Ophthalmic and contact lens solutions containing simple saccharides as preservative enhancers
AssigneeFXS Ventures, LLC
InventorFrancis X. Smith
Life of this patent
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Abstract
The present invention relates to an ophthalmic solution comprising 0.00001 to 10.0 weight percent of a simple saccharide, at least 0.00001 weight percent of a preservative, and not more than about 0.2 percent by weight chloride. The simple saccharide is chosen from the group consisting of: inositol; mannitol; sorbitol; sucrose; dextrose; glycerin; propylene glycol; ribose; triose; tetrose; erythrose; threose; pentose; arabinose; ribulose; xylose; xylulose; lyxose; hexose; allose; altrose; fructose; galactose; glucose; gulose; idose; mannose; sorbose; talose; tagatose; adlose; ketose; heptose; sedoheptulose; monosaccharides; disaccharides; sugar alcohols; xylitol; and polyol.
Claims20
A method for providing an ophthalmic solution comprising:
- contacting an eye with a single-part solution comprising 0.00001 to 10.0 weight percent of a simple saccharide selected from a group consisting of an aldose, a triose, a tetrose, a pentose, a hextose, and a heptose;
- at least 0.00001 weight percent of a preservative with a structure given by:
- wherein n is a number between 1 and 500 and Z is a divalent bridging group;
- and
- wherein the concentration of chloride in said solution is not more than 0.2 percent by weight.
Dependencies are inferred from the claim text.