What is the role of the gaze test in the diagnosis of dizziness, vertigo, and imbalance?

Updated: Mar 13, 2017
  • Author: Hesham M Samy, MD, PhD; Chief Editor: Robert A Egan, MD  more...
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Answer

The gaze test is used to evaluate the ability to generate and hold a steady gaze without drift or gaze-evoked nystagmus. The neural substrates of the gaze system are similar to those of the saccadic system. A direct-current ENG recording is used to distinguish electronic from pathologic drift. The most common abnormalities detected by the gaze test are gaze-evoked nystagmus and rebound nystagmus due to cerebellar disease.


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