About The Medical Condition Ophthalmoplegias, Internuclear

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Find the definition of the medical term Ophthalmoplegias, Internuclear. Ophthalmoplegias, Internuclear defined and explained for easy understanding at the Medical Conditions from ClusterMed.info.

Ophthalmoplegias, Internuclear

Ophthalmoplegias, Internuclear Medical Condition Defined & Explained
Ophthalmoplegias, Internuclear Medical Condition

What's The Definition Of The Medical Condition Ophthalmoplegias, Internuclear?

Disorders that feature impairment of eye movements as a primary manifestation of disease. These conditions may be divided into infranuclear, nuclear, and supranuclear disorders. Diseases of the eye muscles or oculomotor cranial nerves (III, IV, and VI) are considered infranuclear. Nuclear disorders are caused by disease of the oculomotor, trochlear, or abducens nuclei in the BRAIN STEM. Supranuclear disorders are produced by dysfunction of higher order sensory and motor systems that control eye movements, including neural networks in the CEREBRAL CORTEX; BASAL GANGLIA; CEREBELLUM; and BRAIN STEM. Ocular torticollis refers to a head tilt that is caused by an ocular misalignment. Opsoclonus refers to rapid, conjugate oscillations of the eyes in multiple directions, which may occur as a parainfectious or paraneoplastic condition (e.g., OPSOCLONUS-MYOCLONUS SYNDROME). (Adams et al., Principles of Neurology, 6th ed, p240)

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