1. Astaxanthin Improves SC Potency via an Increase in the Proliferation of Neural Progenitor Cells [https:www.ncbi.nlm.nih.gov/pmc/articles/PMC3100832/](https:www.ncbi.nlm.nih.gov/pmc/articles/PMC3100832/)
2. The Influence of Astaxanthin on the Proliferation of Adipose-derived Mesenchymal SCs in Gelatin-Methacryloyl (GelMA) Hydrogels [https:www.ncbi.nlm.nih.gov/pmc/articles/PMC6696170/](https:www.ncbi.nlm.nih.gov/pmc/articles/PMC6696170/)
3. Changes in visual function following peroral astaxanthin [https:www.researchgate.net/publication/292376472_Changes_in_visual_function_following_peroral_astaxanthin](https:www.researchgate.net/publication/292376472_Changes_in_visual_function_following_peroral_astaxanthin)
4. Carotenoids and antioxidants in age-related maculopathy italian study: multifocal electroretinogram modifications after 1 year [https:pubmed.ncbi.nlm.nih.gov/17716735/](https:pubmed.ncbi.nlm.nih.gov/17716735/)
5. Enhanced proliferation and differentiation of mesenchymal SCs by astaxanthin-encapsulated polymeric micelles [https:pubmed.ncbi.nlm.nih.gov/31107886/](https:pubmed.ncbi.nlm.nih.gov/31107886/)
6. Preserving Clear Vision [https:www.lifeextension.com/magazine/2003/2/cover_vision](https:www.lifeextension.com/magazine/2003/2/cover_vision)
7. N-acetyl-L-cysteine improves mesenchymal SC function in prolonged isolated thrombocytopenia post-allotransplant [https:pubmed.ncbi.nlm.nih.gov/29392716/](https:pubmed.ncbi.nlm.nih.gov/29392716/)
8. Study Demonstrates Essential Role of Zeaxanthin in Eye Health [https:www.macular.org/study-demonstrates-essential-role-zeaxanthin-eye-health](https:www.macular.org/study-demonstrates-essential-role-zeaxanthin-eye-health)
9. Increased Macular Pigment Optical Density and Visual Acuity following Consumption of a Buttermilk Drink Containing Lutein-Enriched Egg Yolks: A Randomized, Double-Blind, Placebo-Controlled Trial [https:www.ncbi.nlm.nih.gov/pmc/articles/PMC4808677/](https:www.ncbi.nlm.nih.gov/pmc/articles/PMC4808677/)
10. The Photobiology of Lutein and Zeaxanthin in the Eye [https:www.ncbi.nlm.nih.gov/pmc/articles/PMC4698938/](https:www.ncbi.nlm.nih.gov/pmc/articles/PMC4698938/)
11. Age-Related Eye Disease Studies (AREDS/AREDS2) [https:www.nei.nih.gov/clinical-trials/age-related-eye-diseases-studies-aredsareds2](https:www.nei.nih.gov/clinical-trials/age-related-eye-diseases-studies-aredsareds2)
12. The Effect of Lutein on Eye and Extra-Eye Health [https:www.ncbi.nlm.nih.gov/pmc/articles/PMC6164534/](https:www.ncbi.nlm.nih.gov/pmc/articles/PMC6164534/)
13. Assessment of Eyebright (Euphrasia Officinalis L.) Extract Activity in Relation to Human Corneal Cells Using In Vitro Tests [https:www.ncbi.nlm.nih.gov/pmc/articles/PMC4115993/](https:www.ncbi.nlm.nih.gov/pmc/articles/PMC4115993/)
14. Sticker shock: Why are glasses so expensive? [https:www.cbsnews.com/news/sticker-shock-why-are-glasses-so-expensive-over-10-2012/](https:www.cbsnews.com/news/sticker-shock-why-are-glasses-so-expensive-over-10-2012/)
