1, vitamin A Vitamin A is helpful for nourishing the liver, improving eyesight and relieving eye fatigue. Vitamin A mainly exists in the liver, cod liver oil and egg yolk of various animals. Plant food can only provide provitamin A.

2. Beta carotene. Beta-carotene, like vitamin A, is helpful for nourishing the liver, improving eyesight and relieving eye fatigue. β -carotene mainly exists in carrots, tomatoes, spinach, leeks, apricots, sweet potatoes and other green and yellow fruits and vegetables.

3, vitamin C. Vitamin C is also good for the eyes. The content of vitamin C in human eyes is several times higher than that in blood. With the increase of age, the content of vitamin C decreases obviously, and the lens is malnourished, which will cause lens degeneration over time. Therefore, we should eat more vegetables and fruits rich in vitamin C, such as kiwi fruit, cherry, guava, red pepper, yellow pepper, persimmon, broccoli, strawberry, orange, orange, kale flower and so on.