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J Neurol Neurosurg Psychiatry 2004;75:1048-1050 doi:10.1136/jnnp.2003.025163
  • Short report

Clinically evidenced unilateral dissociation of saccades and pursuit eye movements

  1. M Onofrj,
  2. D Iacono,
  3. A L Luciano,
  4. K Armellino,
  5. A Thomas
  1. Neurophysiopathology, University Chieti-Pescara, Pescara, Italy
  1. Correspondence to:
 Professor Marco Onofrj
 Neurophysiopathology, Department of Oncology and Neuroscience, University “G D’Annunzio” Chieti-Pescara, Via Fonte Romana, 65124 Pescara, Italy; onofrjunich.it
  • Received 1 August 2003
  • Accepted 12 October 2003
  • Revised 22 September 2003

Abstract

A patient affected by an ischaemic lesion of the right medial thalamic nucleus presented with a uniocular dissociation of upward vertical saccades and pursuit movement, with absent upward vertical saccades in the left eye. Clinical observations were confirmed by magnetic field scleral search coils analysis. During the vertical eye movement the patient denied any diplopia, thus suggesting a transient visual suppression in the left eye.

Footnotes

  • Competing interests: none declared

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