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
Better Education In Sight
Uncorrected refractive error costs children worldwide 6.3 million years of schooling and $173 billion in future earnings every year.
Interactive data story
The Value of Vision
Investing $7 billion in eye health across low- and middle-income countries could return $199 billion in economic benefits — making it one of the best buys in global health.
Interactive data story
Tracking 2030 In Sight Progress (2025 Report)
Progress against the 2030 In Sight Strategy — 2025 update.
Featured news
AI-assisted diabetic retinopathy screening shows potential economic value
A meta-analysis shows AI-assisted screening for diabetic retinopathy to be cost-effective.
RAAB study reveals gaps in cataract care and eye service data in rural northern India
Unoperated cataract accounted for 77% of blindness and 60% of moderate-to-severe visual impairment.
South Korea’s national survey highlights diagnostic discrepancies in glaucoma
About four in five adults with glaucoma in South Korea were undiagnosed.
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
