Case 1, posterior fundus, right eye. Left frame: there are sclerotic central vessels and cotton-wool spots located inferotemporal to the optic disc and fovea. Hemorrhages are located along the superior and inferior vascular arcades. Right frame: late-phase fluorescein angiography shows minimal retrograde filling from the optic nerve circulation of the retinal vasculature with late intraretinal staining around the optic nerve. There is extensive capillary nonperfusion peripherally.