The effects of lutein and zeaxanthin on eye health

The mechanisms by which lutein and zeaxanthin protect eye health include filtering blue light and antioxidant effects, preventing oxidative stress and free radical damage to retinal cells, thereby improving visual performance and reducing the risk of age-related eye diseases.

Lutein and zeaxanthin can help improve the visual quality of people with visual health and age-related diseases (such as AMD), including visual acuity, contrast sensitivity, 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 (ie, the time required to recover from strong light), improving color contrast, and increasing visual processing speed (to Time Contrast Sensitivity (tCSF) as an indicator)". In addition to healthy people, lutein supplementation in AMD patients can increase the optical density of retinal macular pigment(MPOD), while improving its visual acuity and contrast sensitivity.

These studies to improve visual performance are important because they show that lutein and zeaxanthin can provide eye health benefits regardless of the user's age or AMD.

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