Fig. 1 Flat anterior iris insertion in trabeculodysgenesis. The iris inserts flatly and abruptly into the trabecular meshwork. Small iris processes are often visible on the trabecular surface. (Hoskins HD Jr., Shaffer RN, Hetherington J: Anatomical classification of the development of glaucomas. Arch Ophthalmol 102:1331, 1984. Copyright © 1984, American Medical Association.)