| abstract |
An object of the present invention is to provide a better prescription of latanoprost eye drops. The present invention relates to an eye drop containing latanoprost as an active ingredient and blended with benzalkonium chloride as an antiseptic, 1) a means for blending a surfactant, and 2) benzalkonium chloride as formula [C 6 H 5 CH 2 N (CH 3 ) means for using benzalkonium chloride represented by 2 R] Cl, wherein R is an alkyl group having 12 carbon atoms, and 3) one or more means selected from means for combining nonionic isotonic agents as isotonic agents. It provides a clear eye drop that prevents clouding due to a change in formulation. |