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Fast vergence eye movements are disrupted in Parkinson's disease: A video-oculography study

J. Hanuška, C. Bonnet, J. Rusz, T. Sieger, R. Jech, S. Rivaud-Péchoux, M. Vidailhet, B. Gaymard, E. Růžička,

. 2015 ; 21 (7) : 797-799. [pub] 20150423

Language English Country England, Great Britain

Document type Journal Article, Research Support, Non-U.S. Gov't

Persistent link   https://www.medvik.cz/link/bmc16020834

Grant support
NT12288 MZ0 CEP Register

BACKGROUND: Blurred near vision is a common non-motor symptom in patients with Parkinson's disease (PD), however detailed characterization of vergence eye movements (VEM) is lacking. METHODS: Convergence and divergence were examined in 18 patients with PD and 18 control subjects using infrared video-oculography. VEM metrics analyzed included latency, velocity and accuracy, in vertical and horizontal planes. RESULTS: The latency of convergence and divergence was significantly increased in PD subjects. Additionally, divergence was slow and hypometric, while other convergence metrics were similar to controls. CONCLUSION: We provide evidence in favor of disrupted VEM in PD.

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$a BACKGROUND: Blurred near vision is a common non-motor symptom in patients with Parkinson's disease (PD), however detailed characterization of vergence eye movements (VEM) is lacking. METHODS: Convergence and divergence were examined in 18 patients with PD and 18 control subjects using infrared video-oculography. VEM metrics analyzed included latency, velocity and accuracy, in vertical and horizontal planes. RESULTS: The latency of convergence and divergence was significantly increased in PD subjects. Additionally, divergence was slow and hypometric, while other convergence metrics were similar to controls. CONCLUSION: We provide evidence in favor of disrupted VEM in PD.
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$a Rusz, Jan $u Dept. of Neurology and Center of Clinical Neuroscience, Charles University in Prague, 1st Faculty of Medicine and General University Hospital, Prague, Czech Republic; Dept. of Circuit Theory, Faculty of Electrical Engineering, Czech Technical University, Prague, Czech Republic. $7 xx0093732
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$a Sieger, Tomáš, $u Dept. of Neurology and Center of Clinical Neuroscience, Charles University in Prague, 1st Faculty of Medicine and General University Hospital, Prague, Czech Republic; Dept. of Cybernetics, Faculty of Electrical Engineering, Czech Technical University, Prague, Czech Republic. $d 1975- $7 xx0136366
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$a Vidailhet, Marie $u AP HP, Neurology Department, Pitié Salpêtrière Hospital, Paris, France; CRICM UPMC/INSERM UMR_S975, CNRS UMR7225, ICM, Pitié-Salpêtrière Hospital, Paris, France; Pierre et Marie Curie Paris-6 University, Paris, France.
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$a Gaymard, Bertrand $u CRICM UPMC/INSERM UMR_S975, CNRS UMR7225, ICM, Pitié-Salpêtrière Hospital, Paris, France; Pierre et Marie Curie Paris-6 University, Paris, France.
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