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作者对125名连续观察5年以上的双侧外展神经麻痹的病例进行了分析,并与同期143名单侧外展神经麻痹的病例对照。其中大多数病例肉眼即可见眼球外展受限,轻度受限的病例则靠外展极慢以及在戴红色镜片或Zancaster复视试验时出现持久的外展不全来证实。木僵病人用眼脑反射及温度刺激时的眼球活动来判别。先天性外展麻痹只限于病史不清诊断困难的病例。眼眶机械性限制的病例则采用被动牵拉来判断眼球的被动运动。疑为重症肌无力的病例采用腾喜龙试验。偶尔对侧外展无力有时被认为是急性共同性内斜视。某些急性眼球轻瘫的病例(特别是滑车神经麻痹)在开始时仅在一个方向出现复视,以后在其他方向也出现影像分离的复
The authors analyzed 125 consecutive cases of bilateral abducens nerve palsy over 5 years and compared them with 143 cases of unilateral abducens nerve palsy over the same period. In most of these cases, eyeballs were limited to the naked eye, with mildly limited cases confirmed by an extremely slow outreach and long-lasting outreach with red lenses or Zancaster diplopia. Stupor patients with eye reflections and temperature to stimulate the eye when the activity to distinguish. Congenital outreach paralysis is limited to diagnosing ill-defined cases. Orbital mechanical limitations of the case is the use of passive traction to determine the passive eye movement. Suspected cases of myasthenia gravis test using Teng Long. Occasionally contralateral abduction is sometimes considered acute common esotropia. Some cases of acute eyeball palsy (especially tarsal nerve palsy) in the beginning only diplopia appeared in one direction, and later in other directions also appeared complex image separation