Change in NEI-VFQ 25 subscale scores baseline to M12 in all participants
| Change in NEI-VFQ 25 subscales | N | Baseline | Month 12 | Difference | 95% CI | Significance |
| General health | 99 | 51.0 | 49.2 | 1.8 | −2.7 to 6.2 | 0.434 |
| General vision | 99 | 42.2 | 47.9 | 5.7 | 1.6 to 9.7 | 0.007 |
| Ocular pain | 100 | 79.1 | 84.3 | 5.1 | 0.9 to 9.3 | 0.017 |
| Near activities | 100 | 56.8 | 62.2 | 5.5 | 1.2 to 9.7 | 0.013 |
| Distance activities | 100 | 66.9 | 73.4 | 6.5 | 2.2 to 10.8 | 0.003 |
| Colour vision | 99 | 87.9 | 87.1 | 0.8 | −3.1 to 4.7 | 0.693 |
| Peripheral vision | 71 | 78.0 | 80.8 | −2.8 | −7.7 to 2.1 | 0.261 |
| Social functioning | 97 | 80.0 | 84.0 | 4.0 | 0.0 to 8.0 | 0.050 |
| Mental health | 99 | 55.3 | 65.5 | 10.2 | 5.5 to 14.9 | <0.001 |
| Role difficulties | 100 | 60.2 | 67.2 | 7.0 | 1.4 to 12.6 | 0.014 |
| Dependency | 100 | 75.4 | 80.8 | 5.4 | 0.9 to 9.8 | 0.018 |
| Driving | 88 | 64.0 | 67.2 | 3.2 | −2.8 to 9.2 | 0.288 |
| Composite score | 100 | 67.8 | 72.6 | 4.8 | 1.9 to 7.7 | 0.001 |