Table 8.
Change of children's visual acuity in the 3-s group.
| Visual indicator | Visual acuity | Pre-test (T1) | Mid-test (T2) | Post-test (T3) | F/T-value | P-value |
|---|---|---|---|---|---|---|
| KVA | Emmetropia (8) | 0.58 ± 0.25 | 0.64 ± 0.23 | 0.73 ± 0.23a | 3.212 | 0.05 |
| Mild and moderate myopia (22) | 0.48 ± 0.26 | 0.54 ± 0.24a | 0.63 ± 0.25ab | 10.068 | < 0.05 | |
| Severe myopia (8) | 0.34 ± 0.26 | 0.34 ± 0.23 | 0.34 ± 0.18 | 0.025 | >0.05 | |
| UDVA | Emmetropia (8) | 5.05 ± 0.05 | 5.03 ± 0.14 | 5.16 ± 0.13ab | 3.411 | < 0.05 |
| Mild and moderate myopia (22) | 4.75 ± 0.12 | 4.85 ± 0.17a | 4.92 ± 0.20a | 14.074 | < 0.05 | |
| Severe myopia (8) | 4.36 ± 0.15 | 4.40 ± 0.17 | 4.45 ± 0.19 | 1.245 | >0.05 | |
| Axial length | Emmetropia (8) | 23.58 ± 0.89 | 23.64 ± 0.89a | 23.71 ± 0.94a | 6.909 | < 0.05 |
| Mild and moderate myopia (22) | 24.33 ± 1.08 | 24.40 ± 1.07a | 24.53 ± 1.08ab | 28.620 | < 0.05 | |
| Severe myopia (8) | 24.80 ± 1.06 | 24.91 ± 1.04a | 25.05 ± 1.04ab | 20.135 | < 0.05 | |
| Accommodative facility | Emmetropia (8) | 9.94 ± 1.84 | 10.13 ± 1.98 | 0.517 | >0.05 | |
| Mild and moderate myopia (22) | 8.68 ± 1.32 | 9.02 ± 1.84b | 4.701 | < 0.05 | ||
| Severe myopia (8) | 7.25 ± 1.07 | 7.38 ± 1.25 | 0.230 | >0.05 |
p < 0.05 when “a” was compared with T1; p < 0.05 when “b” was compared with T2.