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.
Available in 3 different segment sizes:
- .75" segments
- 1.5" segments
- 3.0" segments
Comes with instructions and OKN Flag is 28" (71.12 cm) long.