Effective cataract surgical coverage
A simple cataract surgery can restore sight and transform lives for millions, yet this procedure remains out of reach for far too many. Best viewed on desktop – scroll slowly to explore the full data story.
McCormick I, et al. Effective cataract surgical coverage in adults aged 50 years and older: empirical estimates from population-based surveys in 68 countries and modelled estimates for 2000–30. Lancet Glob Health. 2026.
Sergio Carmona Silvia Tabladai, Abir Abdullah, Ramesh V Ramesh. Darren James
Explore topics
Interactive data story
Tracking 2030 In Sight Progress (2025 Report)
Progress against the 2030 In Sight Strategy — 2025 update.
Interactive data story
Effective coverage of refractive error care
A simple pair of spectacles can transform lives for hundreds of millions — yet glasses remain out of reach for far too many.
Interactive data story
Magnitude of sight loss
Discover how sight loss affects over a billion people worldwide—and why the number is still rising.
Featured news
Rising myopia burden in Japanese children calls for early public health action
A nationwide Japanese study finds 36.8% of children aged ≤14 have myopia, with high myopia and new cases rising annually.
Global myopia prevalence: trends, projections and the need for action
A large-scale systematic review and meta-analysis drawing on data from over five million children and adolescents across 50 countries documents a steady rise in global myopia prevalence, with projections suggesting a rapid increase by 2050.
View sight loss data by countries
Explore and understand how sight loss affects different parts of the world and the impact that it has.
View by country