Disinfection system of contact lens
AssigneeMenicon Co., Ltd.
InventorsOsamu Mori, Yukihiro Kojima
Life of this patent
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Abstract
A disinfection system of a contact lens comprising immersing the contact lens in a disinfecting solution containing hydrogen peroxide in a concentration of 1 to 10% and neutralizing the hydrogen peroxide in the disinfecting solution through contact with a metal catalyst, where the disinfecting solution contains an organic carboxylic acid or a salt of the organic carboxylic acid, the organic carboxylic acid having a structure in which a hydroxyl group and a carboxyl group are bonded to one carbon atom; the disinfecting solution is adjusted to have a pH of 6 to 8; and the disinfecting solution after the neutralization is adjusted to have an osmotic pressure of 250 to 350 mOsm.
Claims18
A contact lens disinfecting solution, comprising:
- hydrogen peroxide at a concentration of 1 to 10 wt %;
- and
- at least one of an organic carboxylic acid and a salt thereof which comprises a hydroxyl group and a carboxyl group that are bonded to one carbon atom.
A contact lens disinfecting system, comprising:
- a metal catalyst that is capable of decomposing hydrogen peroxide;
- and
- a contact lens disinfecting solution, comprising:
- hydrogen peroxide at a concentration of 1 to 10 wt %;
- and
- at least one of an organic carboxylic acid and a salt thereof which comprises a hydroxyl group and a carboxyl group that are bonded to one carbon atom.
Dependencies are inferred from the claim text.