Table 2.
Subjective Questionnaire Outcomes for the Two Intervention Groups
| Placebo Group (n = 26) | Active Group (n = 30) | |||||
|---|---|---|---|---|---|---|
| Questionnaire Items | Baseline | Final | P Value | Baseline | Final | P Value |
| Visual discomfort | ||||||
| Stable condition | 1 (3.85) | 4 (15.38) | 1 (3.33) | 11 (36.67) | ||
| Moderate discomfort | 19 (73.07) | 15 (57.69) | 20 (66.67) | 17 (56.67) | ||
| Persistent discomfort | 6 (23.07) | 7 (26.92) | 9 (30) | 2 (6.67) | ||
| Mean score | 3.69 ± 1.54 | 3.35 ± 1.96 | 0.416 | 3.90 ± 1.56 | 2.10 ± 1.79 | <0.001* |
| Effect on daily life | ||||||
| None | 7 (26.92) | 10 (38.46) | 9 (30) | 15 (50) | ||
| Little | 11 (42.31) | 9 (34.62) | 9 (30) | 10 (33.33) | ||
| Moderate | 7 (26.92) | 5 (19.23) | 7 (23.33) | 4 (13.33) | ||
| Much | 1 (3.85) | 1 (3.85) | 2 (6.67) | 1 (3.33) | ||
| Very much | 0 | 1 (3.85) | 3 (10) | 0 | ||
| Mean score | 1.08 ± 0.85 | 1.00 ± 1.06 | 0.678 | 1.37 ± 1.27 | 0.73 ± 0.94 | 0.002* |
P is the difference between baseline and final visit (paired sample t test).
*
Statistical significance between baseline and final visit.