Inventory of three major causes of myopia in children
With the continuous improvement of social progress, the incidence of myopia continues to increase, and myopia has become one of the highest incidence of eye diseases in the world today.
According to data, it is expected that there will be more than 5 million blind people, more than 6 million people with low vision, and 10 million children with strabismus.
The average myopia rate of adolescents reaches 40%, and the myopia rate of college students far exceeds 70%.
At present, the number of people wearing glasses in China has exceeded 3 billion. China’s myopia patients account for 33% of the world, which is 10% higher than the world average.
In view of the causes of myopia in today’s Chinese youth, experts believe that genetic factors, nutrient quality factors and environmental factors are the three major causes of myopia, and environmental factors among them are the main reasons leading to the increased incidence of myopia in China.
Adolescents are in a period of vigorous growth and development. The physiological functions and tissue structure of the eye are different from those of other periods. They have strong regulatory power, are inserted into the ball wall, and are susceptible to adverse environmental effects and form myopia.
Watching TV for a long time, playing computer games, incorrect reading, writing homework postures, etc., are all unhealthy environments that cause youth myopia at this stage.
Among them, watching TV is one of the important reasons for myopia in children.
Watching TV for too long will cause eye fatigue, and excessive eye use is an important factor in increasing the incidence of myopia in adolescents.
According to statistics from the United States in 1988, children can continuously watch color TV for more than an hour, and their vision can be reduced by 30%.
Therefore, prevention of myopia in adolescents should start from each family.
Parents have an important responsibility for supervision in the family environment.
Experts suggest that the family eye protection program can start from the following: First, change the game mode: Modern urban children’s games are mostly based on indoor self-entertainment, such as televisions, personal toys, game consoles, computers, etc. Therefore, parents shouldEncourage children to change the way they play and do more multi-level activities.
Second, pay attention to eye hygiene: educate young people to pay attention to eye hygiene, pay attention to the distance between eyes and books when reading, posture should be correct, can not lie down or read while walking; pay attention to the reading light should be sufficient, reading and writing for 40 minutesYou should rest and see far away, and you cannot indulge in game consoles and televisions too much.
Third, pay attention to eye health: Persist in eye exercises every day, phakic (temporary fast alternate look far and near); self-acupoint massage (eyes bright, bamboo, fish waist, silk bamboo empty, bearing cry, four white, etc.); fogTherapy (Dai + 1.
50D glasses are farsighted).
Fourth, vision loss should promptly go to the hospital for examination and treatment.
In addition, we should also pay attention to dietary habits and nutritional matching to avoid the lack of chromium, calcium and other trace elements.
What keeps the experts in mind is that after all, it is very difficult for young people to get rid of TV and computers. From a social perspective, he suggests that parents should choose TVs and computers that can help protect the eyes of young people.Come.
Will minimize eye damage to teenagers.
Experts mentioned that if children’s eyes are to be protected, the television must meet the following conditions: 1. The brightness must reach a brightness suitable for eye viewing, that is, at a color temperature of 5500-6500, and the average brightness is 100-200 (cdm2), not too dark.It should not be too bright. This range is conducive to children’s eye development.
2, the color must be pure, the number of colors of the three primary color combinations is consistent with the natural color, to protect children’s eyes as the pigment correctly recognize the color.
3, dynamic watching TV picture can not appear smearing, dynamic response should be consistent with the eye’s afterimage period, to ensure that the eyes focus well, to prevent fatigue.