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Antimicrobial lenses, processes to prepare them and methods of their use

  • US 7,416,737 B2
  • Filed: 06/30/2004
  • Issued: 08/26/2008
  • Est. Priority Date: 11/18/2003
  • Status: Expired due to Fees
First Claim
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1. A packaging solution for packaging an ophthalmic device comprising at least one antimicrobial metal salt having a Ksp of less than about 10

  • 10 wherein said solution has an osmolality of about 220 mOsm/kg or greater and is substantially free from packaging solution salts which have anions which when combined with a cation from said antimicrobial metal salt form a second salt, such that said ophthalmic device loses less than about 30% by weight of said antimicrobial metal salt during autoclaving and storage in said packaging solution.

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