According to data from the National Health Commission, in 2022, the overall myopia rate among children and adolescents in China was 51.9%, and the myopia rate among 6-year-old children was 12.7%, a decrease of 1.7 and 1.8 percentage points respectively compared to 2018. Although there is a positive improvement trend, the overall myopia rate of over 50% cannot be ignored. This notice also proposes for the first time to ensure that children have no less than 2 hours of outdoor activity time every day. Explicitly require 'moving forward the prevention and control checkpoint, and firmly grasping the key stages of myopia prevention and control in kindergartens and primary schools'. Why move the prevention and control checkpoint forward? Let's learn about the causes of myopia in children and adolescents. This includes both innate genetic factors and significant environmental influences.
Congenital factors often stem from one or both parents being myopic, and this genetic factor may to some extent affect a child's visual development.
Environmental factors mainly include close eye contact, poor reading and writing habits, insufficient outdoor activities, excessive and unscientific use of electronic products, insufficient sleep time, and imbalanced nutrition.
