Acanthamoeba Keratitis: A 12-Year Experience Covering a Wide Spectrum of Presentations, Diagnoses, and Outcomes
Figure 1
Severity grade 1 ((a) and (b)): few cysts, confined to epithelium (note variable size of Acanthamoeba organisms in (a) and Langerhans cells in (b)), confined to small area of the cornea. Severity grade 2 ((c) and (d)): more numerous cysts with clearer morphology, limited to epithelium, confined to small area of the cornea.