This review, published in 2020, reviewed all the published evidence – preclinical and clinical – for the use of astaxanthin for ocular health. Preclinical evidence supports the use of astaxanthin in the prevention and treatment of glaucoma, cataracts, keratopathy and dry eyes.
Giannaccare, G., Pellegrini, M., Senni, C., Bernabei, F., Scorcia, V., & Cicero, A. F. G. (2020). Clinical Applications of Astaxanthin in the Treatment of Ocular Diseases: Emerging Insights. Marine drugs, 18(5), 239. https://doi.org/10.3390/md18050239