Gaze

  • Gaze deviation AWAY from hemiparesis : hemispheric lesion contralateral to hemiparetic side.
  • Gaze deviation TOWARD hemiparesis: pontine lesion, contralateral hemispheric seizure focus and contralateral thalamic lesion
  • Downward gaze deviation : midbrain tectum lesion. (Parinaud’s – accompanied by impaired pupillary reaction to light and convergence-retraction nystagmus)
  • Ocular bobbing : lesion of bilateral pontine horizontal gaze center (fast downward movements of both eyes with a slow return to primary position)

 

References

Rana, Abdul Qayyum, and John Anthony Morren. Neurological Emergencies In Clinical Practice. London: Springer, 2013. Print.

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