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Pendular nystagmus

Last reviewed dd mmm yyyy. Last edited dd mmm yyyy

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Nystagmus is the involuntary rhythmic movement of the eyes.

The common form is called jerk nystagmus which consists of two movements:

  • a slow drift of the eyes
  • a rapid corrective movement back to the point of fixation

The second form is called pendular nystagmus which consists of movement which occur at roughly the same velocity in both directions.

Nystagmus may be caused by:

  • lesions in:
    • labyrintine-vestibular system
    • brainstem
    • cerebellum
  • congenital abnormalities
  • intoxication

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The content herein is provided for informational purposes and does not replace the need to apply professional clinical judgement when diagnosing or treating any medical condition. A licensed medical practitioner should be consulted for diagnosis and treatment of any and all medical conditions.

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