Al-Rashidi, S. H.; Albahouth, A. A.; Althwini, W. A.; Alsohibani, A. A.; Alnughaymishi, A. A.; Alsaeed, A. A.; Al-Rashidi, F. H.; Almatrafi, S. Prevalence Refractive Errors Among Medical Students of Qassim University, Saudi Arabia: Cross-Sectional Descriptive Study. Open Access Maced J Med Sci 2018, 6, 940-943.