MULTIPLE SCLEROSISMULTIPLE SCLEROSIS

INTERNUCLEAR INTERNUCLEAR

OPHTHALMOPLEGIAOPHTHALMOPLEGIA

Internuclear ophthalmoplegia is due to lesion in Internuclear ophthalmoplegia is due to lesion in one one medial longitudinal fasciculus medial longitudinal fasciculus in the in the

mid brain or upper ponsmid brain or upper pons

On attempting lateral gaze there is rhythmic On attempting lateral gaze there is rhythmic nystagmus of the abducting eye with impaired nystagmus of the abducting eye with impaired

medial deviation of the adducting eyemedial deviation of the adducting eye

the lesion is on the side of impaired the lesion is on the side of impaired adduction ,not on the side of the nystagmusadduction ,not on the side of the nystagmus

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