# Fixation Duration and Pupil Size as Diagnostic Tools in Parkinson’s Disease

> Research article (Journal of Parkinson s Disease, 2021) · cited 56× · AI/ML

**Wikidata**: [openalex:W3133091410](https://www.wikidata.org/wiki/openalex:W3133091410)  
**Source**: https://4ort.xyz/entity/fixation-duration-and-pupil-size-as-diagnostic-tools-in-parkinsons-disease