Vestibular testing is often performed with the use of a rotary chair.
The patient sits in a chair inside a dark booth. The patient's head is positioned and a camera is placed so that the examiner can watch the patient's eye movements during the test. Once the set-up is completed the chair rotates back and forth, leftward and rightward. This test assists in determining if a balance problem is arising from the ear or the brain. In addition, it can sometimes be used to monitor treatment for dizziness.