Muhammad Usman Arshad, Sohail Zia, Aunaza Maqbool, Rabia Sharif Bhatti, Zamir Iqbal, Yasir Iqbal, “Frequency of Hyperopia in Children between 5 to 15 Years of Age”, Pakistan Journal of Medical & Health Sciences, vol. 16, no. 04, p. 158, Apr. 2022.