Color Plate 1 . Technique of superficial keratectomy in a case of Reis-Bücklers' dystrophy. A. Central epithelium is removed with a dry cellulose sponge. B. Central cornea with epithelium removed. C. Cellulose sponge is used to identify a plane in the fibrous membrane. Fibrous membrane is then peeled as continuous cellophane-like sheets with jeweler's forceps. D. Phase-contrast photomicrograph of keratectomy specimen. Note irregular epithelium, aberrant basement membrane zone, and dense subepithelial fibrous tissue that has replaced Bowman's layer. (Paraphenylenediamine, X 350)