Demyelination of the brain stem/cerebellum can damage neural integrators that control extraocular motor neurons and stabilize images on the retina. Neural integrators include medial vestibular nuclei, nucleus prepositus hypoglossi, interstitial nucleus of Cajal, and superior vestibular nuclei. Patients may develop nystagmus and sense that the world is moving (oscillopsia) and complain of blurred vision, imbalance, and dizziness.
Cataract, or a cloudy lens of the eye, is not caused by MS demyelination.
Myopia, or near-sightedness, is not caused by MS demyelination.
Presbyopia, or the inability to see close objects due to aging, is not caused by MS demyelination.
Learn more about nystagmus.
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Cite this: Christopher Luzzio. Fast Five Quiz: Neuro-Ophthalmologic Manifestations of Multiple Sclerosis - Medscape - Apr 08, 2020.