Articles Vol. 64 No. 2 15/03/2023

17. EFFECTIVENESS OF HEALTH EDUCATION INTERVENTION FOR MYOPIA PREVENTION IN SECONDARY SCHOOL STUDENTS IN HOANG MAI TOWN, NGHE AN PROVINCE (2019 - 2020)

Tran Tat Thang1,2, Thai Doan Thang3,4, Hoang Dinh Canh5,6
1 Nghe An Eye Hospital
2 Bệnh viện Mắt Nghệ An
3 TTH Hospital of Odonto Stomatology Nghe An
4 Bệnh viện Răng Hàm Mặt TTH Nghệ An
5 National Institute of Malaria - Parasitology - Entomology
6 Viện Sốt rét - Ký sinh trùng - Côn trùng Trung ương
Corresponding author: thangmatna@gmail.com
DOI: 10.52163/yhc.v64i2.619
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Keywords
Myopia, secondary school students, near vision, far vision.
Abstract

Objectives: Near vision without eye rest after 30 minutes is the leading cause of nearsightedness.
The study “Effectiveness of health education interventions for myopia prevention among secondary
school students in Hoang Mai town, Nghe An province” was conducted to determine the change in
knowledge and practice on myopia prevention before and after 12 month intervention.
Methods: The study was designed using a controlled intervention study method
Results: In terms of myopia detection before and after intervention: blurred vision: 99% vs. 91.8%, p
< 0.01; frequent eye blinking when looking at a distance: 85.9% vs. 56.4%, p < 0.01; examination once
a year without nearsightedness: 80% vs. 57.3%, p < 0.01; test every six months with nearsightedness:
91.4% with 61.3%, p < 0.01. Regarding the effects of myopia before and after intervention: Effects
on development: 93.8% vs. 82.6%, p < 0.01; Retinal detachment which causes blindness: 70.7% vs.
48.2%, p < 0.01; Wearing glasses: 87.6% vs. 81.1%, p < 0.05. After an intervention, the students had
good knowledge about myopia prevention, including wearing glasses: 43.8% vs. 25.9%, p < 0.01;
increased outdoor time: 96.9% vs. 85.1%, p < 0.01; 5 minute eye rest after 30 minutes of close look:
96.2% vs. 74.1%, p < 0.01; keeping eye-to-book distance ≥ 30 cm: 94.5% vs. 74.7%, p < 0.01. The
students also had good practices to prevent myopia, such as maintaining viewing distance ≥ 30cm:
55.2% with 43.9%, p<0.01; eye rest after every 30 minutes: 74.5% vs. 65.7%, p < 0.01
Conclusions: After 12 months of health education communication, there was a statistically significant
improvement in the knowledge and practices of the intervention group toward myopia prevention.

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