| abstract |
A substantially isotonic, aqueous solution suitable for the sterilization of soft contact lenses having small or no propensity to cause ocular irritation which solution comprises a sterile aqueous solution of 0.00125 to 0.0025% of a chlorhexidine salt and sufficient tonicity adjusting agent to render the solution substantially isotonic said tonicity adjusting agent not containing ionic species producing a tonicity equivalent to more than a 0.3% solution of sodium chloride. |