1. Ophthalmology Department, Clinique du Levant, Beirut, Lebanon Ophthalmology Department, Notre Dame du Liban Hospital, Jounie, Lebanon
2. Ophthalmology Department, Notre Dame du Liban Hospital, Jounie, Lebanon
3. Ophthalmology Department, Clinique du Levant, Beirut, Lebanon
4. Ophthalmology Department, Clinique du Levant, Beirut, Lebanon Beirut Eye & ENT Specialist Hospital, Beirut, Lebanon