Taqi Al-Saffar, Ali A. “The Prevalence of Diabetic Optic Neuropathy in Type 2 Diabetes Mellitus”. Zanco Journal of Medical Sciences (Zanco J Med Sci) 21, no. 3 (December 1, 2017): 1915–1921. Accessed June 25, 2022. https://zjms.hmu.edu.krd/index.php/zjms/article/view/72.