There are many resources available which provide estimates on blindness. We are pleased to provide links to statistical resources which might address frequently asked questions about blindness. We present here the key facts provided by the World Health Organization:
Key blindness facts (according to the World Health Organization)
- 285 million people are estimated to be visually impaired worldwide: 39 million are blind and 246 have low vision.
- About 90% of the world’s visually impaired live in low-income settings.
- 82% of people living with blindness are aged 50 and above.
- Globally, uncorrected refractive errors are the main cause of moderate and severe visual impairment; cataracts remain the leading cause of blindness in middle- and low-income countries.
- The number of people visually impaired from infectious diseases has reduced in the last 20 years according to global estimates work.
- 80% of all visual impairment can be prevented or cured