A study by the Chinese University found that under the epidemic, the visual problems of Hong Kong schoolchildren have worsened. Among them, nearly half of primary six students have myopia problems, and 66% of secondary three students have myopia.
Ren Zhuosheng, an associate professor of the Department of Ophthalmology and Visual Science, Faculty of Medicine, CUHK, pointed out today (20th) that during the epidemic, schoolchildren used electronic devices to attend classes and read more, which aggravated the situation. He believed that schoolchildren should spend at least two hours a day or 14 hours a week participating in outdoor activities. Exposure to moderate sunlight can help prevent and slow down the progression of myopia.
In June 2021, the Chinese University conducted a questionnaire interview with 17,000 primary three, primary six and secondary three students and their parents from 211 primary and secondary schools. There are 66% of them, and some of them do not wear glasses.
About half of the parents surveyed said their schoolchildren's eyesight had deteriorated during the pandemic.
Children's myopia increases from 41 degrees to 80 degrees every year
In addition, a survey conducted by the Faculty of Medicine of CUHK last year also found that after the epidemic, the estimated annual incidence rate of children increased from 12% to 30%; the estimated rate of myopia progression increased from 41 degrees per year to 80 degrees per year.
Ren Zhuosheng, an associate professor of the Department of Ophthalmology and Visual Science, Faculty of Medicine, CUHK, said that Hong Kong is one of the cities with the highest prevalence of myopia in the world. During the epidemic, students used electronic devices to attend classes and read more, which aggravated the situation. He called on schools and parents to pay attention to the eye health of students. He It is believed that school children should spend at least two hours a day, or 14 hours a week to participate in outdoor activities. Exposure to moderate sunlight can help prevent and slow down the progression of myopia.
Hou Jietai, a professor of the Department of Educational Psychology at CUHK, said that even if some schools resume classes, they still restrict the gathering of students.
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Parents should know how to control myopia!
