Table 1: Distant vision degrees of patients before and after LVA. LVA: Low vision aid.
| The best of distant VA | Before LVA (%) | After LVA (%) | Total |
| VA < 20/400 (VA > logMAR 1.3) | 65 (%14) | 9 (%1.9) | 74 |
| 20/200 ≥ VA ≥ 20/400 (logMAR 1.0 ≤ VA ≤ logMAR 1.3) | 221 (%47.6) | 23 (%5) | 244 |
| 20/100 ≥ VA > 20/200 (logMAR 0.7 ≤ VA < logMAR 1.0) | 103 (%22.2) | 43 (%9.3) | 146 |
| VA > 20/100 (logMAR < 0.7) | 75 (%16.2) | 389 (%83.8) | 464 |
| Total | 464 (%100) | 464 (%100) | 928 |
*chi-square test, p < 0.001; VA: Visual Acuity.