Red & 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.
Optokinetic flags is available with 1½" segments. Comes with instructions and is 28" (71.12 cm) in length.