ocular dysmetria


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oc·u·lar dys·met·ri·a

abnormality of ocular movements in which the eyes overshoot on attempting to fixate an object.

oc·u·lar dys·met·ri·a

(ok'yū-lăr dis-mē'trē-ă)
An abnormality of ocular movements in which the eyes overshoot on attempting to fixate on an object; usually indicating cerebellar disease; symptom of several neurologic conditions, including multiple sclerosis.
[L. oculus, eye + dys- + G. metron, measure]

dysmetria, ocular

Abnormality of eye movements in which the eyes overshoot (hypermetria) or undershoot (hypometria) when attempting to fixate an object. It could be a sign of cerebellar disease, ocular motor nerve paresis, myasthenia gravis, internuclear ophthalmoplegia (overshoot of the eye contralateral to the lesion), etc. See flutter; opsoclonus.
References in periodicals archive ?
(39) Patients with cerebellar syndromes may develop characteristic ocular motor disturbances including vestibular nystagmus and ocular dysmetria. Abnormal eye movements, such as spontaneous nystagmus may also be observed in comatose patients who have no focal findings.