Recently, we noted a disturbance of ocular motility simulating internuclear ophthalmoplegia during the early stage of the Guillain-Barré syndrome. A similar ocular picture of pseudo-internuclear ophthalmoplegia of peripheral origin has been reported in myasthenia gravis1-3 and in one case of Fisher syndrome of ophthalmoplegia, ataxia, and areflexia.4
Report of a Case.—
A 23-year-old man had double vision of two days' duration. On the day of admission, the following symptoms developed: difficulty in retaining fluids in his mouth and in pursing his lips, numbness of mouth, impairment of taste appreciation, and "imbalance" on walking. Neurologically, there was slight difficulty in articulation, a negative Romberg test, and some impairment of heel-toe walking, which was difficult to assess in view of a short leg and pes cavus on the left. Cranial nerve functions were normal except for some paresis of the right lateral rectus, which was not improved on the edrophonium test
Atwal AJS, Smith BH, Dickenson ES. Pseudo-Internuclear Ophthalmoplegia in Polyneuritis. Arch Neurol. 1976;33(6):457. doi:10.1001/archneur.1976.00500060063017
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