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
The economic burden of blindness and vision impairment in Slovenia
Vision loss cost Slovenia €5.54 million in direct healthcare expenditure in 2022, with further costs from sickness absence.
The burden of undiagnosed age-related eye diseases among older adults in Singapore
More than one-third of older Singaporeans had at least one undiagnosed age-related eye disease.
Bhutan’s nationwide school survey reveals burden of refractive error among children
Refractive error accounted for 96.1% of visual impairment among school-aged children in Bhutan.
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
