PREPARATION OF ANTIMICROBIAL CONTACT LENSES WITH REDUCED HAZE USING SWELLING AGENTS
First Claim
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1. A method of preparing an antimicrobial lens comprising, a metal salt, wherein said method comprises the steps of(a) treating a cured lens, with a solution comprising salt precursor and a swelling agent,(b) treating the lens of step (a) with solution comprising a swelling agent for an appropriate period of time, and(c) treating the lens of step (b) with a solution comprising a metal agent and a swelling agent.
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Abstract
This invention relates to antimicrobial lenses containing metals and methods for their production.
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Citations
30 Claims
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1. A method of preparing an antimicrobial lens comprising, a metal salt, wherein said method comprises the steps of
(a) treating a cured lens, with a solution comprising salt precursor and a swelling agent, (b) treating the lens of step (a) with solution comprising a swelling agent for an appropriate period of time, and (c) treating the lens of step (b) with a solution comprising a metal agent and a swelling agent.
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16. An antimicrobial lens comprising, a metal salt, made by a method comprise the steps of
(a) treating a cured lens, with a solution comprising salt precursor and a swelling agent, (b) treating the lens of step (a) with solution comprising a swelling agent for an appropriate time, and (c) treating the lens of step (b) with a solution comprising a metal agent and a swelling agent.
Specification