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Prenuclear Paresis of Homolateral Inferior Rectus and Contralateral Superior Oblique Eye Muscles
Otmar Meienberg, MD;
Jens Röver, MD;
Guntram Kommerell, MD
Arch Neurol. 1978;35(4):231-233.
Abstract
In a case of left inferior rectus paresis, it is demonstrated that the lesion must be prenuclear. On downward gaze, the left eye, although it reached the required target with a rapid saccade, drifted back towards the midline immediately afterwards. During the drift, several corrective saccades appeared. A dissociated "gaze paretic" nystagmus resulted. Synchronously, the right eye showed an incyclorotary nystagmus. We suspect a lesion of "tonic" fibers supplying the nuclear region of the left inferior rectus and the right superior oblique muscle.
Author Affiliations
From the Neurologische Klinik (Dr Meienberg), Universität Bern, Bern, Switzerland, and Augenklinik (Dr Röver and Kommerell), Universität Freiburg, Freiburg, West Germany.
Footnotes
Accepted for publication Aug 29, 1977.
Presented in part at the symposium of the German Ophthalmological Society, Freiburg, West Germany, April 15-17, 1977.
Reprint requests to Universitäts-Augenklinik, 7800 Freiburg, West Germany (Dr Kommerell).
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