Table 4.
Visual acuity among study participants
| Visual acuity | Total sample (N = 231)a (%) | Omitting those who had glasses but did not bring them to appointment (N = 177)a (%) |
|---|---|---|
| Better eye acuity score | ||
| 20/20 | 96 (41.6) | 88 (49.7) |
| 20/30 | 90 (39.0) | 73 (41.2) |
| 20/40 | 29 (12.6) | 10 (5.7) |
| 20/50 | 13 (5.6) | 5 (2.8) |
| 20/70 | 3 (1.3) | 1 (0.6) |
| Worse eye acuity score | ||
| 20/20 | 56 (24.2) | 52 (29.4) |
| 20/30 | 92 (39.8) | 81 (45.8) |
| 20/40 | 38 (16.5) | 26 (14.7) |
| 20/50 | 26 (11.3) | 10 (5.7) |
| 20/70 | 11 (4.8) | 5 (2.8) |
| 20/100 | 8 (3.5) | 3 (1.7) |
aFive participants were unable to perform visual acuity test