AUTHOR=Zhao Jing , Shi Chong , Zhang Xucheng , Ma Shaochen , Sun Wei , Tian Feng , Wang Peifu , Li Jilai , Du Jichen , Zhao Xingquan , Wan Zhirong TITLE=Eye movement and pupillary response abnormalities measured using virtual reality as biomarkers in the diagnosis of early-stage Parkinson’s disease JOURNAL=Frontiers in Neurology VOLUME=Volume 16 - 2025 YEAR=2025 URL=https://www.frontiersin.org/journals/neurology/articles/10.3389/fneur.2025.1537841 DOI=10.3389/fneur.2025.1537841 ISSN=1664-2295