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  • Ingredients from Plants, Good for Eyes (I)
    Apr 27, 2021

    Lutein

    Lutein and zeaxanthin accumulate in many organs of the human body, including the brain, skin, etc., but in the macular area of the eye retina, lutein and zeaxanthin are the only two dietary carotenoids that are selectively deposited.

    Lutein and zeaxanthin accumulate in many organs of the human body, including the brain, skin, etc., but in the macular area of the eye retina, lutein and zeaxanthin are the only two dietary carotenoids that are selectively deposited, which together with the flavin metabolites meso-zeaxanthin form the macular pigment of the retina.

    Lutein can help to change the visual quality of people who have related diseases (such as macular degeneration AMD), including visual acuity and glare tolerance. Studies have shown that supplementation of lutein and zeaxanthin can improve the visual performance of people with healthy eyes, including significantly reducing light stress recovery time, improving color contrast, and improving visual processing speed.

    In addition to healthy people, lutein supplementation for AMD patients can increase the macular optical density (MPOD) of the retina, as well as improve their visual acuity and contrast sensitivity. These studies show that regardless of the age of the user, or whether they have AMD, lutein and zeaxanthin can provide eye health benefits. The human eye retinal tissue contains many antioxidant enzymes and antioxidant molecules including lutein and zeaxanthin, which help reduce potential damage caused by blue light exposure. The macular pigment formed by lutein and zeaxanthin can effectively filter blue light, thereby improving visual functions such as increasing contrast sensitivity, improving glare tolerance and reducing glare recovery time.

    Studies have shown that lutein and zeaxanthin can filter blue light and are more efficient than β-carotene or lycopene. It can reduce the proportion of blue light reaching the fovea and improve the visual function of healthy people who have been exposed to the center of the computer screen for a long time.


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