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It's all so detailed.
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Myopia prevention refers to a method to prevent myopia by correcting posture and shortening the time. The incidence of myopia in China is still increasing day by day, and medical experts believe that the visual environment is the main cause of myopia, rather than eye habits.
The essence of myopia is that the regulatory function of the eye muscles declines, resulting in distant light passing through the refractive of the eye, and the focus falls in front of the retina, and a clear image cannot be formed on the retina. It can be seen that in order to prevent myopia, it is necessary to avoid excessive tension of the eye muscles, which leads to the decline of their regulatory function.
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Green is good for the eyes, look at the lawn and woods; Keep your eyes at a distance from books, computers, and televisions; The brightness of computers and TVs should not be too high; Don't lie down and read; Usually use your eyes for an hour, do eye exercises, look at the distance, and rest for ten minutes; Don't rub your eyes with dirty hands; Do not mix towels to wipe your face to prevent infectious diseases; Carrots contain B vitamins, which are good for the eyes; Eating more animal livers can lead to night blindness. Myopia patients are generally deficient in chromium and zinc, and myopia patients should eat more foods that contain more zinc. Foods such as soybeans, almonds, seaweed, kelp, mutton, yellow croaker, milk powder, tea, meat, beef, liver, etc., contain more zinc and chromium, which can be increased in moderation.
Zinc supplementation is best to take protein zinc, such as Xinxibao tablets.
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Teach you simple ways to prevent myopia
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Is it true that taking more physical education classes can prevent myopia?
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To prevent myopia, first of all, we must maintain correct eye habits, such as having sufficient light when studying, keeping a certain distance from reading, paying attention to the combination of work and rest, looking away during recess to pay attention to eye protection, you can also do eye exercises, massage hot compress eyes, avoid looking at mobile phones for a long time, and try to do as many outdoor activities as possible on the computer screen, which can effectively alleviate the occurrence of myopia.
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The prevention of myopia mainly starts from the aspects of concept awareness, eye habits and eye adjustment.
1) Conceptual awareness: myopia is not only universal, but also has a certain degree of harm, myopia patients have different degrees of reduced eyesight, visual function is damaged, will have a certain impact on learning, work and life. Myopia focuses on prevention, and it is necessary to improve the concept of protecting eyesight and strengthen the awareness of myopia prevention.
2) Eye habits: The prevention of myopia is inseparable from the development of eye hygiene, when reading a book, under bright natural light, maintain a correct sitting posture, avoid lying down and reading on the stomach, and add a lamp on the side of reading or writing at night to keep the light evenly and choose a stable light source; Do not read for a long time, and let your eyes get enough rest for about 40 minutes.
3) Ocular adjustment: After using the eye for a certain time, you should look into the distance and adjust the eye muscles appropriately; Increasing outdoor activities, a wide range of eye movements, and a wide field of vision are essential for the prevention of myopia; Cooperate with appropriate eye exercises, 2 eye exercises a day, and not too much.
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The professor at Harvard University tells you: to prevent myopia in children, you only need to do one thing. It's that simple, can you stick to it?
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How can myopia be prevented? Star Awareness Project
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Is it true that taking more physical education classes can prevent myopia?
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The professor at Harvard University tells you: to prevent myopia in children, you only need to do one thing. It's that simple, can you stick to it?
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1. When reading and writing, do not lie on the table and tilt your head to study, let alone lie down or sit in the car to read, and the posture of reading and writing must be correct.
2. When writing and reading, keep the distance between the body and about 30 cm.
3. Don't use your eyes for a long time, especially when using the computer, watching TV, watching and writing, it is best not to exceed 40 minutes in a continuous time, and you should rest for about 10 minutes after using your eyes, do eye exercises, look at the green scenery in the distance, or close your eyes and take a break.
4. The indoor light should be sufficient and soft. If you can't study in strong sunlight, you can choose a non-flickering lamp, such as an incandescent lamp.
5. Eat a balanced diet, don't be picky, and eat more foods that are good for your eyes, such as carrots, tomatoes, corn, spinach and other red foods, all of which have a health care effect on your eyes.
6. Regularly supplement vision nutrients to enhance the anti-fatigue ability of the eyes and prevent the occurrence of myopia. Generally, doctors recommend taking two packs of Vision Nutrients a day, and insist on taking them for a period of time, which can protect your eyesight and prevent the occurrence of myopia.
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In ordinary life, we should develop a good habit of using our eyes, pay attention to the posture of writing and reading, try not to look at or look less at electronic products such as mobile phones, read books, write homework and other close eye time should not be too long, stop and rest for about 40 minutes, do more eye exercises, increase the time for outdoor activities as much as possible every day, look at things in the distance, ensure adequate sleep and balanced nutritional intake, and don't be picky eaters.
Go to a regular hospital for eye and optometry examinations.
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1.The time for reading and writing should not be too long, and after lasting 1 hour, there should be a short rest to look into the distance and do eye exercises. (Nowadays, the distance between handheld devices and computers is about the same as reading and writing, so you should also pay attention to the time of use).
2.Do not read or write in too dark or too bright light, reduce the burden on students, ensure a 10-minute break between classes, and reduce visual fatigue.
3.When watching TV, it should be noted that the height should be level with the line of sight, the distance between the eye and the fluorescent screen should not be less than 5 times the diagonal length of the fluorescent screen, and a small electric light should be turned on indoors when watching TV, which is conducive to protecting eyesight; After watching TV for 1 hour, take a short break and look into the distance and do eye exercises.
4.Actively carry out physical exercise, and ensure that students have one hour of physical activity every day. Cultivate proper posture for writing and reading, and do not lie on the table or twist your body. Books and eyes should be kept at one foot in the eye. School desks and chairs should be suitable for the student's body shape.
Etiology: The main causes of myopia are as follows:
1.Genetic factors High myopia has a certain familial genetic predisposition. Families with high myopia will have a higher incidence of myopia in the next generation. >>>More
Myopia is a very painful experience, if you are not myopic, you will never be able to experience that pain, sometimes like high myopia, removing the eyes is basically half-blind, half-blind when you open your eyes.
Parallel light rays are refracted through the refractive system of the eye, and if the focus is on the retina, it is called an emmetropic eye; If it fails to focus on the retina, it is divided into myopia, farsightedness, and astigmatism, collectively known as refractive error. Refractive error correction methods are divided into the following types: >>>More
The causes of myopia are:
1. Myopia is mainly due to long-term excessive use of the eyes, so that the muscles inside and outside the eyes are in a tense state for a long time and cannot be rested, and over time the eye axis becomes longer, and the objects cannot converge on the retina, and the distant objects cannot be seen clearly. >>>More
How is myopia formed? The development of most low- and medium-to-moderate myopia is related to hyperopia during eye development. Myopia is a period of rapid development at the age of 12 to 18, and this is precisely because teenagers have a strong desire for knowledge, read a lot, are busy with homework, and because of watching TV, playing computers, playing game consoles, etc., outdoor activities are significantly reduced, and they are in a state of myopia for a long time; Some people neglect eye hygiene, do not pay attention to distance and posture when reading, do not pay attention to lighting and time, resulting in eye hygiene and excessive nearsight at this age at the same time as the eye development stage, in this state, the ciliary muscle continues to contract for a long time, first forming an accommodative spasm, and then further developing into myopia. >>>More