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 Jaimie D Steinmetz , Rupert Bourne , Paul Svitil Briant +97 more 2020 The Lancet Global Health 2687 citations