Herpes simplex dendritic keratitis after treatment with latanoprost for primary open angle glaucoma

Editor,—Medications used to treat glaucoma can cause side effects such as irritation, redness, foreign body sensation, and pain in the eye.1 There are reports that latanoprost has almost no serious side effects. We present two patients treated with latanoprost for primary open angle glaucoma who developed herpes keratitis. ### CASE REPORTS Case 1 A 68 year old female patient presented to the cornea department of the eye clinic, University of Athens, in January 1997. She was being treated for primary open angle glaucoma with latanoprost drops once daily for the past 3 months. Visual acuity …