, A. P. D. M. H. A., & Associate Professor Dr. Gholam Farooq. (2020). Prevalence of Refractive Errors in School Children Aged 11-15 Years in Jalalabad city of Nangarhar Province, Afghanistan – a cross-sectional Study. IJRDO -JOURNAL OF HEALTH SCIENCES AND NURSING, 5(1), 09-19. https://doi.org/10.53555/hsn.v5i1.3412