Results and ConclusionDelay lower accuracy of saccade test, decreased gain of OKN, asymmetry of horizontal ETT were showed in the patients with VBI.

结果和结论VBI患者存在眼动系统异常，表现为扫视时间延迟、准确度差、视动增益值降低，平稳跟踪的不对称性。

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Methods83 patients with VBI and 57 healthy controls were tested with electronystagmogram instrument, include saccade test, Eye Tracking Test (ETT) and optokinetic test(OKN).

方法采用眼震电图仪对83例VBI患者进行眼动系统相关检查，并和57例正常人进行对照研究。

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