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