Effectiveness of intervention measures for prevention of myopia among primary and secondary school pupils in Tuyen Quang province in 2017

Abstract

This study was performed on pupils at 18 primary and secondary schools to evaluate the knowledge and practice in preventing myopia among pupils after intervention. Regarding knowledge, the percentage of pupils who correctly answer the concept of myopia increases from 80.5% to 98.4%. Prior to intervention, the percentage of pupils who correctly identifed the causes of myopia ranged from 13.4% to 67.0%, but after intervention, the proportion increased from 68.6% to 98.3%. % (p<0.05). Before intervention, 56.2% of pupils said that myopia was a disease, 63.5% thought that it affected health. After intervention, these rates were 97.7% and 96.6%, respectively (p<0.05). Prior to intervention, when asked about the methods
to prevent myopia, 67.3% of the pupils chose “not reading books too close”, 64.6% chose “sufcient light for studying”, 64.8% chose “not using computer over 2 hours per day”. After intervention, these rates increased by 97.0%, 97.0%, 97.5%, respectively (p<0.05). Regarding practice, before intervention, 33.5% of pupils regularly watched TV 2 hours per day, 19.2% used computers over 2 hours per day. After intervention, these rates were reduced to 12.7% and 10.0%, respectively (p<0.05). Prior to intervention, 59.4% of pupils had a study corner near the window. After intervention, this rate increased to 70.8% (p<0.05). Thus, the intervention has been shown to be effective in improving the knowledge and practice of prevention in pupils