前部缺血性视神经病变是55岁以上患者最常见的视盘水肿的原因之一,此特征是由于视神经乳头血流中断的结果。最常见的原发性前部缺血性视神经病变系由许多全身病所致。血管炎:如多发性结节性动脉炎及过敏性血管炎,血管病:如高血压及动脉粥样硬化,血液病:如红细胞增多症,甚至手术原因如白内障摘出亦可引起缺血性视神经病变。一、动脉炎性前部缺血性视神经病变在已确定的病因中,巨细胞性动脉炎是眼科 Anterior ischemic optic neuropathy is one of the most common optic disc edema in patients over the age of 55, a feature that is a result of disruption of the optic nerve head blood flow. The most common primary ischemic optic neuropathy is caused by many systemic diseases. Vasculitis: such as multiple nodular arteritis and allergic vasculitis, vascular disease: such as hypertension and atherosclerosis, blood diseases: such as polycythemia, or even surgical causes such as cataract extraction can also cause ischemic optic nerve Lesions. First, arteritic anterior ischemic optic neuropathy In the identified causes, the giant cell arteritis is ophthalmology