Ophthalmic solution for artificial tears

Drug – bio-affecting and body treating compositions – Topical body preparation containing solid synthetic organic... – Ophthalmic preparation

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Details

424 7823, 424 7836, A61K 3116, A61K 31395

Patent

active

055914268

ABSTRACT:
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.

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53 Fed. Reg. 7076 (Mar., 1988), 21 CFR Parts 349 and 369, Ophthalmic Drug Products for Over-the-Counter Human Use; Final Monograph; Final Rule.
Tiffany, Winter and Bliss, Current Eye Research, vol. 8, Nov. 5, 1989 "Tear Film Stability and Tear Surface Tension", pp. 507-515.

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