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Description
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This 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.
Includes instructions. 37.25" (94.62 cm) long.
Red & White with 1.5" segments . . .547400
Black & White with 1.5" segments . .607700