Tear α-synuclein as a biomarker for Parkinson's disease: A systematic review and meta-analysis.
Prince Kwaku AkowuahEbenezer OwusuDavid TotoePublished in: Optometry and vision science : official publication of the American Academy of Optometry (2024)
Tear α-synuclein has the potential to be a noninvasive biomarker for Parkinson's disease. Studies are, however, needed to increase certainty in the biomarker and establish how the protein's changes in tears correlate with Parkinson's disease progression and severity.