“…58,59 When administered once daily to normotensive dogs of various breeds, latanoprost significantly reduced IOP in the treated eye by approximately 22% to 40%, depending on the study. 8,31,56,58,60 The maximum hypotensive effect was noted on the fifth day of therapy, and the greatest reduction in IOP was noted 6 hours after application. 58,60 In laboratory beagles with POAG, latanoprost also significantly reduced IOP by approximately 50% (19.1-26.6 mm Hg) when administered at both a once-and twice-daily dosing frequency.…”