Fig. 1

Evolution of the shield ulcer in the right eye. Right cornea with a shield ulcer measuring 6.0 mm vertically and 2.7 mm horizontally (a). The ulcer persisted after drug treatment (b). Increase in the epithelial defect after maintenance of drug treatment for 90 days, and the defect returned to the size obtained in the first evaluation (c). Clinical picture 7 days after surgical debridement, with complete re-epithelialization of the cornea (d). Slight opacity in the anterior stroma in the area of the previous ulcer (e). Slight opacity in the anterior stroma 10 months after surgical removal of the plaque (f)