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
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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.
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Tracking 2030 In Sight Progress (2025 Report)
Progress against the 2030 In Sight Strategy — 2025 update.
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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.
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Free reading glasses boost productivity among Indian garment workers
A $10 pair of glasses delivers a 337% return on investment among presbyopic garment workers in India, a randomized trial finds.
Global eye care workforce 2023 estimates released
Ophthalmologist density ranged from 76 per million in high-income countries to 4 per million in low-income countries; seven sub-Saharan African countries reported fewer than one per million.
Glaucoma burden in Europe projected to exceed 13 million by 2050
An estimated 12.3 million people in Europe have glaucoma — over half undiagnosed — with cases projected to exceed 13.5 million 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.
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