视乳头水肿是视神经乳头的被动性水肿,无原发性炎症改变。熟悉视乳头水肿的诊断,不仅对眼科,而且对其它各科多很重要。一、视乳头水肿的临床表现(一)眼底变化: 1.早期的视乳头水肿:诊断常比较困难,一般须同时结合几种轻微的变化加以判断,有时需要在若干天内反复检查,观察其发展情况,方能确定。早期视乳头水肿时,眼底可能出现下列几种变化。 Optic edema is a passive edema of the optic nerve head, no change in primary inflammation. Familiar with the diagnosis of papilledema, not only for ophthalmology, but also for other more important. First, the clinical manifestations of papilledema (a) fundus changes: 1. Early papilledema: the diagnosis is often more difficult, usually combined with several minor changes to be judged at the same time, and sometimes need repeated inspection in a few days to observe the development Situation, before we can determine. Early papilledema, the fundus may appear the following changes.