You should pay attention to these symptoms of your body. Driving a long-distance bus, you can't eat well or sleep well, you don't exercise enough, and your body's resistance is weakened. You should increase nutrition, keep warm, wear more clothes, exercise properly and have more rest. Moreover, long-distance driving leads to excessive use of eyes, which will lead to blurred vision. Eat more food with good eyesight at ordinary times. Besides, health is the capital of revolution. I suggest you take a rest and get well first. After all, many people in the car are responsible for you and the passengers.

Food that is good for the eyes

First, provide sufficient vitamin A: Vitamin A is an important raw material for the formation of eye-sensitive substances, which can protect eyes and other epithelial tissues and indirectly resist infection. Adequate vitamin A can increase the smoothness of cornea, make eyes bright and look radiant.

Second, add enough protein: rhodopsin on eyeball retina is composed of protein. When it is deficient, in addition to muscle weakness and dysplasia, it is also prone to infection, edema and anemia, and visual impairment. Therefore, children should eat more foods with high protein content, such as lean meat, fish, milk, eggs and bean products.

Third, indispensable calcium and phosphorus: calcium and phosphorus can make the sclera tough and participate in the physiological activities of the optic nerve. When calcium and phosphorus are deficient, it is easy to appear vision fatigue, distraction and myopia.

Four. Vitamin C, B 1 and B2 are indispensable: Vitamin C is an important nutrient component of the eyeball lens, and insufficient intake will make the eyeball lens turbid, which is one of the important causes of cataract. Foods rich in vitamin C include oranges, oranges, grapefruit, tomatoes, various fruits and vegetables. And the content of fresh dates and monkeys is richer. Vitamin B 1 and B2 are important substances involved in the metabolism of nerve cells including optic nerve, which can protect eyelid conjunctiva, bulbar conjunctiva and cornea, and also prevent and delay the formation of canthus and canthus tail lines.

5. Trace elements can not be ignored: Although the content of trace elements in human body is less than 1% of body weight, it plays a great role. Without them, metabolism is difficult and children's health will be affected. Trace elements such as zinc, chromium, molybdenum, selenium, etc. It is also involved in the metabolism of various substances in the eye and regulates its physiological functions, which cannot be ignored.