1. Global magnitude of visual impairment caused by uncorrected refractive errors in 2004;Resnikoff;Bull WHO,2008
2. Refractive error blindness;Dandona;Bull WHO,2001
3. Potential lost productivity resulting from the global burden of uncorrected refractive error;Smith;Bull WHO,2009
4. Refractive error in a sample of Black high school children in South Africa;Wajuihian;Optom Vis Sci,2017
5. Characteristics of refractive errors in a population of adults in the central region of Poland;Nowak;Int J Environ Res Public Health,2018