horizontal jerk nystagmus

Introduction

The most common form of nystagmus.

Etiology

• peripheral vertigo

Clinical manifestations

• the eyes move repetitively toward one side slowly, then quickly back

* video of horizontal jerk nystagmus

Clinical significance

• it is normal to have some degree of horizontal jerk nystagmus on extreme lateral gaze, but marked degrees are abnormal

More general terms

• nystagmus

More specific terms

• jerk nystagmus