Product Number : 547500
 
These professional quality Optokinetic Drums accurately test for nystagmus when rotated at 8-10 rpm. The drums feature ball bearings for an effortless spin mechanism. This test is used 24" to 30" from the patient.
 
The 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). Both drum sizes have a 7" (18 cm) handle in addition to the length of the drum.