one-and-a-half syndrome

one-and-a-half syndrome
a disorder of ocular movement caused by a brainstem lesion of one abducens nucleus and the nearby medial longitudinal fasciculus; the ipsilateral eye cannot move beyond the midline horizontally and the contralateral eye abducts on any attempt at conjugate gaze. Called also Fisher s. and Miller Fisher s.

Medical dictionary. 2011.

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