How to prevent myopia

  How to prevent myopia? What should I pay attention to in order to prevent myopia? To prevent myopia, we should pay attention to nutritional intake, eye hygiene, posture and timing, etc.  The following is a detailed introduction to us, to prevent myopia to pay attention to matters.  1, eye exercises: when the eyes are not comfortable, eye exercises is your good choice. Pay attention to eye hygiene, pay attention to adolescents pay attention to eye hygiene, reading attention to the distance between the eyes and the book, the posture should be correct, can not lie down to read or walk while reading; pay attention to reading the lighting light to be adequate, reading and writing for 40 minutes in a row should rest, look away, can not be too much indulged in game consoles, television.  2, posture is very important: whether in reading or doing homework, we must pay attention to the correct posture, and also to ensure that the height of the table and stool appropriate. Many children like to lie down and read, or in the car and walking when reading, these are bad posture, in the long run will lead to myopia, so parents must pay attention to timely correction. Cultivate their correct reading and writing posture, do not lie on the table or twist the body. Books and eyes should be kept a city feet. School desks and chairs should be suitable for the size of students.  3, pay attention to environmental factors classroom light should be bright, the desktop, blackboard do not reflect too strong, the left and right sides should have windows, not too high, too small, in order to sit in any position in the classroom can see the window gems to choose to choose to choose to choose to choose the dice round; children’s desks at home should be placed in front of the window outside without shade, _ lamp should be placed in front of the left, the light should be soft. Writing and reading should be properly lit, and the light should preferably come from the left. Do not read and write in too dark or too bright light, reduce the burden on students, ensure a 10-minute break between classes to reduce visual fatigue.  4, reading, writing and studying are all necessary daily homework for children, plus the Internet and TV time, so frequent use of the eyes will make the eyes eat. Therefore, parents should pay attention to remind their children that every 40-60 minutes they should stop and close their eyes to rest for a while, or look at the scenery in the distance, so that the ciliary muscle that regulates vision can get a rest and quickly recover from vision fatigue.  5, exercise: actively carry out physical exercise to ensure that students have an hour of physical activity every day.  6, playing badminton, table tennis can prevent myopia: in the process of playing ball eyes must quickly follow the badminton and table tennis such as flexible “small ball movement” trajectory changes, which is 5 to 9 years old children’s eye function perfection has unexpected benefits.  7, pay attention to nutrition Parents must pay attention to ensure that the child’s adequate intake of nutrients, especially calcium, phosphorus and vitamin A, b2, b1, c, etc., these nutrients can help us effectively prevent myopia and protect vision. Also pay attention to the fact that an inappropriate diet can lead to nutritional deficiencies thus leading to symptoms of feeding the child.  Pay attention to eat less sweets, eat too much sweet, will make a lot of acid in the blood, affecting the body’s absorption of calcium ions in food, which has an impact on vision. If the body lacks calcium, it will make the eye wall elasticity decrease, the lens pressure rise, resulting in the front and rear diameter of the eye elongated, but also the corneal ciliary muscle degenerative lesions.  Virgin fruit: Virgin fruit is a vitamin warehouse. The content of vitamin A in the fruit and vegetable belongs to the best, the sainted fruit is also rich in vitamin C and vitamin P, can scavenge free radicals, has a strong antioxidant capacity, which can protect the cell deoxyribonucleic acid, to avoid genetic mutations. At the same time, the pectin in the fruit can increase the elasticity of the skin, so take it as a snack to eat, both beauty and eye protection.  Apples: Apples are also known as the “fruit of the eyes” because they contain vitamin A and the trace element selenium, which are key to vision. According to Indian scientists, the normal retina contains 7 micrograms of selenium, while the eagle eye contains 100 times the amount of selenium, which indicates that sharp vision and selenium content; some people in the twilight vision is not clear, but also due to the lack of vitamin A and the reduction of the synthesis of visual violet red pigment. Therefore often eat some apples, can protect eyesight.  Orange: kumquat peel nutritional value is surprising, 80% of the vitamin C are stored in the peel, not only for the liver detoxification function, but also to protect the eyes, protect the immune system, etc., the nutritional value of citrus fruits in the top. Kumquat peel is thick and smooth, with many oil cell points (i.e., aromatic gas is produced when pressed). In addition to being eaten fresh with the peel, it is often used to make preserves, beverages, fruit wines and other casual foods.