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