Patent ID: 11890266

Abstract:
Pharmaceutical ocular compositions include levodopa, an antioxidant and an aqueous carrier. A wide selection of antioxidants can be included in the compositions, such as ascorbic acid, phenolic acids, sorbic acid, sodium bisulfite, sodium metabisulfite, acetyl cysteine, sodium thiosulfate, ethylene diamine tetraacetic acid, sodium nitrite, ascorbyl stearate, ascorbyl palmitate, alpha-thioglycerol, erythorbic acid, cysteine hydrochloride, citric acid, tocopherol or vitamin E, tocopherol acetate, dibutylhydroxytoluene, soybean lecithin, sodium thioglycolate, butylhydroxyanisole, propyl gallate, uric acid, melatonin, and thiourea, as well as salts and combinations of these antioxidants.