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Gaze-Evoked Nystagmus 

Gaze-Evoked Nystagmus
Gaze-Evoked Nystagmus

Matthew J. Thurtell

, and Robert L. Tomsak

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date: 30 July 2021

Gaze-evoked nystagmus is the one of the most common types of nystagmus encountered in clinical practice, but it is poorly localizing. It is often confused with physiologic “end-point” nystagmus. In this chapter, we begin by discussing the pathogenesis of gaze-evoked nystagmus. We next describe its clinical features as well as features that help distinguish it from “end-point” nystagmus, which is physiologic and of no concern. We then review common causes of gaze-evoked nystagmus, which include drugs (especially anticonvulsants), cerebellar degenerations, multiple sclerosis, and episodic ataxias. Lastly, we discuss the diagnostic approach to the patient with gaze-evoked nystagmus and basic management strategies.

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