Eye Disorder

Report by WHO

Fact Sheet N°282 - Updated October 2013

  • 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 developing countries.
  • 82% of people living with blindness are aged 50 and above.
  • Globally, uncorrected refractive errors are the main cause of visual impairment; cataracts remain the leading cause of blindness in middle- and low-income countries.

Global Data of Visually Impairment for 2010

Estimates of prevalence
The prevalence of visual impairment and blindness were determined for the 6 WHO regions for three age groups: 0 to 14 years, 15 to 49 years and 50 years and older, non disaggregated by gender.

Ages (in year) Population (Millions) Blind(million) Low Vision  (million) Visually impaired (Million)
0-14 1,848.50 1.421 17.518 18.939
15-49 3548.2 5.784 74.463 80.248
50 and older 1,340.80 32.16 154.043 186.203
All ages 6,737.50 39.365 (0.58) 246.024 (3.65) 285.389 (4.24)