All::Neurology::Diseases::Neurological findings::Internuclear ophthalmoplegia
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What are the main clinical features of Internuclear ophthalmoplegia?
- impaired adduction of the eye on the same side as the lesion
- horizontal nystagmus of the abducting eye on the contralateral side
Where is the lesion that causes Internuclear ophthalmoplegia?
a lesion in the medial longitudinal fasciculus (MLF)
Internuclear ophthalmoplegiaWhat is the pathophysiology of Internuclear ophthalmoplegia?
medial longitudinal fasciculus controls horizontal eye movements by interconnecting the IIIrd, IVth and VIth cranial nuclei
Internuclear ophthalmoplegiaWhat are the causes of Internuclear ophthalmoplegia?
- multiple sclerosis
- vascular disease