<unk>  is a form of<unk>  that involves the constant under- or over-shooting of the eyes when attempting to focus gaze on something.<unk>  indicates lesions in the cerebellum, which is the brain region responsible for coordinating movement. It is a symptom of several neurological conditions including multiple sclerosis. It is a condition that can cause symptoms similar to sea sickness.
Ocular dysmetria
Lagophthalmos
Physiological anisocoria
Nephroptosis
Nyctalopia
Ocular tremor
Quadrantanopia
Exophthalmos