Process for sterilizing a contact lens

Details Process for sterilizing a contact lens Process for sterilizing a contact lens

1992-12-16

1994-05-17

Warden, Robert J.

Chemical apparatus and process disinfecting, deodorizing, preser

Process disinfecting, preserving, deodorizing, or sterilizing

Using disinfecting or sterilizing substance

514840, 210668, A61L 218, C02F 142, B01J 3924

Patent

active

053125860

ABSTRACT:
Process for sterilizing a contact lens using an aqueous solution of a sterilant which may be a peroxygen disinfectant, an inorganic hypochlorite compound or a hypochlorite precursor compound. The process involves the steps of contacting the lens with the aqueous solution for a period of time sufficient to effect sterilization of the lens; and thereafter contacting the resultant aqueous solution and lens with an amount of activated carbon and for a period of time sufficient to decompose substantially all of any residual sterilant to ophthalmologically innocuous by-products.

REFERENCES:
patent: 3912451 (1975-10-01), Gaglla
patent: 4167561 (1979-09-01), Lamberti
patent: 4444785 (1984-04-01), Mandt
patent: 4472281 (1984-09-01), Kerridge
patent: 4495152 (1985-01-01), Yan et al.
patent: 4880601 (1989-11-01), Andermann et al.
patent: 4889689 (1989-12-01), Tsao
patent: 4976921 (1990-12-01), Itagaki
patent: 4978483 (1990-12-01), Redding
patent: 5011661 (1991-04-01), Schafer et al.
"Peroxygen Disinfectants" by M. G. C. Baldry and K. Dickinson, Specialty Chemicals, 1983, pp. 17 et seq.

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