[Clinical application of the visual suppression test].

200 cases of peripheral and central vestibular disorder patients were examined by caloric test and visual suppression test (VS) simultaneously. The results with ENG recording showed: (1) VS score > 50% indicates normal function. (2) VS score 50%-10% is function decreased. (3) VS score < 10% shows function failure. (4) Patients with negative VS score accompanies nystagmus strengthen with eye open when in the light also, the clinical application of the VS test for diagnosis of several kinds of vestibular disorder were discussed.