Method for cleaning a contact lens
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United States of America Patent
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May 24, 1994
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N/A
app pub date -
Oct 20, 1992
filing date -
Sep 10, 1992
priority date (Note) -
Expired
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Abstract
A method for cleaning a contact lens, which comprises diluting an enzyme-containing aqueous solution containing an effective amount of serine protease and from 30 to 95% by weight of glycerol with a diluting solution containing from 0.05 to 5% by weight of an anionic surfactant having no polyoxyethylene glycol unit and from 0.005 to 0.1% by weight of ethylenediamine tetraacetate to a glycerol concentration of not higher than 5% by weight, to obtain a treating solution, and immersing a contact lens in the treating solution.
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