Changes and Diurnal Variation of Visual Quality after Orthokeratology in Myopic Children
Table 3
Effects of orthokeratology on OSI, TFM-OSI, MTF cut-off, SR, and OVs (, mean ± SD).
Time
OSI
TFM-OSI
MTF
SR
OVs-100%
OVs-20%
OVs-9%
3 mm optical zone
AM baseline
—
—
48.332 ± 8.10
0.309 ± 0.07
1.611 ± 0.27
1.778 ± 0.40
1.922 ± 0.49
AM 1 month
—
—
38.812 ± 9.58
0.225 ± 0.07
1.294 ± 0.32
1.292 ± 0.41
1.316 ± 0.46
PM 1 month
—
—
42.225 ± 8.93
0.250 ± 0.07
1.408 ± 0.30
1.448 ± 0.42
1.489 ± 0.48
P1
—
—
<0.001
<0.001
<0.001
<0.001
<0.001
P2
—
—
0.067
0.064
0.068
0.053
0.068
4 mm optical zone
AM baseline
0.295 ± 0.15
0.572 ± 0.29
46.089 ± 7.26
0.280 ± 0.05
1.537 ± 0.24
1.652 ± 0.35
1.733 ± 0.38
AM 1 month
0.652 ± 0.31
1.212 ± 0.97
37.312 ± 8.16
0.211 ± 0.05
1.244 ± 0.27
1.216 ± 0.33
1.233 ± 0.35
PM 1 month
0.712 ± 0.43
1.128 ± 0.59
38.856 ± 9.55
0.223 ± 0.06
1.295 ± 0.32
1.300 ± 0.41
1.325 ± 0.45
P1
<0.001
0.002
<0.001
<0.001
<0.001
<0.001
<0.001
P2
0.239
0.63
0.32
0.169
0.326
0.204
0.189
5 mm optical zone
AM baseline
—
—
44.812 ± 8.87
0.275 ± 0.06
1.494 ± 0.30
1.602 ± 0.40
1.687 ± 0.46
AM 1 month
—
—
37.174 ± 7.96
0.215 ± 0.05
1.239 ± 0.27
1.209 ± 0.32
1.243 ± 0.36
PM 1 month
—
—
39.124 ± 10.37
0.224 ± 0.06
1.304 ± 0.35
1.322 ± 0.44
1.339 ± 0.44
P1
—
—
0.003
0.001
0.003
0.001
0.001
P2
—
—
0.177
0.294
0.178
0.051
0.109
Paired t-test. P1: comparison between AM baseline and AM 1 month after orthokeratology; P2: comparison between AM and PM during the same day 1 month after orthokeratology.
