having a molecular weight of at least 3,000; and at least one hydrophilic vinyl-containing monomer, wherein the polymerizable composition has a molar ratio of total amount of mono-functional acrylate-containing siloxane monomer to total amount of bi-functional acrylate-containing siloxane monomer of at least 30:1, respectively.
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Citations
24 Claims
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1. A silicone hydrogel contact lens comprising:
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a polymeric lens body that is the reaction product of a polymerizable composition comprising a) at least one mono-functional acrylate-containing siloxane monomer having a molecular weight of less than 2,000; b) at least one bi-functional acrylate-containing siloxane monomer having a molecular weight of at least 3,000; c) at least one hydrophilic vinyl-containing monomer; and d) at least one vinyl-containing cross-linking agent, wherein the polymerizable composition has a molar ratio of total amount of mono-functional acrylate-containing siloxane monomer to total amount of bi-functional acrylate-containing siloxane monomer of at least 30;
1, respectively, andwherein the silicone hydrogel contact lens provides at least 97% light transmittance between 381 nm to 780 nm as measured in accordance with ISO 18369. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24)
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Specification