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URMC / Dizziness Clinic / Testing Services

Testing Services

Video-or Electro-Nystagmography (VNG/ENG)

Assesses visual and vestibular control of eye movements. Our VNG/ENG is an improved and state-of-the-art version of traditional physiologic testing of these systems, and can include caloric testing, saccades, pursuit, optokinetic nystagmus, head shake, and dynamic visual acuity.

Vestibular Evoked Myopotentials (VEMP)

Tests the sacculus and inferior branch of the vestibular nerve using a series of clicks applied to the ear while monitoring sternocledomastoid or orbicularis activity. This test is especially useful when an inner ear fistula or superior canal dehiscence is suspected.

Special Tests

There are tests available when specific clinical conditions are suspected—for instance, documenting eye movement in response to sound or pressure changes for patients with superior semicircular canal dehiscence syndrome, measuring dynamic visual acuity in patients with oscillopsia, or measuring vestibulo-ocular reflex gain in subjects with suspected bilateral vestibular loss. Dr. Crane has a laboratory which is developing perceptual tests human vestibular function which may be available. Because we always have a trained physician on-site when testing is performed, patients who would benefit from these tests can be identified and get this testing done in the same session.

Tests will be interpreted by our director, Dr. Benjamin Crane, and a written report will be returned to you within a couple of days.