Video‐oculography: A new diagnostic technology for vestibular patients

Video-oculographic recording of eye movement has been shown to be a highly effective non-invasive technology for evaluating eye movement.1 Until recently, there were no commercially available systems that would allow the clinician to visualize linear and torsional eye movement; torsional eye movement could be detected only with research sclera coils, or 3-D analysis, which are not available to most facilities. With the emerging interest in the evaluation and management of vestibular patients and, in particular, differential diagnosis of BPPV (benign paroxysmal positioning nystagmus), the nature of the torsional/linear nystagmus has taken on new importance.