Gaze-evoked nystagmus (GEN)

Written and reviewed by Dr Ibrahim Imam, Consultant Neurologist. Last reviewed .

Gaze-evoked nystagmus (GEN). This is nystagmus provoked by gaze. It manifests as jerky oscillations. Fully referenced neurology checklist.

Clinical features

  • This is nystagmus provoked by gaze
  • It manifests as jerky oscillations
  • It may demonstrate transient rebound nystagmus

Causes

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References

  1. Serra A, Leigh RJ. Diagnostic value of nystagmus: spontaneous and induced ocular oscillations. JNNP 2002; 73:615–618.
  2. Abadi RV. Mechanisms underlying nystagmus. J R Soc Med 2002; 95:231–234.
  3. Shirota S, Nishioka H. Gaze-evoked nystagmus in Wernicke encephalopathy. Clin Case Rep 2022; 10:e05615. 
  4. Romano F, Tarnutzer AA, Straumann D, Ramat S, Bertolini G. Gaze-evoked nystagmus induced by alcohol intoxication. J Physiol 2017; 595:2161-2173.
  5. Rett D. Gaze-evoked nystagmus: a case report and literature review. Optometry 2007; 78:460-464.
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