Ocular tilt reaction as a delayed complication of deep brain stimulation for Parkinson disease.

@article{OrtizPrez2009OcularTR,
  title={Ocular tilt reaction as a delayed complication of deep brain stimulation for Parkinson disease.},
  author={Santiago Ortiz-P{\'e}rez and Bernardo F. S{\'a}nchez-Dalmau and Juan Camilo Molina and Alfredo M Adan and Santiago Candela and Jordi Rumi{\`a}},
  journal={Journal of neuro-ophthalmology : the official journal of the North American Neuro-Ophthalmology Society},
  year={2009},
  volume={29 4},
  pages={286-8}
}
A 57-year-old-man treated with deep brain stimulation (DBS) of both subthalamic nuclei for advanced Parkinson disease developed a brain hemorrhage near the site of one of the DBS electrodes 9 months after implantation. The hemorrhage caused vertical diplopia from skew deviation. Examination also disclosed evidence of ipsiversive binocular torsion and a right head tilt, constituting an ocular tilt reaction (OTR). Fourteen months later, he was still symptomatic from diplopia. An OTR has not… CONTINUE READING

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