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″ high by 6″ diameter (25 cm x 15 cm) and 4″ high by 6″ diameter (10 cm x 15 cm). All drum sizes have a 7″ (18 cm) handle in addtion to the size of the drum.