Bourne, R., Steinmetz, J. D., Flaxman, S., Briant, P. S., Taylor, H. R., Resnikoff, S., Casson, R. J., Abdoli, A., Abu-Gharbieh, E., Afshin, A., Alam, T., Alipour, V., Aljunid, S. M., AlMahmoud, T., Almasi-Hashiani, A., Alouani, M. M. L., Arabloo, J., Ashrafi-Rizi, H., & Mehrjardi, H. Z. (2020). Trends in prevalence of blindness and distance and near vision impairment over 30 years: an analysis for the Global Burden of Disease Study. The Lancet Global Health, 9(2), e130-e143.
https://www.thelancet.com/journals/langlo/article/PIIS2214-109X(20)30425-3/fulltext