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Myopia is a type of refractive error in which distant objects do not converge on the retina and form a focal point in front of the retina, thus causing visual distortion and blurring distant objects. Most people have myopia caused by long-term unhealthy eye use, and some are related to genetic factors. With too much time spent near the eye, the ciliary muscles are often contracted, resulting in regulatory tension or regulatory spasticity.
When the lens loses traction of the ciliary muscle, it thickens and becomes convex, and when you look at a distance, the focus falls in front of the retina, and you can't see clearly. Over time, it can cause myopia. There are several causes of myopia.
In general, the ciliary muscles are often in a state of contraction, resulting in regulatory tension or regulatory spasticity. When the lens loses traction of the ciliary muscle, it thickens and becomes convex, and when you look at a distance, the focus falls in front of the retina, and you can't see clearly. Myopia is also related to genetics.
Parents are nearsighted, and children may be more likely to be nearsighted. However, at present, most of the myopia in adolescents is caused by not paying attention to eye protection.
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The reasons why the myopia rate of high school students and college students in China exceeds 70% are:
1. Students are overburdened, that is, they are overburdened with schoolwork.
2. Too little time to participate in outdoor sports.
3. Students and parents do not pay attention to eyesight.
Myopia not only affects the daily life of children, but also affects future education and employment, so it is still necessary to pay attention to it. Generally, doctors suggest that if myopia is found, bad eye habits should be corrected in time, and oral eye vision nutrients should be taken every day to supplement the comprehensive nutrition of the eyes, so as to fundamentally control or improve the myopia of the eyes.
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The main reason is that China's education belongs to exam-oriented education, students need to receive enough knowledge in the classroom, and they have to read a lot of books and do a lot of exercises every day, coupled with the popularity of electronic products, which leads to excessive use of electronic products, resulting in a high rate of myopia.
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The reason why the myopia rate is getting higher and higher is because:
Children play games for a long time and do not get their eyes rested.
The body's organs are very limited, and if one of the body's organs is in working or weight-bearing mode for a long time, this will lead to problems with the body's organs. The eyes are the windows to the soul, but they should also be effectively protected by adolescents and children to ensure that they are well rested. However, most teenagers and children will play games desperately, and they pay less attention to the time they spend playing games, but more to the experience of playing games.
When the child is immersed in the game for a long time, the child's eyes cannot be rested, and myopia arises spontaneously.
On the other hand, it is because:
Pay attention to eye hygiene, and it is difficult to develop proper eye habits.
When we were young, the first lesson our teacher taught us was to develop good eye habits. Every once in a while, the class teacher will let the students in the class look into the distance, which is not because the class teacher deliberately makes the child lazy, but looking into the distance can effectively relieve eye fatigue. In addition, every child should pay attention to eye hygiene and cleanliness, and never feel that the eyes are unhygienic and untidy, which will not affect their personal physical condition.
In fact, when our eyes are in an unhygienic condition for a long time, our eyes will also experience appropriate reactions, such as myopia.
In general, more than 50% of children and adolescents have symptoms of myopia, which can also show that parents and teachers should let their children form good eye habits, reasonable work and rest, combine work and rest, regularly supplement eye nutrition with eye vision nutrients, eat less sweets, pay attention to eye safety, so as to reduce the probability of myopia.
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Because high school students are under too much pressure to study and use their eyes in an incorrect posture, it can lead to myopia.
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Because many students now have a particularly heavy learning task, and many students are addicted to electronic products, so there will be so many people who are short-sighted.
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The myopia rate of high school students in the country has reached 80%, indicating that everyone does not have good eye protection at all. Because high school students have a lot of homework, they sleep very short at night. If there is no way to ensure that your child gets enough sleep, it will not be conducive to your child's eye development.
If you want to reduce this near vision, you must keep your children in the correct sitting posture and go to rest on time when they return to the world at night. When the state implemented the double reduction policy, it actually took this phenomenon into account. I don't want my child to gradually do something harmful to his body during the exam.
If your child's outdoor activities are too brief, they are not conducive to eye development. Schools must have half an hour in the morning and half an hour in the afternoon, so that the students' eyes can be better faster. When teachers use more **, they must make the teaching electronic, so as to reduce the damage to the children's eyes.
The teacher must not drag the class during the big recess, and let the children go downstairs for a proper activity. <>
If you want to prevent myopia, you must let yourself squint less, because squinting is not the correct posture of using your eyes. High school teachers must constantly emphasize that students use the correct sitting posture, otherwise their eyesight will definitely become worse and worse. Some people always like to read on their stomachs, but they don't know that that is the most harmful behavior to their eyes.
The teacher should tell the students how to behave properly, and it is best to give a demonstration to the early students. <>
In general, myopia will have a great harm to life, in addition to wearing glasses every day, it will increase the burden of life. After removing his glasses, he looked like a blind man, and he couldn't see people's faces clearly from 10 meters away. Without glasses, it will be very painful to cross the traffic light, and it is impossible to wear glasses for the rest of your life.
Usually, when high school students read books, they must be in a well-lit place, because in this way they can protect their eyes well.
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The myopia rate of high school students in Quanhao Zhiguo exceeds 80%, which shows that there are many high school students who use their eyes very wrongly, and it also shows that the high school brother Hongsheng is not very good at protecting his eyes; If you want to reduce this myopia rate, then you should let students develop the habit of using their eyes correctly, and let students check their eyesight regularly.
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It shows that the myopia rate of high school students in the country is particularly high, with 8 out of every 10 people complaining of myopia. Parents must let their children have a correct sitting posture, when writing homework, they must be far away from the distance from the socks burning and slippery, usually look less at electronic products, do more eye exercises, and eat more fungus radish.
