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Subthalamic Nuclei Deep Brain Stimulation Improves Color Vision in Patients with Parkinson's Disease

Published:August 11, 2016DOI:https://doi.org/10.1016/j.brs.2016.08.006
      Visual deficits in people with Parkinson's disease (PD) cover a broad spectrum of signs and symptoms and contribute to the overall disability of individuals with PD [
      • Nilsson M.H.
      • Patel M.
      • Rehncrona S.
      • Magnusson M.
      • Fransson P.A.
      Subthalamic deep brain stimulation improves smooth pursuit and saccade performance in patients with Parkinson's disease.
      ,
      • Armstrong R.A.
      Oculo-visual dysfunction in Parkinson's disease.
      ]. However, there is currently no unifying mechanism explaining ocular motor deficits [
      • Nilsson M.H.
      • Patel M.
      • Rehncrona S.
      • Magnusson M.
      • Fransson P.A.
      Subthalamic deep brain stimulation improves smooth pursuit and saccade performance in patients with Parkinson's disease.
      ], pupillary abnormalities [
      • Armstrong R.A.
      Oculo-visual dysfunction in Parkinson's disease.
      ] and color vision (CV) deficits [
      • Pieri V.
      • Diederich N.J.
      • Raman R.
      • Goetz C.G.
      Decreased color discrimination and contrast sensitivity in Parkinson's disease.
      ] in PD.
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