Abstract: young students face the heavy pressure of their studies, and their body and mind have been in a state of high tension, which has a great impact on their eyesight. In addition, not paying attention to their learning habits for a long time has seriously affected their strength, leaving their eyes in an irreparable fatigue, resulting in the decline of strength.
myopia has become a “national disease” in China. The white paper “national visual health” released this year shows that one in three people over the age of 5 in China is myopia. It is estimated that the incidence rate of myopia in China over the age of 5 will increase to 50.86% to 51.36% by 2020.
it is worth noting that the prevalence of myopia in China shows a trend of younger age. Among children and adolescents, the prevalence of myopia increases rapidly with age. The average myopia rate from 6 to 15 years old reaches 46.64%, which is more serious in economically developed areas. The early and high incidence of myopia is closely related to the aggravation of students’ eye burden. The two stages of “small rise and early rise” and “early rise” are the stages of rapid rise in the prevalence of ametropia.
in addition, bad eye habits and eye environment have a great impact on the incidence of myopia. Short distance eye load can induce myopia; The increase of learning pressure, the popularization of electronic screens and the reduction of outdoor activities may be the most key factors leading to the high incidence and rapid aging of myopia.
the current situation of myopia among Chinese teenagers shows three characteristics:
first, the incidence of myopia is different among students of different age groups. The older the age, the higher the incidence of myopia. From the test results, the incidence of myopia in the age groups of 7 to 9 years old, 10 to 12 years old, 13 to 15 years old and 16 to 19 years old were 52.8%, 80.0%, 88.4% and 90.5% respectively.
2. The incidence of myopia is different in students of different genders. The incidence of myopia in girls is higher than that in boys. Last year, the incidence of myopia was 71.9% for boys and 75.6% for girls; The incidence of myopia was 58.8% in boys and 65.1% in girls.
III. The age of myopia in students is earlier and the trend of younger age is obvious. In the past five years, the myopia rate of primary school students has increased significantly. The incidence of myopia in the 7-9 age group, that is, the lower grade of primary school, has increased from 16.3% in 2010 to 52.8%. More and more young children are nearsighted.
physical exercise can protect eyesight.
young students face the heavy pressure of their studies, and their body and mind have been in a state of high tension, which has a great impact on their eyesight. In addition, not paying attention to their learning habits for a long time has seriously affected their strength, leaving their eyes in an irreparable fatigue, resulting in the decline of strength.
don’t underestimate the impact of sports on sleep. Because of the long-term academic pressure on young students, they basically have a serious lack of sleep. Moreover, in the case of insufficient sleep, there will be a lack of quality of insomnia in many children, which will have a great impact on vision. After sports, children’s sleep quality will be improved, which not only protects their eyesight, but also makes them energetic in the next day’s study.
playing badminton can effectively reduce the myopia rate
when badminton flies at high speed, people’s ciliary muscles contract, the lens suspensory ligament in the eyeball is loose, the lens becomes larger by its own elastic curvature, the refractive index increases, and the direction of the ball can be seen clearly.
when badminton flies at high speed, people’s ciliary muscles contract. When the return ball is far away, it is just the opposite. The ciliary muscle is relaxed, the suspensory ligament connecting the lens is tense, and the lens becomes flat to ensure that you can see the badminton in the distance.
in the continuous hitting and returning of the ball, the key parts of the child’s eye, such as ciliary muscle, lens and suspensory ligament, are trained. It has a certain auxiliary effect on curbing the development momentum of amblyopia and myopia, and even on the treatment of internal vision (eye to eye).