First, foods containing vitamin A Vitamin A is an important substance to maintain the normal metabolism of the human body and can keep the eyes in a normal state. It can also effectively prevent corneal degeneration, so if vitamin A is lacking, there will be dry eye and even decreased vision. Many people can't see clearly at night because of the lack of vitamin A in their bodies. Therefore, we should eat more animal livers, so the vitamin A content in eggs and milk is also relatively high. However, because the transformation of vitamin A in human body is relatively low, people need to eat more foods rich in carotene.
Second, foods containing vitamin B2 If the body lacks nutrients of vitamin B2, then there will be symptoms of tears and itchy eyes. Many people lack vitamin B2 in their bodies, so we must pay attention to it in our daily diet, especially in adolescence, and eat more egg yolks. Some vegetables are particularly nutritious, so it is recommended not to miss them.
One of the components of human eyeball lens is vitamin C. If vitamin C is lacking, the probability of cataract is very high. Some fresh vegetables and fruits contain a lot of vitamin C, so everyone needs to take a certain amount every day. Fish is rich in unsaturated fatty acids, which has an ideal protective effect on retina, so you need to eat some fish every day. If economic conditions do not allow, then you can eat 1~2 times a week. It is suggested that when preparing food, the ingredients must be diversified and reasonably matched.