Dr. holds patient's head and instructs patient to fix vision on the doctors's face. Doctor then turns into rotation, lateral flexion, and flexion and extension.
Normal patient should maintain eye contact, eyes moving at the same speed in the direction opposite of head movement.
Positive / Abnormal:
Peripheral Lesion: The patient will exhibit nystagmus within 2-5 sec and it disappears within 30 sec.
- Medullary Lesion:
- Nystagmus begins immediately upon movement and may change direction
- while the patient is stationary (Also, patient does not have vertigo)