title: Challenge of world blindness.
authors.forename: A S
authors.initials: AS
authors.lastname: Lim
mesh_terms: D001766:Blindness / Q000453:epidemiology / Q000209:etiology*; D002386:Cataract / Q000150:complications* / Q000453:epidemiology; D002387:Cataract Extraction / Q000639:trends; D003906:Developing Countries; D004059:Diffusion of Innovation; D005544:Forecasting; D006801:Humans; D007910:Lenses, Intraocular / Q000639:trends