Ischemic optic neuropathy secondary to intestinal hemorrhage.
D000368:Aged; D006471:Gastrointestinal Hemorrhage / Q000150:complications*; D006801:Humans; D007511:Ischemia / Q000209:etiology*; D008297:Male; D009900:Optic Nerve / Q000098:blood supply*; D009901:Optic Nerve Diseases / Q000209:etiology*