title: Amaurosis and blood loss.
mesh_terms: D001766:Blindness / Q000209:etiology*; D003937:Diagnosis, Differential; D006471:Gastrointestinal Hemorrhage / Q000150:complications*; D006801:Humans; D007511:Ischemia / Q000150:complications*; D009900:Optic Nerve / Q000098:blood supply*; D009901:Optic Nerve Diseases / Q000209:etiology*; D010438:Peptic Ulcer Hemorrhage / Q000150:complications