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  • Title: Selective loss of vergence control secondary to bilateral paramedian thalamic infarction.
    Author: Wiest G, Mallek R, Baumgartner C.
    Journal: Neurology; 2000 May 23; 54(10):1997-9. PubMed ID: 10822443.
    Abstract:
    The supranuclear pathways for vergence eye movements are poorly understood. The authors report a 57-year-old patient who presented with selective loss of vergence control and dissociation of light and near reaction. MRI showed a symmetric paramedian thalamic infarction without midbrain lesion. The findings suggest that this syndrome is due to an interruption of supranuclear fibers to midbrain vergence neurons.
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