1. Vitreoretinal Division King Khaled Eye Specialist Hospital Riyadh Saudi Arabia
2. King Khalid University Hospital Riyadh Saudi Arabia
3. Research Department King Khaled Eye Specialist Hospital Riyadh Saudi Arabia
4. Ophthalmology Department Prince Mohammed Medical City AlJouf Saudi Arabia
5. Department of Ophthalmology Clinical Sciences Skane University Hospital Lund University Lund Sweden