The Optokinetic Drum accurately tests for nystagmus when rotated at 8-10 rpm. Lightweight drum of professional quality with ball bearings for effortless spin mechanism. Standard black and white striped drum for use 24" to 30" from patient.
Drums are available in 2 different sizes; 10 in high by 6 in diameter (25 cm x 15 cm) and 4 in high by 6 in diameter (10 cm x 15 cm). All drum sizes have a 7 in (18 cm) handle in addition to the length of the drum.