Fig. 5

Time course of corneal ulcers in the medication group. Case 1: a Note the well-demarcated ulcer in middle of the upper cornea. b Two days later and after initiation of medication, the ulcer remains unchanged in size. c At day 28, complete epithelial closure and beginning scar formation are noted. Case 2: d Ulcer with ill-defined edges in the right upper nasal cornea. e 7 days later, the ulcer has markedly decreased in size. f. At day 28 after initiation of medication, a semi-transparent scar with full epithelial closure is noted