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.
Farlex Partner Medical Dictionary © Farlex 2012

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]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

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.
Millodot: Dictionary of Optometry and Visual Science, 7th edition. © 2009 Butterworth-Heinemann
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.