Introduction In 2020, at least 2·2 billion people were affected by blindness and vision impairment globally: 91·75{a5ceed037b574a4d8c6b44a0a7290437cee40655417128da3b56d864fe64414f} of these individuals had moderate or severe vision impairment, 87·68{a5ceed037b574a4d8c6b44a0a7290437cee40655417128da3b56d864fe64414f} of whom lived in low-income and middle-income countries (LMICs). 1 Burton MJ Ramke J Marques AP et al. The Lancet Global Health commission […]