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. Best viewed on desktop — scroll slowly to explore the full data story.
Bourne R, et al. Effective refractive error coverage in adults: a systematic review and meta-analysis of updated estimates from population-based surveys in 76 countries modelling the path towards the 2030 global target. Lancet Glob Health. 2025.
World Health Organization, Eyeglasses coverage for distance refractive error, 2025.
Ata Adnan, Karen Hernández
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Tracking 2030 In Sight Progress (2025 Report)
Progress against the 2030 In Sight Strategy — 2025 update.
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Magnitude of sight loss
Discover how sight loss affects over a billion people worldwide—and why the number is still rising.
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Causes of sight loss
The leading causes of sight loss are simple to treat—discover the conditions driving the global burden of sight loss.
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Explore and understand how sight loss affects different parts of the world and the impact that it has.
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