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Eight-and-a-half syndrome
  1. R Nandhagopal,
  2. S G Krishnamoorthy
  1. Department of Neurology, Sri Venkateswara Institute of Medical Sciences, Tirupati, Andhra Pradesh, India
  1. Correspondence to:
 Dr R Nandhagopal
 Department of Neurology, Sri Venkateswara Institute of Medical Sciences, TIRUPATI-517 507, Andhra Pradesh, India; rnandagopal{at}yahoo.com

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A 52 year old man with hypertension and diabetes mellitus presented with sudden onset of binocular diplopia on looking to the left side, right facial weakness, and epiphora in the right eye. Ocular motor examination revealed combination of right gaze paresis and right internuclear ophthalmoplegia suggestive of horizontal one-and-a-half syndrome (fig 1A–C). Vertical ocular movements from the primary position were normal (fig 1D, E). In addition, he also had right lower motor neurone facial weakness …

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