| abstract |
PROBLEM TO BE SOLVED: To provide a novel eye drop containing brimonidine. SOLUTION: Brimonidine and / or a salt thereof, a water-soluble polymer, and benzalkonium chloride are contained, and the content of brimonidine and / or a salt thereof is 0.05 w / v% to 0.2 w / v%. The water-soluble polymer content is 0.1 w / v% to 1.5 w / v%, the benzalkonium chloride content is 0.001 w / v% to 0.01 w / v%, and An ophthalmic solution in which the weight ratio of brimonidine and / or a salt thereof to benzalkonium chloride is 1: 0.01 to 0.1. [Selection figure] None |