title: Retinal arterial loop occlusion.
abstract: A case is described in which a right preretinal arterial loop was complicated by an obstructive episode, producing an altitudinal visual field defect. The mechanism of the occlusion of the retinal vascular loop and the pathogenesis of the associated vitreous hemorrhage are discussed.
mesh_terms: D000328:Adult; D001157:Arterial Occlusive Diseases / Q000150:complications / Q000000981:diagnostic imaging*; D005500:Follow-Up Studies; D006801:Humans; D008297:Male; D011859:Radiography; D012161:Retinal Artery; D012166:Retinal Hemorrhage / Q000209:etiology