Saline solution for treating contact lenses

Details Saline solution for treating contact lenses Saline solution for treating contact lenses

A - Human Necessities

01

N

A01N 55/08 (2006.01) A01N 25/30 (2006.01) A61L 12/14 (2006.01) C11D 1/83 (2006.01) C11D 3/00 (2006.01) C11D 3/02 (2006.01) C11D 3/20 (2006.01) C11D 3/33 (2006.01) C11D 3/48 (2006.01) G02C 13/00 (2006.01) C11D 1/04 (2006.01) C11D 1/72 (2006.01)

Patent

CA 2195087

Improved saline solutions useful in treating contact lenses are described. Unlike prior saline solutions used for similar purposes, the present solutions do not contain conventional antimicrobial agents which are potentially toxic to ocular tissues. Rather, the solutions contain a combinaison of a borate- polyol complex, one or more anionic or nonionic surfactants, and a low molecular weight amino acid (e.g., glycine). It has been found that this combination effectively preserves the saline solutions from antimicrobial contamination, is relatively nontoxic to ocular tissues, and is compatible with oxidizing agents used in certain contact lens disinfecting systems. The combination also facilitates the cleaning of contact lenses.

On décrit des solutions salées améliorées utiles pour traiter des lentilles de contact. Contrairement aux solutions salées de la technique antérieure destinées à des applications similaires, les présentes solutions ne contiennent pas d'agents antimicrobiens conventionnels qui sont potentiellement toxiques pour les tissus oculaires. A la place de ces agents, les solutions contiennent une combinaison d'un complexe borate-polyol, d'un ou de plusieurs tensioactifs anioniques ou non ioniques et d'un acide aminé à bas poids moléculaire (par exemple la glycine). On a trouvé que cette combinaison protège efficacement les solutions salées contre les contaminations microbiennes, qu'elle est relativement non toxique pour les tissus oculaires et qu'elle est compatible avec les agents oxydants utilisés pour certains systèmes de désinfection de lentilles de contact. Cette combinaison facilite également le nettoyage des lentilles de contact.

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