Table 2. National Eye Institute Visual Functioning Questionnaire 25 Results at Baseline and 6 Months for the YAG and Sham Groups.
| Scale | YAG Group | Sham Group | Difference Between YAG and Sham Groups at 6 mo | |||||
|---|---|---|---|---|---|---|---|---|
| Baseline | 6 mo | P Value vs Baseline | Baseline | 6 mo | P Value vs Baseline | Difference (95% CI) | P Value | |
| General vision | 72.9 | 69.4 | .20 | 60.9 | 53.1 | .02 | 16.3 (0.9 to 31.7) | .04 |
| Ocular pain | 86.5 | 92.0 | .07 | 90.6 | 94.5 | .14 | −2.5 (−10.8 to 5.0) | .51 |
| Near vision | 80.9 | 86.8 | .02 | 75.8 | 80.5 | .23 | 6.3 (−4.0 to 16.7) | .22 |
| Far vision | 80.6 | 90.0 | <.001 | 82.3 | 83.3 | .70 | 6.7 (−1.4 to 14.8) | .10 |
| Color vision | 96.5 | 99.3 | .10 | 95.3 | 95.3 | >.99 | 4.0 (−10 to 9.0) | .11 |
| Peripheral vision | 88.9 | 94.4 | .04 | 89.1 | 82.8 | .48 | 11.6 (0.8 to 22.4) | .04 |
| General health | 72.2 | 69.4 | .32 | 71.9 | 64.1 | .02 | 5.4 (−8.8 to 19.6) | .45 |
| Mental health | 70.5 | 83.7 | .001 | 65.6 | 75.8 | .005 | 7.9 (−2.2 to 18.0) | .12 |
| Role difficulties | 81.6 | 93.1 | .002 | 74.2 | 75.8 | .68 | 17.3 (8.0 to 26.6) | <.001 |
| Dependency | 94.2 | 98.8 | .04 | 94.3 | 93.2 | .61 | 5.6 (0.4 to 10.8) | .03 |
| Driving | 75.5 | 79.4 | .29 | 79.2 | 76.6 | .73 | 2.8 (−14.5 to 20.2) | .74 |