What is included in the vestibular exam 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

A robust oculocephalic reflex and intact visual acuity with active head movements (dynamic visual acuity) reflect good VOR. Absence of the oculocephalic reflex or a decrease in visual acuity with head movements reflects decreased vestibular function. Nystagmus observed under Frenzel glasses after rapid head shaking reflects asymmetric vestibular input.


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