Fig. 20 Lefler-Wadworth-Sidbury foveal dystrophy. The stage 3 lesion is characterized by total pigment epithelial and choriocapillary atrophy within the macula. (Courtesy of Dr. Michael E. Barricks; G from Marmor, MF, Byers B: Pattern dystrophy of the pigment epithelium. Am J Ophthalmol. 84:32, 1977)