| 单词 | Optic Neuropathy,Ischemic |
| 释义 | Optic Neuropathy,Ischemic《英文msh词典》Optic Neuropathy,Ischemic [主题词] Optic Neuropathy,Ischemic [同义词] Anterior Ischemic Optic Neuropathy [同义词] Ischemic Optic Neuropathy [同义词] Optic Nerve Ischemia [同义词] Posterior Ischemic Optic Neuropathy [入口词] Optic Neuropathy,Anterior Ischemic [入口词] Optic Neuropathy,Posterior Ischemic [入口词] Ischemia,Optic Nerve [入口词] Ischemias,Optic Nerve [入口词] Ischemic Optic Neuropathies [入口词] Nerve Ischemia,Optic [入口词] Nerve Ischemias,Optic [入口词] Neuropathies,Ischemic Optic [入口词] Neuropathy,Ischemic Optic [入口词] Optic Nerve Ischemias [入口词] Optic Neuropathies,Ischemic [中文释义] 视神经病变,缺血性 [英文释义] Ischemic injury to the optic nerve which usually affects the optic disk (optic neuropathy,anterior ischemic) and less frequently the retrobulbar portion of the nerve (optic neuropathy,posterior ischemic). The injury results from occlusion of arterial blood supply which may result from TEMPORAL ARTERITIS; ATHEROSCLEROSIS; COLLAGEN DISEASES; EMBOLI; DIABETES MELLITUS; and other conditions. The disease primarily occurs in the sixth decade or later and presents with the sudden onset of painless and usually severe monocular visual loss. Anterior ischemic optic neuropathy also features optic disk edema with microhemorrhages. The optic disk appears normal in posterior ischemic optic neuropathy. (Glaser,Neuro-Ophthalmology,2nd ed,p135) |
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