Eye Health

Due to the unique molecular structure, astaxanthin can cross the “blood-brain barrier” and then cross the “blood-retina barrier” to reach the eyes, providing protection.

Nowadays, many people are spending more than five hours daily on a computer or phone screens, which gradually lowers the health condition of the visual system and develops symptoms called “Computer Vision Syndrome”. This syndrome can result in eye fatigue, eye strain, dry eyes, blurred vision and difficulty in refocusing the eyes (eye accommodation), which over time can potentially develop into chronic eye diseases such as Cataract, Glaucoma, Age-Related Macular Degeneration, etc.

The benefits of astaxanthin for eye health have been established by at least 14 human clinical studies and 24 pre-clinical trials. As scientists, we will interpret some key findings for you. It should help you gain a better understanding of how astaxanthin helps in maintaining eye health.

This study shows that an intake of 6 mg astaxanthin every day (ET* 1 AstaDaily softgel) can improve the eye accommodation rate by 64% in just 4 weeks. (Nitta et al., 2005).

This study shows that an intake of 6 mg astaxanthin every day (ET* 1 AstaDaily softgel) can improve the eye accommodation rate by 64% in just 4 weeks. (Nitta et al., 2005).

This study shows that astaxanthin can help relieve eye fatigue symptoms in just 4 weeks. (Nagaki et al., 2002).

This study shows that astaxanthin can help relieve eye fatigue symptoms in just 4 weeks. (Nagaki et al., 2002).

Supporting Pre-clinical Studies

Besides human clinical studies, there are many pre-clinical studies indicating various benefits of astaxanthin for eye health.

AMD

Astaxanthin protects the vascular layer of the eye in mice and may be a potential therapy for age-related macular degeneration. In this study, it was found that Astaxanthin can reduce damage caused by abnormal growth of blood vessels in the eyes (a condition that can result in macular degeneration) (Izu­mi-Nagai et al., 2008).

Cell Protection

Astaxanthin has been shown to reduce high blood pressure in the eyes. Rats with elevated pressure in the retina were fed astaxanthin and were found to have three distinct benefits: reduced inflammation, reduced protein oxidation levels, and perhaps most significant of all, reduced cell death (Cort et al., 2010).

Anti-inflammation

The first study proving astaxanthin’s broad-spectrum anti-inflammatory activity was done on rats’ eyes. The researchers showed that astaxanthin dose dependently reduces three different inflammatory markers (Ohgami et al., 2003).

References

Nitta et al. (2005). Effects of astaxanthin on accommodation and asthenopia-Dose finding study in healthy volunteers. J. Clin. Therap. Med., 21(6):637-650.

Nagaki Y., et al., (2002). Effects of astaxanthin on accommodation, critical flicker fusions, and pattern evoked potential in visual display terminal workers. J. Trad. Med., 19(5):170-173.

Izumi-Nagai, K., Nagai, N., Ohgami, K., Satofuka, S., Ozawa, Y., Tsubota, K., Ohno, S., Oike, Y., Ishida, S. (2008). “Inhibition of choroidal neovasculariza­tion with an anti-inflammatory carotenoid astaxanthin.” Invest. Opthalmol. Vis. Sci. 49(4):1679-85.

Cort, A., Ozturk, N., Akpinar, D., Unal, M., Yucel, G., Ciftcioglu, A., Yargicoglu, P. Aslan, M. (2010). “Suppressive effect of astaxanthin on retinal injury induced by elevated intraocular pressure.” Regulatory Toxicology and Pharmacology. 58(1):121-30.

Ohgami, K., Shiratori, K., Kotake, S., Nishida, T., Mizuki, N., Yazawa, K., Ohno, S. (2003). “Effects of Astaxanthin on lipopolysaccharide-induced inflamma­tion in vitro and in vivo.” Investigative Ophthalmology and Visual Science. 44(6):2694-701.

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