The first thing you should do is to eat less sweets, because a diet high in sugar can easily lead to early myopia. 2. eat more carrots, because carrots contain carotene, which is very good for improving the function of the retina and helps prevent night blindness. 3. eat more foods rich in vitamin A, such as animal liver, which can prevent dry eyes. 4. eat more foods rich in vitamin B, such as sesame, soybeans, dairy products, etc., which have a nourishing effect on the nerves. 5. Such as sesame, soybeans, dairy products, etc., has the effect of nourishing nerves. 5, eat more foods rich in vitamin C, such as a variety of vegetables, fruits, etc. Vitamin C has the effect of antioxidant, can reduce the damage of ultraviolet light to the lens, to prevent premature aging of the lens, to prevent the early formation of cataracts. 6, eat more food rich in lutein, such as cauliflower, lutein can block the ultraviolet blue light damage to the eyes.