Fig. 25 Pattern dystrophy of the pigment epithelium. Fluorescein angiography in mid arteriovenous phase of fellow eye of patient seen in Fig. 26 demonstrates the dendritiform or reticular hypofluorescent pattern corresponding to pigment clumping within the central macula. (Marmor MF, Byers B: Pattern dystrophy of the pigment epithelium. Am J Ophthalmology 84:32, 1977)