Medical Definition of Electronystagmogram

Electronystagmogram: A recording of the eye movements, usually done to confirm the presence of nystagmus. Electronystagmogram may be done in cases of vertigo (dizziness) to determine if there is damage to the vestibular portion of the acoustic nerve. The test may be done in cases of possible acoustic neuroma, Meniere disease, positional vertigo, and labyrinthitis. Abbreviated ENG.

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The colored part of the eye that helps regulate the amount of light that enters is called the: See Answer

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Reviewed on 12/11/2018