Prevalence of VI and blindness among people with and without diabetes
| Persons with diabetes | Persons without diabetes | |||
| n | % (95% CI) | n | % (95% CI) | |
| Normal vision | 494 | 70.0 (65.2 to 74.7) | 1719 | 68.3 (65.7 to 71.0) |
| Early VI | 114 | 16.1 (12.9 to 19.4) | 365 | 14.5 (12.9 to 16.1) |
| Moderate VI | 84 | 11.9 (9.2 to 14.6) | 356 | 14.2 (12.2 to 16.1) |
| Severe VI | 8 | 1.1 (0.1 to 2.1) | 35 | 1.4 (1.0 to 1.8) |
| Blindness | 3 | 0.4 (0.0 to 0.9) | 24 | 1.0 (0.5 to 1.4) |
VI, visual impairment.