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Lead Cause of Global Blindness

Key facts:

  • About 314 million people are visually impaired worldwide, 45 million of them are blind.
  • Most people with visual impairment are older, and females are more at risk at every age, in every part of the world.
  • About 87% of the world's visually impaired live in developing countries.
  • The number of people blinded by infectious diseases has been greatly reduced, but age-related impairment is increasing.
  • Cataract remains the leading cause of blindness globally, except in the most developed countries.
  • Correction of refractive errors could give normal vision to more than 12 million children (ages five to 15).
  • About 85% of all visual impairment is avoidable globally.



    • Visit WHO for more details