TY  - JOUR
AU  - Paudel, P
AU  - Ramson, P
AU  - Naduvilath, T
AU  - Wilson, D
AU  - Ha, TP
AU  - Ho, SM
AU  - Giap, NV
Y2  - 2020/12/21
Y1  - 2014/04/01
SN  - 1442-6404
UR  - http://hdl.handle.net/11343/257352
AB  - BACKGROUND: To assess the prevalence of vision impairment and refractive error in school children 12-15 years of age in Ba Ria - Vung Tau province, Vietnam. DESIGN: Prospective, cross-sectional study. PARTICIPANTS: 2238 secondary school children. METHODS: Subjects were selected based on stratified multistage cluster sampling of 13 secondary schools from urban, rural and semi-urban areas. The examination included visual acuity measurements, ocular motility evaluation, cycloplegic autorefraction, and examination of the external eye, anterior segment, media and fundus. MAIN OUTCOME MEASURES: Visual acuity and principal cause of vision impairment. RESULTS: The prevalence of uncorrected and presenting visual acuity ≤6/12 in the better eye were 19.4% (95% confidence interval, 12.5-26.3) and 12.2% (95% confidence interval, 8.8-15.6), respectively. Refractive error was the cause of vision impairment in 92.7%, amblyopia in 2.2%, cataract in 0.7%, retinal disorders in 0.4%, other causes in 1.5% and unexplained causes in the remaining 2.6%. The prevalence of vision impairment due to myopia in either eye (-0.50 diopter or greater) was 20.4% (95% confidence interval, 12.8-28.0), hyperopia (≥2.00 D) was 0.4% (95% confidence interval, 0.0-0.7) and emmetropia with astigmatism (≥0.75 D) was 0.7% (95% confidence interval, 0.2-1.2). Vision impairment due to myopia was associated with higher school grade and increased time spent reading and working on a computer. CONCLUSIONS: Uncorrected refractive error, particularly myopia, among secondary school children in Vietnam is a major public health problem. School-based eye health initiative such as refractive error screening is warranted to reduce vision impairment.
LA  - English
PB  - WILEY-BLACKWELL
T1  - Prevalence of vision impairment and refractive error in school children in Ba Ria - Vung Tau province, Vietnam
DO  - 10.1111/ceo.12273
IS  - Clinical and Experimental Ophthalmology
VL  - 42
IS  - 3
SP  - 217-226
L1  - /bitstream/handle/11343/257352/PMC4291105.pdf?sequence=1&isAllowed=y
ER  -