Training in VNG

Performing the gaze test (VNG)

10 mins
25 November 2022


The gaze test measures any eye movement generated when maintaining gaze at various angles. Both central and peripheral lesions can cause extra eye movements when performing this test.

Nystagmus can be generated when the patient is unable to hold their eyes at the desired angle, so the eyes slowly drift back towards the center (in most cases). Corrective movements of the eyes then quickly move them back to the target and nystagmus is recorded.

Some clinicians like to perform gaze testing with both a vision stimulus and with eyes closed. The video shows a patient undergoing a gaze test using visual stimulus. The conditions being tested are left gaze, right gaze, up gaze, down gaze and center gaze.


Leigh Martin
Leigh Martin is a British Audiologist and adjunct lecturer at the University of Cork, Ireland. Clinically, he has worked in the National Health Service specializing in paediatric audiology as well as vestibular diagnostics and rehabilitation. Leigh has also sat on the board of directors for the British Academy of Audiology. Since 2013, Leigh has supported the growth and development of the Interacoustics Academy and holds the position of Director of the Academy. Leigh has presented at numerous scientific conferences and meetings across a diverse range of audiological topics as well as having published papers in both video head impulse testing (vHIT) and wideband tympanometry.

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