Disturbance of vision from loss of blood is of comparatively rare occurrence. Dufur found it but once in 30,000 eye cases. But the fact that hemorrhage from almost any part of the body and arising from almost any cause may have this grave sequel makes the condition one of considerable importance to the surgeon, internist and ophthalmic surgeon.
The exhaustive analysis made by Singer of the 198 cases of disturbances of vision following loss of blood, appearing in literature up to 1901, together with a study of those since reported, demonstrate the great diversity of the ocular phenomena, and indicates that the pathogenesis is not the same in all cases.
FACTORS IN THIS CONDITION
—It occurs with greater frequency in females than in males, principally for physiologic reasons, but the more frequent occurrence in males of intestinal hemorrhage from ulcer of the duodenum tends somewhat to equalize the relative
ZENTMAYER W. VISUAL DISTURBANCES FROM DISTANT HEMORRHAGE. JAMA. 1912;LIX(12):1050–1055. doi:10.1001/jama.1912.04270090294053
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