Affiliation: | 1. Department of Ophthalmology, Rio Hortega University Hospital, Valladolid, Spain;2. Oculoplastics and Orbit Division, King Khaled Eye Specialist Hospital, Riyadh, Saudi Arabia;3. Diagnostic Imaging Department, King Khaled Eye Specialist Hospital, Riyadh, Saudi Arabia;4. Diagnostic Imaging Department, Mansoura Faculty Of Medicine, Egypt;5. Oculoplastics and Orbit Division, King Khaled Eye Specialist Hospital, Riyadh, Saudi Arabia |