Fig. 22. Mycotic ulcer. A, B, and C. Progression of a fungal corneal ulcer. D. Same eye after a penetrating graft. E. Note the ragged appearance of the stromal lamellae (arrow) and the heavy neutrophilic infiltration at the edge of the ulcer. The organisms are most easily found and most viable at the periphery of the ulcer. Hy, hypopyon. F. High magnification of the edge of the ulcer. The stromal lamellae are infiltrated with neutrophils and invaded by branching, septate hyphae of the mold. (A, B, C, and D, clinical [AFIP negs. 73-10965, 73-10966, 73-10963, and 73-10967]; E, HE, ×35 [AFIP] Acc. 831164]; F, PAS, ×400 [AFIP Acc. 831164]. A, B, C, and D modified from Zimmerman LE: Keratomycosis. Surv Ophthalmol 8:1, 1963; E and F, Fine BS: In King JH, McTigue JW [eds]: In The Cornea. Washington, DC, Butterworth Co, 1965)