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Monitoring Eye Movement in Patients with Parkinson's Disease: What Can It Tell Us?

Overview
Journal Eye Brain
Publisher Dove Medical Press
Date 2023 Jul 31
PMID 37519412
Authors
Affiliations
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Abstract

Parkinson's disease (PD) affects approximately 10 million individuals worldwide. Visual impairments are a common feature of PD. Patients report difficulties with visual scanning, impaired depth perception and spatial navigation, and blurry and double vision. Examination of PD patients reveals abnormal fixational saccades, strabismus, impaired convergence, and abnormal visually-guided saccades. This review aims to describe objective features of abnormal eye movements in PD and to discuss the structures and pathways through which these abnormalities may manifest.

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