OPHTHALMIC SOLUTION CONTAINING HYALURONIC ACID OR SALT THEREOF AND PROPYLENE GLYCOL

摘要

An aqueous ophthalmic solution containing hyaluronic acid or a salt thereof at a concentration from 0.03 to 0.5% (w/v) and propylene glycol at a concentration from 0.1 to 1.0% (w/v) comprises as a sole preservative, benzalkonium chloride at a concentration from 0.001 to 0.002% (w/v) and comprises an ionic tonicity agent at such a concentration that an osmotic pressure ratio of the ophthalmic solution becomes from 0.9 to 1.1.