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Article
July 1975

Internuclear Ophthalmoplegia of AbductionIsolated Impairment of Phasic Ocular Motor Activity in Supranuclear Lesions

Author Affiliations

From the Universitäts-Augenklinik Freiburg, West Germany.

Arch Ophthalmol. 1975;93(7):531-534. doi:10.1001/archopht.1975.01010020547013
Abstract

Abduction saccadic movement slowed to either side without any limitation in the end position occurred in a patient. This ocular motor abnormality constituted a mirror image of the well-known internuclear ophthalmoplegia of adduction, and therefore, the present case is an internuclear ophthalmoplegia of abduction.

Internuclear ophthalmoplegia of either type demonstrates that a lesion between the center for conjugate gaze and the ocular motor nuclei can impair phasic activity of the eye muscles without reducing their tonic function.

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