Tỷ lệ cận thị và các yếu tố liên quan ở học sinh trung học cơ sở

Myopia is a common refractive error in school age students. Myopia not only affects the health of students but also reduces the efficiency of learning lessons. Objectives: To identify the prevalence of myopia and the factors related to myopia of junior high school students. Methods: A cross-sectional survey was conducted among 570 students at An Quang Huu junior high school, An Quang Huu Commune, Tra Cu District, Tra Vinh Province. Subjects were surveyed using prepared questionnaires and an eye screening using telemetry to assess myopia and the related factors. Results: The prevalence of myopia in students was 16.3%, in addition, up to 11.2% of students with myopia were newly discovered and did not wear glasses during their study process. The higher students with a family history of myopia, frequency of taking extra classes, time spent learning at home, frequency and time spent watching TV/CD/VCD, frequency and time spent reading stories/books/newspapers, frequency and time spent using computers/tablets/phones, the higher the rate of myopia, the higher prevalence of myopia. Conclusions: Students need to consciously protect their eyesight by recognizing behaviors and habits that harm the eyes.