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November 1943


Author Affiliations

Medical Corps, Army of the United States

From the Neuropsychiatric Service, Station Hospital, Camp Carson, Colo.

Arch NeurPsych. 1943;50(5):585-586. doi:10.1001/archneurpsyc.1943.02290230097010

Ophthalmoplegia internuclearis, as described by Lhermitte, is a rare neurologic disorder characterized by dissociation of lateral conjugate movements of the eyes. Instead of moving parallel or nearly parallel with each other, the two eyes move separately. For example, on the patient's looking to the right the right lateral rectus muscle and the left medial rectus muscle do not contract to an equal extent, the lack of coordination giving rise to dissociated movement and double vision. According to Bing and Haymaker,1 the defect is in the lateral plane, and convergence is not affected.

In the case to be reported, there was paralysis of conjugate upward movement as well as of lateral movement. Convergence was the only associated movement left the patient.

REPORT OF A CASE  R. J., an infantryman aged 30, white, was admitted to the Station Hospital, Camp Carson, Colo., on April 5, 1943, with the complaint of extreme

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