Accurately tests for Nystagmus when rotated at 8-10 rpm. Drums are 10" high by 8" diameter. Light weight drum of professional quality with ball bearings for effortless spin mechanism. Standard black and white striped drum for use 24 to 30 " from patient.
4796R Standard Optokinetic Drum .......... $177.00
Optokinetic Nystagmus Test
Optokinetic Flag
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