The percentage of myopia has on the rise, especially the school students during the quarantine time in Vietnam since 2020. According to statistics in 2016 in urban Hanoi and Ho Chi Minh, more than 40% school students had refractive error such as myopia, farsightedness and astigmatism, myopia was the most popular, which estimated 2/3 cases.
The recent reports of hanoi 2 eyes hospital showed that the percentage of schools students, students had myopia (>=50%), exceptional case was 70%. To explain this, studying, working and reading habits in condition of lighting limitation, gaming, television watching, inappropriate using computer….were main cause of increasing refractive error rate. Wearing glasses was “a friend” and popular in urban.