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

. 2015 Jul ; 21 (7) : 797-9. [epub] 20150423

Jazyk angličtina Země Velká Británie, Anglie Médium print-electronic

Typ dokumentu časopisecké články, práce podpořená grantem

Perzistentní odkaz   https://www.medvik.cz/link/pmid25935708

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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