Authors: Khaled Amer; Andreas Müller; Hussein Mohamed Abdelhafiz; Tawfik Al-Khatib; Ana Bakhtiari; Sophie Boisson; Gamal Ezz El Arab; Hema Gad; Bruce A Gordon; Ahmad Madian; Ahmed Tarek Mahanna; Samir Mokhtar; Omar H Safa; Mohamed Samy; Mohammad Shalaby; Ziad Atta Taha; Rebecca Willis; Ashraf Yacoub; Abdul Rahman Mamdouh; Ahmed Kamal Younis; Mohamed Bahaa Eldin Zoheir; Paul Courtright; Anthony W Solomon Journal: Ophthalmic Epidemiol Date: 2018-12 Impact factor: 1.648