Kainat Saleem, Parus Saleem, Arif Rabbani. (2018). Prevalence of Refractive Error in Government Primary School Children of Shaheed Benazirabad . Journal of Peoples University of Medical &Amp; Health Sciences Nawabshah. (JPUMHS), 8(3), 162–167. Retrieved from http://publication.pumhs.edu.pk/index.php/ojs/article/view/318