c concentration of about 0 1 by weight to about 5 by weight an aqueous solution containing in the range of about 0 025 mg ml vitamin c to about 1 2 mg ml vitamin c and in the range of about 1 cysteine to about 5 cysteine is prepared the stabilized vitamin c solution is prepared with or is incorporated into an ocular solution to achieve a final vitamin c concentration of about 0 1 by weight to about 5 by weight an aqueous solution containing about 0 228 mg ml vitamin c and in the range of about 1 cysteine to about 5 cysteine is prepared the stabilized vitamin c solution is prepared with or is incorporated into an ocular solution to achieve a final vitamin c concentration of about 0 1 by weight to about 5 by weight an aqueous solution containing about 0 1 mg ml vitamin c to about 0 3 mg ml vitamin c and in the range of about 1 cysteine to about 5 cysteine is prepared the stabilized vitamin c solution is prepared with or is incorporated into an ocular solution to achieve a final vitamin c concentration of about 0 1 by weight to about 5 0 by weight vitamin c at about 0 78 mg ml 23 04 mg ounce and free cysteine in the range of about 0 0097 mg ml about 0 288 mg 1 ounce.