Figure 63From: Corneal dystrophiesFuchs corneal dystrophy. Higher magnification of the epithelium in Figure 62 illustrating the intraepithelial cysts and ectopic epithelial basement membrane. This non-specific tissue reaction occurs in many disorders affecting the corneal epithelium and is commonly referred to as epithelial basement membrane dystrophy. Periodic acid-Schiff stain.Back to article page