Causes of blindness and vision impairment in 2020 and trends over 30 years, and prevalence of avoidable blindness in relation to VISION 2020: the Right to Sight: an analysis for the Global Burden of Disease Study - Steinmetz, Jaimie D.; Bourne, Rupert R. A.; Briant, Paul Svitil; Flaxman, Seth R.; Taylor, Hugh R. B.; Jonas, Jost B.; Abdoli, Amir Aberhe; Abrha, Woldu Aberhe; Abualhasan, Ahmed; Furtado, João Marcello Fortes (The Lancet Global Health, 2021)