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 2. Number of people visually impaired from uncorrected refractive errors and corresponding prevalence, by age group and WHO subregion or country, 2004
| WHO subregiona or country | Age 5–15 years |
Age 16–39 years |
Age 40–49 years |
Age |
Total (5 to |
||
|---|---|---|---|---|---|---|---|
| No. in millions (prevalence %) | No. in millions (prevalence %) | No. in millions (prevalence %) | No. in millions (prevalence %) | Populationin millions | No. in millions (prevalence %) | ||
| Afr-D, Afr-E | 0.534 (0.24) | 0.683 (0.24) | 0.647 (1.13) | 4.529 (5.94) | 640.4 | 6.393 (1.00) | |
| Amr-A | 0.501 (1.00) | 1.098 (1.00) | 0.810 (1.60) | 3.417 (3.60) | 305.4 | 5.826 (1.91) | |
| Amr-B | 0.709 (0.70) | 1.331 (0.70) | 0.998 (1.81) | 3.204 (4.07) | 432.4 | 6.242 (1.44) | |
| Amr-D | 0.137 (0.70) | 0.209 (0.70) | 0.127 (1.81) | 0.486 (4.86) | 66.4 | 0.959 (1.44) | |
| Emr-B, Emr-D | 0.405 (0.55) | 0.688 (0.55) | 0.356 (1.20) | 1.708 (4.76) | 264.3 | 3.157 (1.19) | |
| Eur-A | 0.516 (1.00) | 1.379 (1.00) | 0.991 (1.60) | 5.289 (3.60) | 398.3 | 8.175 (2.05) | |
| Eur-B1, Eur-B2, Eur-C | 0.721 (1.00) | 1.740 (1.00) | 1.065 (1.60) | 3.335 (2.80) | 431.7 | 6.861 (1.59) | |
| Sear-B, Wpr-B1,Wpr-B2, Wpr-B3(China excluded) | 1.098 (0.79) | 1.806 (0.74) | 1.244 (1.70) | 4.511 (4.67) | 554.0 | 8.659 (1.56) | |
| Sear-D(India excluded) | 0.606 (0.63) | 0.986 (0.73) | 0.909 (2.39) | 9.295 (19.45) | 317.5 | 11.796 (3.71) | |
| Wpr-A | 0.034 (0.20) | 0.097 (0.20) | 0.039 (0.20) | 1.177 (1.99) | 144.4 | 1.347 (0.93) | |
| China | 5.940 (2.66) | 14.414 (2.66) | 7.209 (3.95) | 26.903 (9.61) | 1229.0 | 54.466 (4.43) | |
| India | 1.610 (0.63) | 2.695 (0.63) | 4.042 (3.39) | 30.970 (18.70) | 966.9 | 39.317 (4.07) | |
a See Table 1, footnote a.