PRIMARY POSITION VERTICAL NYSTAGMUS - DIRECTIONAL PREPONDERANCE OF THE PURSUIT SYSTEM

被引:21
作者
MEHDORN, E [1 ]
KOMMERELL, G [1 ]
MEIENBERG, O [1 ]
机构
[1] UNIV BERN,NEUROL KLIN,CH-3010 BERN,SWITZERLAND
来源
ALBRECHT VON GRAEFES ARCHIV FUR KLINISCHE UND EXPERIMENTELLE OPHTHALMOLOGIE | 1979年 / 209卷 / 03期
关键词
D O I
10.1007/BF00414613
中图分类号
R77 [眼科学];
学科分类号
100212 ;
摘要
The essential disturbance in five patients with vertical nystagmus was an inability to generate smooth pursuit eye movements in the direction of the quick phase of their nystagmus. As the cause of this behavior, the authors suggest an asymmetric impairment of the visual input to the pursuit system. This defect causes a 'directional preponderance' of the pursuit system detectable as a continuous drift off target. The drift is interrupted by refoveating saccades, thus resulting in a vertical nystagmus. © 1979 Springer-Verlag.
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页码:209 / 217
页数:9
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