Age-adjusted and sex-adjusted prevalence of presenting (available correction) blindness and grade of VI: SVI, MVI and EVI. N is the estimated number of people 50 years and older with the condition
| Male | Female | Total | ||||
| N | % (95% CI) | N | % (95% CI) | N | % (95% CI) | |
| Blindness | 1159 | 1.29 (0.68 to 2.53) | 1767 | 1.88 (1.18, 3.10) | 2929 | 1.59 (1.08 to 2.38) |
| SVI | 581 | 0.64 (0.26 to 1.76) | 828 | 0.88 (0.43 to 1.90) | 1411 | 0.77 (0.43 to 1.40) |
| MVI | 3715 | 4.12 (2.81 to 5.99) | 4183 | 4.46 (3.25 to 6.12) | 7812 | 4.25 (3.32 to 5.42) |
| EVI | 4397 | 4.88 (3.48 to 6.83) | 7271 | 7.75 (6.06 to 9.86) | 11 787 | 6.41 (5.25 to 7.81) |
EVI, early VI; MVI, moderate VI; SVI, severe VI; VI, visual impairment.