M. Yadgari, M. Dargahi, A. Ali Rezaee, F. Alesmail, A. R. Haghi, and A. Astaraki, “Evaluation of Optic Nerve Head Examination in a Resident Based Hospital”, J Ophthalmol Opto Sci ., vol. 2, no. 1, pp. 22–25, Jan. 2018.