A device, system, and method for operating a nystagmus testing device is disclosed. The device comprising a camera configured to face a test subject to capture eye movements of the test subject, a start button configured to start a nystagmus routine, a front display positioned to face the test subject configured to display a visual stimulus, a rear display positioned to face a test administrator configured to display a visual tracker, and a controller configured to control movements of the visual stimulus and the visual tracker on the front and rear display, respectively, and generate data of the nystagmus routine.
