Abstract: medical research shows that mineral elements such as calcium and chromium are an important condition to ensure normal vision of children. Calcium plays an irreplaceable role in maintaining normal pressure of eye crystals and chromium in maintaining eye diopter., Children’s growth and health can not be ignored. Now more and more parents are paying attention to their children’s health. Shilijia optometry center reminds parents that their children’s visual health can not be ignored. Here are the factors causing pupils’ myopia., 1. Disease: a considerable number of patients have suffered from measles, pertussis and other infectious diseases. Most of these children have eye enlargement. When the eye is in the expanded state, the diopter of the eye decreases and the vision decreases., 2. Noise: the research of relevant experts shows that when the sound intensity is above 90 dB, the sensitivity of rod cells in the fundus retina to distinguish light brightness begins to decline, and the time to identify weak light response is prolonged. When it exceeds 45 dB, 40% of people have dilated pupils, and when it reaches 115 dB, the adaptability of eyes to light brightness decreases by 20%, accompanied by the weakening of color perception., 3. Lack of mineral elements: medical research shows that mineral elements such as calcium and chromium are an important condition to ensure normal vision of children. Calcium plays an irreplaceable role in maintaining normal pressure of eye crystals and chromium in maintaining eye diopter. In particular, it should be noted that 80% of chromium will be lost if rice and flour are processed too fine. Eating some coarse grain is beneficial to eyesight health., 4. Eat too many sweets: sweets are acidic foods. On the one hand, they consume a lot of calcium in the body. On the other hand, raising blood sugar and changing crystal osmotic pressure are another curse for the formation of myopia. It is better to supervise children to eat less., 5. Passive smoking: German experts found that tobacco contains a highly toxic cyanide, which accumulates in the human body to a certain extent and can cause toxic amblyopia. Children’s eyeballs are in the development stage and are more sensitive to the harmful substances in tobacco., 6. Lack of sleep: 10-13 years old is the peak of myopia. If children of this age do not get enough sleep, their sympathetic and parasympathetic functions will lose balance, resulting in disorder of the regulation function of the ciliary muscle. Therefore, it can protect their eyesight by ensuring that they get enough sleep for 9-11 hours every night., 7. Long time eye use: in the growth and development stage, long-time close reading or homework, computer use and TV watching occupy the main time. If you use your eyes improperly, especially insufficient lighting, too close reading distance, too long reading time, unclear or too small font, incorrect writing posture or sitting posture, your eyes will see close objects for a long time, The long-term contraction of ciliary muscle will produce adjustment fatigue. Finally, in order to adapt to the environment, the eyeball will grow longer through the eye axis, which will produce myopia, and the degree of myopia will gradually deepen.,
children’s growth and health can not be ignored. Now more and more parents are paying attention to their children’s health. Shilijia optometry center reminds parents that their children’s visual health can not be ignored. Here are the factors causing pupils’ myopia.
1. Disease: a considerable number of patients have suffered from measles, pertussis and other infectious diseases. Most of these children have eye enlargement. When the eye is in the expanded state, the diopter of the eye decreases and the vision decreases.
2. Noise: the research of relevant experts shows that when the sound intensity is above 90 dB, the sensitivity of rod cells in fundus retina to distinguish light brightness begins to decline, and the time to identify weak light response is prolonged. When it exceeds 45 dB, 40% of people have dilated pupils, and when it reaches 115 dB, the adaptability of eyes to light brightness decreases by 20%, At the same time, it is accompanied by the weakening of color perception.
3. Lack of mineral elements: medical research shows that mineral elements such as calcium and chromium are an important condition to ensure normal vision of children. Calcium plays an irreplaceable role in maintaining normal pressure of eye crystals and chromium in maintaining eye diopter. In particular, it should be noted that processing too fine rice and flour will lose 80% of chromium. Eating some coarse grain is beneficial to vision health.
4. Eating too many sweets: sweets are acidic foods. On the one hand, they consume a lot of calcium in the body. On the other hand, raising blood sugar and changing crystal osmotic pressure are another scourge leading to the formation of myopia. It is better to supervise children to eat less.
5. Passive smoking: German experts found that tobacco contains a highly toxic cyanide, which accumulates in the human body to a certain extent and can cause toxic amblyopia. The child’s eyeball is in the development stage and is more sensitive to the harmful substances in tobacco.
6. Lack of sleep: 10-13 years old is the peak of myopia. If children of this age do not get enough sleep, their sympathetic and parasympathetic functions will lose balance, resulting in the disorder of the regulation function of the ciliary muscle. Therefore, they can ensure that they get enough sleep for 9-11 hours every night, which can protect their eyesight.
7. Long time eye use: in the growth and development stage, long-time close reading or homework, computer and TV watching occupy the main time. If you use your eyes improperly, especially insufficient lighting, too close reading distance, too long reading time, unclear or small font, incorrect writing posture or sitting posture, your eyes will look at objects close for a long time, The long-term contraction of ciliary muscle will produce adjustment fatigue. Finally, in order to adapt to the environment, the eyeball will produce myopia by lengthening the eye axis, and the degree of myopia will gradually deepen.