Fig. 1. High-magnification slit-lamp photographs of patterns of superficial keratopathy. A. Dendritic pattern of epitheliopathy without ulceration produced by herpes simplex virus infection. B. Mucous plaques arranged in a branching pattern in a patient with herpes zoster ophthalmicus. C. Branching pattern produced by a healing epithelial defect. D. Corneal lesions of tyrosinemia.