Gender

Uncover the persistent gender gap in eye health, with women bearing a disproportionate burden of sight loss. Best viewed on desktop — scroll slowly to explore the full data story.

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Bourne R, et al. (2021). Trends in prevalence of blindness and distance and near vision impairment over 30 years: an analysis for the Global Burden of Disease Study. The Lancet global health, 9(2), e130-e143.

Burton M, et al. Lancet Global Health Commission on Global Eye Health: Vision Beyond 2020. The Lancet Global Health (2021).

Bourne R, et al. Effective refractive error coverage in adults aged 50 years and older: estimates from population-based surveys in 61 countries. Lancet Glob Health. 2022;10(12):e1754–63.

UN Women. (2023, September). Policy brief: Closing the gender and inclusion gap in eye health.

Danquah L, et al. The long term impact of cataract surgery on quality of life, activities and poverty: results from a six year longitudinal study in Bangladesh and the Philippines. PLoS One 2014; 9(4): e94140.

Kuper H, et al. Does cataract surgery alleviate poverty? Evidence from a multi-centre intervention study conducted in Kenya, the Philippines and Bangladesh. PLoS One 2010; 5(11): e15431.

Md. Saroar Rahman Prodhan

Luca Catalano Gonzaga, South Sudan

Graham Coates, Sierra Leone

Nick Burn, Bwamanda Hospital DRC

Louis Leeson (Orbis International), Cameroon

Joy Saha, Dhaka

Arpan Chowdhury, India

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Tracking 2030 In Sight Progress (2025 Report)
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Tracking 2030 In Sight Progress (2025 Report)

Progress against the 2030 In Sight Strategy — 2025 update.
Effective coverage of refractive error care
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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.
Magnitude of sight loss
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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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Modelling Cataract Mortality in Kenya: A New Tool for Eye Health Planning    

Simulation model estimates that 77% of individuals on Kenya’s cataract backlog in 2025 will die before receiving surgery at current surgical capacity, with the model designed to be adaptable for use in other countries.
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Ayesha Siddiqui

Effective Cataract Surgical Coverage trends highlight gaps in cataract services towards 2030 targets   

Global eCSC stands at just 48.2% in 2025, with progress too slow to meet the 2030 target.
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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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Two young boys wearing decorated heart-shaped glasses laughing and hugging during an eye health event.