Ophthalmic solution for artificial tears

Details Ophthalmic solution for artificial tears Ophthalmic solution for artificial tears

A - Human Necessities

61

K

A61K 31/79 (2006.01) A61K 9/00 (2006.01) A61K 9/08 (2006.01) A61K 47/38 (2006.01)

Patent

CA 2125060

An ophthalmic artificial tear solution is described for treating irritation and dryness of the eyes with a formulation that includes polyvinylpyrrolidone, a preservative such as benzalkonium chloride, glycerin and hydroxypropyl methylcellulose, wherein the composition is an aqueous solution having isotonic properties with respect to the eye. The ophthalmic solution of the invention is characterized as having a low viscosity, preferably less than 5 cps, and a low surface tension, preferably less than 40 dynes/cm, wherein wettability, retainability and comfort of the user are enhanced.

Description d'une solution lacrymale artificielle permettant de traiter les yeux irrités et secs grâce à une formulation à base de polyvinylpyrrolidone, d'un agent de préservation comme le chlorure de benzalkonium, de glycérine et d'hydroxypropylméthylcellulose; la composition est une solution aqueuse possédant des propriétés isotoniques pour les yeux. La solution ophtalmique de l'invention est caractérisée par une faible viscosité, préférablement moins de 5 cP, et une faible tension superficielle, préférablement moins de 40 dynes/cm; la mouillabilité, la rétention d'humidité et le confort se trouvent améliorées chez l'utilisateur.

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