Contact lens disinfecting system

Details Contact lens disinfecting system Contact lens disinfecting system

A - Human Necessities

61

L

A61L 2/18 (2006.01) A61L 12/12 (2006.01) G02C 13/00 (2006.01)

Patent

CA 2064471

A method is disclosed for disinfecting contact lenses with peroxide whereby the usual peroxide neutralization step is eliminated. This is accomplished by carrying out the disinfecting process at a hydrogen peroxide concentration of about 0.01 to less than 0.5% (w/v). In the preferred embodiment the peroxide is introduced into the system utilizing an effervescent tablet of an alkali metal perborate, percarbonate or persulfate, or urea peroxide.

Est présentée une méthode pour désinfecter les lentilles de contact à l'aide d'un peroxide avec lequel l'étape de neutralisation du peroxide est éliminée. Ceci s'effectue en réalisant le processus de désinfection à une concentration de peroxide d'hydrogène d'environ 0,01 à moins de 0,5 % (poids/volume). Dans une version préférée, le peroxide est introduit dans le système en utilisant un comprimé effervescent d'un perborate, d'un percarbonate ou d'un persulfate d'un métal alkalin, ou de peroxide d'urée.

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