Lutein has an important protective effect on macular in retina, which can easily lead to macular degeneration and blurred vision when lacking, and then lead to symptoms such as visual degradation and myopia. Lutein is the precursor of NA, which is in human body.

Can be converted into va. The main physiological functions of lutein on eyes are as antioxidant and photoprotection. Optic nerve is non-renewable and vulnerable to harmful free radicals. The antioxidant effect of lutein can be

Inhibit the formation of harmful free radicals. It is better to make lutein in the market than Iraqi molecular creatures. Their lutein can be taken orally and dripped into the eyes.