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Instability of eye position in the dark in cerebellar degeneration

, : Instability of eye position in the dark in cerebellar degeneration. Ophthalmologica. Journal International D'ophtalmologie. International Journal of Ophthalmology. Zeitschrift für Augenheilkunde 196(1): 35-39

Fourteen cases of spinocerebellar degeneration were examined. While the patients attempted to keep their eyes in the primary position, horizontal eye movements were recorded for 1 min in total darkness by infrared reflection oculography. Instability of eye position in the dark was observed in 10 patients. The range of the eye position error was 3-6 degrees in 6 patients, 6-10 degrees in 3 patients and over 10 degrees in 1 patient. These results indicate that the cerebellum plays an important role in extraretinal (nonvisual) eye position control.


PMID: 3162300

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