https://neurosciencenews.com/mental-health-dry-eye-18025/
https://medodamerica.com/the-link-between-dry-eye-and-mental-health-challenges/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6288536/
https://pubmed.ncbi.nlm.nih.gov/27213801/
https://pubmed.ncbi.nlm.nih.gov/24880750/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4536529/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4431415/
https://pubmed.ncbi.nlm.nih.gov/7794222/
Hhttps://pubmed.ncbi.nlm.nih.gov/24721186/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3400466/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6183037/
https://www.sciencedirect.com/science/article/pii/S1319453415000284?via%3Dihub
https://pubmed.ncbi.nlm.nih.gov/28704790/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7944337/
https://www.sciencedirect.com/topics/medicine-and-dentistry/huperzine-a
https://pubmed.ncbi.nlm.nih.gov/17945240/
https://pubmed.ncbi.nlm.nih.gov/30698874/
https://pubmed.ncbi.nlm.nih.gov/29565276/
https://pubmed.ncbi.nlm.nih.gov/12409290/
https://thevisioncouncil.org/sites/default/files/assets/media/TVC_OrgOverview_sheet_2021.pdf
https://www.mesvision.com/includes/pdf_Broker/MESVision%20Facts%20and%20Statistics.pdf