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Establish and improve the eye exercise system, incorporate the eye exercise time twice a day into the class schedule, organize students to do eye exercises, and urge students to participate in outdoor activities between classes. Actively participate in physical exercise, especially table tennis, badminton and other sports that are conducive to eye muscle training.
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I think the culprit is all kinds of electronic products, because now is an Internet era, many schools are also allowed to have an attitude towards mobile phones, and even most of the shed infiltration operations must be completed on mobile phones. Therefore, children do not understand the shortcomings of mobile phones, and if they hold their mobile phones or tablets for a long time, then there will naturally be problems with their eyes, and if they want to effectively protect their eyes, they must solve the problem from the root. Clause.
1. Reduce the quality of electronic products, and don't let your eyes be in a state of fatigue. Clause.
2. Eat some supplements or drink mulberries in water, which can have a clear effect. <>
In addition to electronic products, it is believed that it is related to the huge study pressure of high school students, because they have to face the college entrance examination, so they often overstudy, and even some students still light a small desk lamp in the dormitory after self-study at night, and continue to study for a while. However, studying with a desk lamp in a dark environment is the most likely to hurt the eyes, and it can also make the eyes uncomfortable, so most high school students wear glasses. So don't ask yourself to do this, try to complete your homework in class, and don't take it back to the dormitory, which is a place to rest.
In addition, parents should also be allowed to take them to eye examinations regularly, adjust them according to the doctor's instructions, and also buy some supplements or bright things for their children to a certain extent. If you feel uncomfortable with your eyes, you should do eye exercises appropriately, and you should also tell you not to squint to see the font on the blackboard, which will be bad for your eyes. Write homework in a standard posture and keep your eyes at arm's length from the workbook.
I found that many high school students especially like to write homework on their stomachs, thinking that this can relax, knowing that this way is the most harmful to the eyes, so it is necessary to correct it effectively. Finally, don't let your eyes stare at something for a long time, you can take a proper look at the scenery outside the window, or you can lie on the table and rest for a while. The eyes are very important, and if there is a problem with the eyes, then the child's learning will also be limited.
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Everyday ways to protect your child's eyesight include:
1. Look into the distance. If you can look into the distance, you can adjust the function of the ciliary muscles of the eyes very well, thereby relieving the symptoms of eye fatigue.
2. Pay attention to rest. When your eyes feel tired, you may wish to close your eyes for a while, which can be effectively relieved.
3. Massage your eyes. Gentle massage of the eyes can be used to effectively eliminate eye fatigue.
4. Iron your eyes. When you feel tired eyes, you can rub your hands together and put them on your eyes to eliminate eye fatigue.
5. Steam fumigation. You can put a glass of water under your eyes and use steam to fumigate your eyes, which can protect your eyes and promote blood circulation.
6. Imitation nutrition and eye protection. Generally, we use Joy Vision Nutrients to supplement the comprehensive nutrition of the eyes, so as to better alleviate eye fatigue.
In this way, as long as the eyes are not tired, then it is naturally not easy to be short-sighted!
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The main reason for this situation may be that these high school students study for a long time in the later development process, and the eye protection for them is not in place, and Yanyan may lead to this situation, in ordinary life, we should do a good job of relevant eye protection measures, first of all, we should eat more foods that are conducive to the health of our eyes, strengthen the exercise of our eyes, and also properly relax our eye muscles.
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It is related to electronic products, and long-term study is also related to a certain extent, so we must pay attention to the combination of work and rest in daily life, and pay attention to the choice of food.
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The myopia rate of adolescents is very high, and the myopia of high school students in China accounts for more than 80% of the total number, which is very scary. If there are 100 students, then nearly 80 students are nearsighted. When seeing their children's myopia, many parents are also more anxious, thinking that it may be due to the fact that their children spend more time playing games and watching TV dramas, but in fact, the real reason for myopia is due to the formation of bad habits.
For example, if you sit incorrectly when reading a book or doing homework, and your eyes are too close to the table, this posture will cause myopia if you maintain this posture for a long time. <>
Those teenagers who do not have myopia must do a good job of myopia prevention, especially to avoid visual fatigue, which can reduce the chance of myopia. When using computers and mobile phones, be sure to reduce the number and time of use, and do not let the brightness of the screen be too high when using this electronic device, especially at night, and do not turn off the lights to play with electronic devices. In addition, you need to take a break for a while while doing homework and watching TV, looking into the distance and watching more green plants can also relieve fatigue and reduce the possibility of myopia.
For adolescents who are already nearsighted, it is important to control the magnitude of the increase in power. After myopia, it is necessary to go to the optical store in time to match the appropriate prescription glasses, and also need to ensure that you wear glasses at all times when looking at things, and you can't squint to see objects, especially those things that are very eye-consuming, and long-term ** will aggravate our prescription. In addition, regularly participating in outdoor activities and doing some entertaining and educational games with friends can reduce the growth and frequency of prescriptions.
In short, the harm of myopia is very large, in addition to the need to wear glasses every day to increase the burden of our lives, once the glasses are removed, we are like blind, 10 meters away may not be able to see people's facial expressions. If we are farther away, as if we are looking at a lump of things, we are also extremely troublesome when crossing the street to see the traffic light, and once myopia, the time to wear glasses is lifelong, and there is no possibility of reversal.
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Don't lie down and look at your phone at night, don't watch TV often, don't play with electronic products often, keep your eyes one meter away from books when writing, don't rub your eyes often, do eye exercises, and then look more into the distance and see more green plants.
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