1. Professor of Ophthalmology, Faculty of Medicine, Tanta University, Tanta, Egypt
2. Medical Director, Magrabi Eye Hospital, Tanta, Egypt
3. Associate Professor of Ophthalmology, Retina Department, Research Institute of Ophthalmology, Giza, Egypt
4. Ophthalmology Specialist, Magrabi Eye Hospital, Tanta, Egypt
5. Assistant Professor of Ophthalmology, Faculty of Medicine, Benha University, Benha, Egypt
6. Ophthalmology Consultant, Damanhour Teaching Hospital, Damanhour, Egypt
7. Ophthalmology Consultant, Magrabi Eye Hospital, Tanta, Egypt