Method of cleaning and disinfecting contact lens
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United States of America Patent
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Oct 13, 1998
Grant Date -
N/A
app pub date -
Jul 31, 1996
filing date -
Aug 2, 1995
priority date (Note) -
Expired
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Abstract
A method of simultaneously cleaning and disinfecting a contact lens is disclosed, which method comprises the steps of: (a) preparing a cleaning solution for the contact lens comprising an effective amount of a proteolytic enzyme, 15-60 w/v % (percent by weight/volume) of propylene glycol, 10-60 w/v % of glycerine, and water, a total content of the propylene glycol and glycerine being in a range of 30-80 w/v %; (b) diluting the cleaning solution with a disinfecting or storing liquid for the contact lens which contains an ionic antimicrobial agent, so as to provide a dilution; and (c) immersing the contact lens in the dilution.
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