Patent ID: 6258591
Filing Date: 2001-07-10
Classification: A61L,C11D,Y10S

Abstract:
A one-solution type of combined formulation for disinfecting, neutralizing and cleaning a contact lens, which comprises:(A) a first formulation containing an iodine-based disinfectant as a sole disinfectant and a proteolytic enzyme, wherein said iodine-based disinfectant is a member selected from the group consisting of povidone iodine and polyvinyl alcohol iodine, and(B) a second formulation containing a reducer and a foaming agent and having a delayed release coating, said reducer reduces iodine molecules remaining in a soft contact lens after disinfection and is a member selected from the group consisting of sodium hydrogen sulfite, sodium sulfite, sodium thio sulfate, ascorbic acid and sodium ascorbate, and at least one of the first and the second formulations containing a nonionic surfactant.