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Article type: Research Article
Authors: Vitte, E.a; * | Sémont, A.b
Affiliations: [a] ENT Department, Hôpital Pitié-Salpètrière, 83, Bld. de L’Hôpital, 75013 Paris, France | [b] Vestibular Rehabilitation, Clinique des Soeurs Augustines, 29, rue de la Santé, 75013 Paris, France
Note: [*] Reprint address: A. Sémont, Vestibular Rehabilitation, Clinique des Soeurs Augustines, 29 rue de la Sante, 75013 Paris, France.
Abstract: Videonystagmoscopy has been used to subjectively observe the responses of the vestibular system in a population of patients with vestibular deficits. These results were compared with those of a control group of healthy, age-matched volunteers. The videonystagmoscopy device is made of one or two CCD cameras mounted on lightproof goggles, allowing a subjective observation of ocular movements on a video monitor. The eye movements, as well as the position of the head in space, can be recorded on videotape. The eyes are illuminated by infrared light emitting diodes placed on each side of the camera lens. The subjects are seated on a manually driven Barany chair. Subjects went through a protocol of passive roll head tilt on each side, followed by a slow, whole body rotation of 180° amplitude, clockwise and counterclockwise, and then a head shaking test (HST). The eyes were subjectively observed, and we focussed on: torsional eye movements during head tilt, nystagmus when the rotation had stopped, and nystagmus induced by HST. With this simple and noninvasive examining procedure, screening of vestibular function at the bedside or during E.N.T. clinical investigations is possible.
Keywords: videonystagmoscopy, rotation, torsional nystagmus, vestibular function
DOI: 10.3233/VES-1995-5505
Journal: Journal of Vestibular Research, vol. 5, no. 5, pp. 377-383, 1995
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