Assist prof.Dr. Ali Abid Saadoon 2022. Refractive errors in Thiqar secondary schooling graduate ?students: prevalence and determinants at 2016?. University of Thi-Qar Journal. 16, 3 (Jan. 2022), 44–67. DOI:https://doi.org/10.32792/utj.v16i3.278.