Moravej, R., Mirzajani, A., & Sahihalnasab, S. (2017). Investigating the Causes of Visual Impairment and Legal Blindness among Patients Coming to a Referral Hospital in Tehran, Iran. Journal of Ophthalmic and Optometric Sciences, 1(2), 29–34. https://doi.org/10.22037/joos.v1i2.18488