| abstract |
The present invention is an aqueous ophthalmic solution containing hyaluronic acid or a salt thereof at a concentration of 0.03 to 0.5% (w/v) and propylene glycol at a concentration of 0.1 to 1.0% (w/v), and the ophthalmic solution contains 0.001 to 0.002. Benzalkonium chloride, which is a concentration of % (w/v), is the only preservative and contains an ionic property such as an osmotic pressure ratio of the eye drops of 0.9 to 1.1. Eye drops of an isotonizing agent. |