A 72-year-old male presented with complaints of sudden diminution of vision in his left eye associated with a severe headache, nausea, and vomiting of 15 days duration. He gave a history of noncompliance to chemotherapy for gastric adenocarcinoma (after partial radical gastrectomy) 7 months back. Best-corrected visual acuity in the right eye was 20/40 and no light perception in the left eye. An afferent pupillary defect was detected in the left eye.
Fundoscopy revealed papilledema in both eyes with a central retinal vein occlusion (CRVO) in the left eye [Figure 1]. There was no involvement of cranial nerves other than both optic nerves. Visual fields tested by confrontation field testing were within normal limits for the right eye. Magnetic resonance imaging (MRI) brain and orbit showed irregular dilatation of ventricles with periventricular hyperintensities suggestive of…
