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With the arrival of the winter vacation, in order to guide children and adolescents to use their eyes scientifically, regular work and rest, and actively prevent myopia, the Ministry of Education guided the national comprehensive prevention and control of children and adolescents myopia expert publicity team, and compiled a multi-scenario myopia prevention and control Q&A during the winter vacation, providing scientific guidance for the majority of children, adolescents and parents to answer questions and answer questions. Let's look at it with the education micro --
Active Prevention: Early Detection, Early Prevention
1. Do I have to have a vision check during the winter vacation?
Children and adolescents can conduct self-vision testing through standard logarithmic eye charts during winter vacations to pay attention to eye health. Parents take the initiative to observe and ask whether the child has squinting, frowning, blurred vision and other phenomena, and timely go to a regular medical institution for examination, so as to achieve early detection, early prevention, and early treatment. Do not rush to the doctor, do not believe that myopia can be cured, myopia degree can be reduced and other false advertisements. To find myopia and correct myopia, go to a regular medical institution.
2. Why is the holiday a key time to prevent myopia?
Children and adolescents during the holidays are prone to irregular life, lack of outdoor activities, long-term close use of eyes, etc., which can easily lead to the occurrence of myopia or the deepening of myopia. During the winter vacation, children and adolescents should engage in more outdoor activities, which is the most effective way to actively prevent myopia.
Outdoor sports: don't stay at home and be outdoors
3. How long is it possible to be outdoors and effective in preventing myopia?
Scientific research has proved that increasing the time spent outdoors can reduce the incidence of myopia. It is generally recommended to be active outdoors in the sun for no less than 2 hours a day, or a total of 14 hours per week. The key to outdoor activities is "outdoors", not the content, method and intensity of activities.
4. Winter vacation weather cold do not want to go out, indoor exercise can prevent myopia?
Indoor exercise effect is not ideal. Indoor sports vision is not open, light is not as good as outdoors, and outdoor light is the key to preventing myopia. Even if the outdoor temperature is low, it is necessary to often go outdoors to protect against cold and warmth. At home, you can go to the balcony or window to get more exposure to the sun.
5. Is outdoor activities effective on cloudy days?
The light intensity outdoors is greater than indoors, and even on cloudy days, the outdoor light intensity is much greater than indoors. Outdoor activities on cloudy days also have a certain myopia prevention and control effect.
6. What outdoor sports can be recommended during the winter vacation?
Playing basketball, table tennis, badminton, tennis and running outdoors is a great way to play sports. When playing ball, the eyes do near and far adjustment exercises, which can exercise the ciliary muscles, promote blood circulation in the eyes, and relieve eye fatigue.
Learn to read: Positive posture brightness foot
7. Does reading paper books hurt my eyes for a long time?
Paper reading is relatively less harmful to the eyes than electronic video screens. Improper learning posture and prolonged use of the eyes at close range can cause eye damage. Students should pay attention to timely rest when reading and learning, and the maximum duration of continuous use of the eyes should not exceed 50 minutes.
8. When studying and reading at home during the winter vacation, what kind of sitting posture is correct?
Incorrect sitting posture is one of the common causes of myopia. Winter vacation lack of teacher supervision, do not lie on the table or lie on the bed when learning to read at home, let alone read in the traveling carriage. When writing and reading, it is necessary to keep the head position upright and the shoulders upright, and adhere to the "one foot and one fist and one inch", that is, the eyes are one foot away from the book, the chest is a fist away from the edge of the table, and the fingers holding the pen are one inch away from the tip of the pen.
9. When studying at home during the winter vacation, what are the requirements for lighting?
Too much or too dark light can have a negative effect on the eyes. When the light is insufficient, turn on the room top lamp and table lamp to assist in dual light source lighting, and the table lamp should be placed in front of the opposite side of the writer.
Electronic products: select the screen to control the duration
10. Winter vacation at home, how long is the video screen longer?
The cumulative video screen time of primary school students shall not exceed 2.5 hours per day, not more than 20 minutes each time, and the cumulative video screen time of secondary school students shall not exceed 4 hours per day, which shall not exceed 30 minutes at a time. The best eye habits to use when viewing an electronic screen are to look at the screen for 20 minutes and then look up at a distance of at least 20 seconds at a distance of 6 meters (20 feet), that is, to follow the common "20-20-20" mantra.
11. What kind of electronic products are better for the eyes?
The recommended order of electronic products used in video screens is projector, TV, computer, tablet, and mobile phone. The larger the screen, the better, preferably using an LCD screen that can adjust the brightness of the screen. It should be noted that when the surrounding environment is too bright, the screen brightness needs to be brightened; when the surrounding environment is too dark, the brightness of the screen also needs to be appropriately lowered.
12. Can the "eye protection mode" of electronic devices protect the eyes?
The eye protection mode filters some of the blue light, making the screen less dazzling and has no special eye protection function. As long as you look at objects up close for a long time, it will make your eyes tired. Outdoors with higher brightness, using a low-brightness eye protection mode will increase eye fatigue. The computer is close to the window, and the computer screen should be kept facing away from the window, so as to avoid strong light directly illuminating the screen and reducing the reflection of the screen.
13. What should I do if I feel dry or tired eyes?
Pay attention to the mobile phone, TV or computer time can not be too long, if you feel eye discomfort can look into the distance. Maintain proper room temperature and humidity. When viewing electronic products, it is necessary to consciously blink more, you can completely close your eyes, so that the tears are fully wet to the eyes. Hot compresses are an effective way to relieve dryness and fatigue in the eyes, and can be applied for 10-15 minutes with a warm towel closed to the eyes. If dry eyes are severe, artificial tear drops are needed to relieve symptoms or go to the hospital.
Regular routine: Sleep enough and not picky eaters
14. Does good sleep help with vision?
Adequate sleep is not only important for the physical development of children and adolescents, but also affects the development of vision. It is recommended that parents lead by example and urge their children to sleep regularly and adequately, kindergarten and primary school students sleep for no less than 10 hours a day, junior high school students sleep no less than 9 hours a day, and high school students sleep for no less than 8 hours a day.
15. What should I pay attention to when preventing myopia during the holidays?
Eat a balanced diet and eat less sweets, sugary drinks, and fried foods. Some children are partial to food or picky eaters, eye growth and development and maintenance of function of the required nutrient supply is insufficient, will have a certain impact on eye health, parents to do a variety of recipes, guide children to eat more vegetables and fruits, the appropriate intake of fish, soy products and eggs and other high-quality protein, can also eat carrots, blueberries and other foods rich in vitamins for the eyes.