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Square-wave jerks on primary gaze

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Square-wave jerks on primary gaze

This patient with alcohol-related cerebellar degeneration has square-wave jerks on primary gaze. (Contributed by Dr. Olga Waln.)

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Associated Disorders

  • Dystonia and other facial spasms
  • Huntington disease
  • Movement disorders with ataxia
  • Neurodegeneration with brain iron accumulation and neuroacanthocytosis
  • Other movement disorders with ophthalmologic signs
  • Other parkinsonian disorders (multiple system atrophy, corticobasal degeneration, dementia with Lewy bodies)
  • Parkinson disease
  • Progressive supranuclear palsy
  • Psychogenic movement disorders
  • Tourette syndrome
  • Wilson disease