Vitamin A: The most abundant foods are liver and egg yolk. Carotene in plant food can be converted into vitamin A in the body, so it is also a good source of supplement. Foods rich in carotene include kale, cauliflower, spinach, oil wheat, Chinese cabbage and other dark green leafy vegetables, as well as orange vegetables and fruits such as carrots, pumpkins, red sweet potatoes, mangoes, oranges and papayas.

Vitamin C: all kinds of fresh vegetables, citrus fruits, hawthorn, fresh dates, kiwis, strawberries, etc.

Vitamin e: all kinds of fresh nuts, beans, coarse grains, etc.

Lutein. Lutein is a kind of fat-soluble vitamin, and its absorption spectrum contains near blue-violet light, which can help the retina of the eye resist ultraviolet rays. Lutein is an important antioxidant for eyes. Supplementing a large amount of lutein to human body is helpful to maintain vision durability, improve visual reaction time and reduce visual damage. For nearsighted teenagers, lutein supplementation can delay the increase of myopia, and regular use of lutein can effectively prevent the damage of computer radiation to human body.

Haematococcus pluvialis The eye is the most vulnerable organ to oxidative attack. Mild eye injuries usually manifest as eye fatigue and decreased vision, and severe cases can cause blindness, glaucoma, cataract, presbyopia, retinopathy and macular degeneration. Haematococcus pluvialis extract can cross the "blood-retina barrier", repair the substances damaged by oxidation in the eyes, reach any part of the eyes, and quickly improve the eye diseases caused by study, work and prevention.