https://pmc.ncbi.nlm.nih.gov/articles/PMC8874683/
Lutein and Zeaxanthin and Their Roles in Age-Related Macular Degeneration—Neurodegenerative Disease
https://pmc.ncbi.nlm.nih.gov/articles/PMC7692753/
A Mechanistic Review of β-Carotene, Lutein, and Zeaxanthin in Eye Health and Disease
https://pmc.ncbi.nlm.nih.gov/articles/PMC7352796/
"Lutein Supplementation for Eye Diseases"