1. Noor Research Center for Ophthalmic Epidemiology, Noor Eye Hospital, Tehran, Iran
2. Rehabilitation Research Center, Department of Optometry, School of Rehabilitation Sciences, Iran University of Medical Sciences, Tehran, Iran
3. Department of Optometry, Mashhad University of Medical Sciences, Mashhad, Iran
4. Eye Research Center, Tehran University of Medical Sciences, Tehran, Iran
5. Department of Medical Surgical Nursing, School of Nursing and Midwifery, Shahid Beheshti University of Medical Sciences, Tehran, Iran