Good-Lite OKN Flag Black & White 1.5 Stripes 27 Length 3.5 Width

by: Good Lite
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SKU GLT01419

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Black & White Optokinetic Flag

This optokinetic flag is used to produce optokinetic nystagmus (OKN) physiologic jerk in a patient's eyes. This is elicited when the patient attempts to fixate on moving alternative contrasting squares that are moved in the field of vision.