Responsiveness of the IND-VFQ33 in cataract surgery patients (n = 366)
| Mean | Effect size* | |
|---|---|---|
| *Calculated as the mean change score from pre-surgery to post-surgery, divided by the standard deviation of the pre-surgery score. | ||
| General functioning (pre-surgery) | 64.01 (19.56) | 1.4 |
| General functioning (post-surgery) | 35.55 (15.60) | |
| Psychosocial impact (pre-surgery) | 13.98 (4.66) | 1.2 |
| Psychosocial impact (post-surgery) | 8.41 (3.77) | |
| Visual symptoms (pre-surgery) | 21.00 (4.57) | 1.5 |
| Visual symptoms (post-surgery) | 13.90 (4.75) | |