Global magnitude of visual impairment caused by uncorrected refractive errors in 2004
Serge Resnikoff, Donatella Pascolini, Silvio P Mariotti, Gopal P Pokharel
Volume 86, Number 1, January 2008, 63-70
Table 5. Global estimate of number of people visually impaired, 2004
| Category of impairment | Number of people visually impaired (in millions) |
||
|---|---|---|---|
| from uncorrected refractive errors | from all other causes, 2002 estimatea | from all causes | |
| Blind | 8.226 | 36.857 | 45.083 |
| Low vision | 144.972 | 124.264 | 269.236 |
a These estimates were based on best-corrected visual acuity and the population in 2002: the global population change from 2002 to 2004 is estimated to be around 3%.