Lesions of the MLF cause an INO, which manifests as ipsilateral palsies of adduction, and nystagmus of the contralateral abducted eye. Vertical gaze is preserved. Inducing optokinetic nystagmus so that the adducting eye is responsible for the fast phase, causes a dissociation between the two eyes, and is useful in uncovering subtle INOs.
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Creator
Robert B. Daroff, MD, Professor of Neurology, School of Medicine, CASE Western Reserve University, University Hospitals - Case Medical Center
Publisher
Spencer S. Eccles Health Sciences Library, University of Utah
