Al-Wadani, Fahd Abdullah2022-05-182022-05-182005473https://drepo.sdl.edu.sa/handle/20.500.14154/3807All my thanks, first before and above all, to the Great Almighty ALLAH, the most merciful for the countless blessing he bestowed upon me and for giving me guidance and strength to complete this study. I would express my sincere gratitude to all those who helped, supported and advised me during this study. My great appreciation and thanks go to my supervisor Dr. Jerman M. Al-Qahtani, Assistant Professor and Chairman of Ophthalmology Department, King Faisal University for his continuous endless suenThesis