How should eye myopia do? What can eat prevent myopia?
1. Rich in vitamin a food: lack of vitamin A, the eye's ability to adapt to the dark environment, serious when prone to night blindness. And vitamin A can also prevent and treat dry eye disease.
2. Vitamin B rich food: the retina of the eye stores a considerable amount of free vitamin B2. If vitamin B is deficient, it will lead to photophobia, tears, burning pain and itching, visual fatigue and eye spasm.
3. Rich in vitamin C Food: Vitamin C is one of the ingredients of the eye lens, vitamin can also effectively inhibit cell oxidation, lack of vitamin C easy to make baby's eyes dry.
4. Rich in calcium food: calcium has the effect of eliminating eye tension, can alleviate eye fatigue.
5. Protein rich food: protein is the main component of cells, and the repair and renewal of tissues need to constantly supplement protein. Eating more protein can make your eyes bright.
Fruit good for eyes
Fruit is delicious and nutritious. It is an indispensable part of people's diet. So, what fruit is good for eyes? Which fruit can protect eyes? Let's have a look at the fruits that protect eyes.
1. Blueberry
Blueberry contains a lot of vitamins, amino acids, minerals and other ingredients, which has a good nutritional and health function. Its nutritional value is much higher than other fruits, and it has the reputation of "king of fruits in the world". The international food and Agriculture Organization lists blueberry as one of the five health foods.
It can also improve eye blood circulation and maintain normal intraocular pressure. These are the 'anthocyanins' contained in blueberries. Eating more blueberries can reduce eye fatigue of computer workers and improve night vision.
In addition, blueberry also has many healthy substances beneficial to human beings, including vitamin A, vitamin B, vitamin C, vitamin E and rich edible fiber. These nutrients can help the computer family effectively protect capillaries, prevent brain nerve aging, and enhance people's memory.
2. Virgin fruit
The cherry is a vitamin storehouse. The content of vitamin A in virgin fruit is the best in fruits and vegetables. Virgin fruit is also rich in vitamin C and vitamin P, which can eliminate free radicals and has strong antioxidant capacity, so as to protect cell DNA and avoid gene mutation. At the same time, the pectin in the virgin fruit can increase the elasticity of the skin, so eat it as a snack, which can not only beautify but also protect the eyes.
3. Kiwifruit
Kiwi fruit can provide a large amount of vitamin C, known as the 'King of vitamin C'. According to analysis, every 100 grams of kiwi fruit pulp will contain at least 200 mg of vitamin C, dozens of times higher than the average fruit. Vitamin C can slow down the stimulation of light and oxygen to the eyes, and can delay the occurrence of cataract. People who use computers for a long time eat more kiwi fruit.
4. Apple
Apple is also known as "Mingmu fruit" because it contains vitamin A and trace element selenium, which are key to eyesight. According to Indian scientists, the normal retina contains 7 micrograms of selenium, while the eagle's eye contains 100 times as much selenium as that of human beings, which indicates that the keen eyesight is related to the selenium content; some people who can't see clearly at dusk are also caused by the decrease of rhodopsin synthesis due to the lack of vitamin A. So often eat some apples, can protect eyesight.
Ten Secrets of eye protection
1. Reflection should be avoided
Desk should have side light device to reduce reflection.
2. The reading distance is moderate
The standard distance between the book and the eye is 30 cm, and the height of the chair matches the child's physique.
3. Sleep is essential
Sleep more than 8 hours a day, physical fatigue is easy to cause pseudomyopia, sitting posture should be correct.
4. Sit upright
If the neck has been kept forward bending posture, the eyeball will be in a state of hyperemia, intraocular pressure will increase, eyeball bulge is easy to cause myopia.
5. Light should be sufficient and comfortable: desk lamp on desk, bulb should be 40w-60w, fluorescent lamp should be 20W.
6. TV distance should not be too long
The distance between the eyes and the picture should be more than 3 meters. Every 30 minutes, you need to take a rest.
7. Looking at the distant mountains and the green fields
Often go to the park or open space activities, so that the eyes have the opportunity to see far.
8. Don't read too long
No matter doing homework, playing computer, playing video games or watching TV, the time should not be too long. Take a break every half an hour.