The college entrance examination is over. We can relax completely! Although the college entrance examination is over, but the protection of our eyesight can never be relaxed. Myopia and bad eye habits are related to a certain extent. In the same way, bad eating habits can also become accomplices to induce myopia. To prevent myopia and keep away from the problems brought by myopia, we might as well start with eating first. These six kinds of food are eye protectors.
1. Vitamin A
Vitamin A plays an important role in the formation of human vision and participates in the synthesis of rhodopsin in retina. Lack of vitamin A will affect the adaptability of eyes in the dark environment, which is manifested as decrease, and even lead to night blindness. The foods with high vitamin a content include animal liver, cod liver oil, roe, whole milk and whole milk products, eggs, etc.
Carotene can be converted into vitamin A in human body, which is also called vitamin a source. Spinach, leek, pea seedling, alfalfa, green pepper, sweet potato, carrot, pumpkin, apricot, mango and other vitamin A sources are more.
2. Calcium rich food
Calcium is also known as the "protector" of eye tissue. If there is a lack of calcium in the body, it will lead to the decrease of the elasticity of the eye retina, the increase of the pressure in the crystalline body, the lengthening of the anterior and posterior diameter of the eyeball, and may also lead to the pathological changes of the cornea and ciliary muscles, so as to easily lead to vision loss or myopia.
The foods rich in calcium include milk, beans, fungi, dried fruits and marine products, and they can be used with vitamin D to help calcium absorption.
3. Foods rich in vitamin C
Persimmon pepper, tomato, lemon, kiwifruit, hawthorn and so on are rich in vitamin C. vitamin C can weaken the damage of light and oxygen to the lens of the eye and delay the occurrence of cataract.
4. Trace elements
Microelements mainly include selenium, zinc, chromium, etc., which can improve the function of eye tissue and prevent vision loss. Animal liver, egg, fish, shellfish, soybean, mushroom, asparagus, shepherd's purse, carrot, etc. contain more selenium; liver, kidney, seafood, milk, cereal, beans, hard fruit, etc. contain more zinc; beef, black pepper, brown rice, corn, millet, coarse flour, brown sugar, grape juice, edible fungus, etc. contain more chromium.
5. Kelp
In addition to iodine, mannitol contains one third of the "status" in kelp. There will be a layer of "white frost" on the surface of dried kelp, namely mannitol. Its effect is to reduce intraocular pressure, so it is helpful for the treatment of glaucoma. Seaweed products, such as Undaria pinnatifida, also contain mannitol, which is an adjuvant treatment for glaucoma.
6. Coarse grain and fresh vegetables
Most of the time, we advocate eating more coarse grains and fresh vegetables, because they contain vitamin B and vitamin C, which can play a role in eye protection.
Don't pay attention to these three points. Look out for myopia
1. Too sweet
Eat too much sweets, will consume a lot of vitamin B1 in the body, but also reduce the calcium in the body, weaken the elasticity of the eye wall, induce myopia.
2. Eating too well
The reason why eating too well is not good. This is because eating too well for a long time, especially for children, will lead to the lack of trace element chromium in their body, which will lead to the lens becoming convex, the diopter increasing, and induce myopia.
3. Eating too soft
Eating too soft is not good, it is reported that too little hard food intake is also one of the causes of juvenile myopia.
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