Figure 1

Red free fundus photographs and late phases of fluorescein angiography. (A, B) On initial examination, red free photograph and late phase of fluorescein angiography of the left eye demonstrated swelling of the optic disc, ischemic macular edema, narrowing of the arterioles, dilatation of the venules and superficial retinal hemorrhages. (C, D) Four weeks later, fundus examination of the initially uninvolved right eye revealed swelling of the optic disc with hemorrhages and ischemic macular edema.