Method for cleaning, preserving and disinfecting contact lenses

Details Method for cleaning, preserving and disinfecting contact lenses Method for cleaning, preserving and disinfecting contact lenses

1993-10-08

1995-04-25

Lewis, Michael

Cleaning and liquid contact with solids

Processes

Miscellaneous

B08B 308, B08B 310, B08B 700

Patent

active

054095468

ABSTRACT:
A method for cleaning and preserving a contact lens, characterized by using a treating solution containing an effective amount of a serine protease derived from bacteria belonging to genus Bacillus, a metal chelating agent, and boric acid and/or borax which stabilizes the serine protease at room temperature and having the osmotic pressure adjusted to a level of from 200 to 600 mOsm/kg-water, which method comprises dispensing the treating solution at the time of treatment, and immersing a contact lens in the dispensed treating solution.

REFERENCES:
patent: 4614549 (1986-09-01), Ogunbiyi et al.
patent: 5281277 (1994-01-01), Nakagawa et al.
patent: 5314823 (1994-05-01), Nakagawa
Database WPI, Derwent Publications Ltd., AN 92-337367, JP-A-4 243 215, Aug. 31, 1992.

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