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.
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