ArticleLife (Basel, Switzerland)2026
Eye-Tracking Assessment of Visual, Oculomotor, and Pupillary Biomarkers During Reading in Parkinson's Disease.
Article in Life (Basel, Switzerland), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Parkinson's disease (PD) is associated with visual, cognitive, and oculomotor alterations that may impair reading, highlighting the potential of eye tracking to objectively characterise these changes during a task. An observational study included 46 patients with PD, classified according to the Hoehn and Yahr (HY) scale, and 56 age- and sex-matched healthy controls. All participants underwent a comprehensive optometric examination and performed the Radner-Vissum reading test at 50 cm, while eye movements were recorded using a portable eye tracker. Fixation, saccadic, pupil diameter, and reading performance variables were analysed. PD patients showed a progressive reduction in pupil diameter (
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