In the daily diet should try to consume nutrition in a comprehensive way, not a single intake of a certain type of nutrients, balanced nutrition to best protect vision. You can choose foods containing vitamins, proteins, calcium and phosphorus, zinc and chromium, which have a better protective effect on the retina or optic nerve. 1, foods containing vitamins: you can choose foods rich in vitamin A, such as carrots, spinach, cod liver oil, animal liver, etc. You can also choose fruits rich in vitamin C, such as oranges, lemons, etc.; 2, foods containing proteins: proteins are important nutrients for body The important nutrients for the development of the body, vision also has a certain protective effect, you can choose fish and shrimp, lean meat, eggs, beans, etc. to supplement; 3, food containing calcium and phosphorus: such food can effectively relieve eye fatigue, eliminate the eye nerve tension, you can choose to eat beans, shrimp, coarse grains, beef and mutton, etc., rich in calcium and phosphorus; 4, food containing zinc and chromium: life often have a lack of zinc and chromium The situation, mostly seen in the eyes of myopic people, can be appropriate to eat kelp, beef and mutton, nori, oats, animal liver, etc., which is richer in zinc, chromium and other trace elements. So in general, it is advocated to take in nutrition as comprehensively as possible in the diet in order to have a balanced diet with adequate intake of proteins, carbohydrates and vitamins, trace elements, etc., and not to be partial. For people who want to prevent myopia or control the development of myopia, it is important to avoid excessive intake of sweets and carbonated beverages. All these things can have a negative impact on vision.