Table 9.
Change of children's visual acuity in the 5-s group.
| Visual indicator | Visual acuity | Pre-test (T1) | Mid-test (T2) | Post-test (T3) | F/T-value | P-value |
|---|---|---|---|---|---|---|
| KVA | Emmetropia (11) | 0.71 ± 0.27 | 0.74 ± 0.23 | 0.84 ± 0.31a | 4.018 | < 0.05 |
| Mild and moderate myopia (15) | 0.49 ± 0.13 | 0.52 ± 0.13 | 0.57 ± 0.20 | 2.562 | >0.05 | |
| Severe myopia (12) | 0.26 ± 0.08 | 0.29 ± 0.12 | 0.33 ± 0.15 | 1.882 | >0.05 | |
| UDVA | Emmetropia (11) | 5.16 ± 0.05 | 5.09 ± 0.16 | 5.13 ± 0.13 | 1.225 | >0.05 |
| Mild and moderate myopia (15) | 4.75 ± 0.13 | 4.85 ± 0.16a | 4.93 ± 0.21a | 6.915 | >0.05 | |
| Severe myopia (12) | 4.41 ± 0.09 | 4.47 ± 0.20 | 4.55 ± 0.26a | 3.205 | 0.05 | |
| Axial length | Emmetropia (11) | 23.46 ± 0.69 | 23.53 ± 0.69a | 23.74 ± 0.71ab | 11.248 | < 0.05 |
| Mild and moderate myopia (15) | 24.65 ± 0.97 | 24.71 ± 1.00 | 24.85 ± 1.02a | 6.068 | < 0.05 | |
| Severe myopia (12) | 24.47 ± 0.68 | 24.53 ± 0.67a | 24.63 ± 0.67ab | 3.195 | 0.05 | |
| Accommodative facility | Emmetropia (11) | 9.41 ± 1.83 | 9.50 ± 1.87 | 0.0934 | >0.05 | |
| Mild and moderate myopia (15) | 8.17 ± 2.30 | 8.40 ± 2.39b | 8.395 | < 0.05 | ||
| Severe myopia (12) | 8.21 ± 2.47 | 8.33 ± 2.40 | 1.927 | >0.05 |
p < 0.05 when “a” was compared with T1; p < 0.05 when “b” was compared with T2.