1. Lutein and zeaxanthin
These two kinds of substances can help the eyes filter blue and ultraviolet light, so that the macula of the retina is not damaged. Dark corn, pumpkin, spinach, mustard, cauliflower, onion, rape and so on are rich in lutein and zeaxanthin.
2. Tea polyphenols
It can not only remove the free radicals in the body, but also prevent the damage to the eyes caused by radiation. People who often use computers and mobile phones drink green tea every day.
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