Changes and Diurnal Variation of Visual Quality after Orthokeratology in Myopic Children
Table 5
Effects of orthokeratology on corneal aberrations (, mean ± SD).
Time
Coma
Trefoil
Tetrafoil
Sph
S3
S4
S5
S6
S7
S8
3 mm optical zone
Baseline AM
0.048 ± 0.02
0.143 ± 0.05
0.105 ± 0.05
0.009 ± 0.01
0.155 ± 0.05
0.140 ± 0.05
0.091 ± 0.03
0.102 ± 0.03
0.063 ± 0.02
0.071 ± 0.02
1 month AM
0.120 ± 0.09
0.210 ± 0.14
0.171 ± 0.10
0.026 ± 0.03
0.251 ± 0.16
0.243 ± 0.16
0.162 ± 0.10
0.184 ± 0.12
0.104 ± 0.06
0.129 ± 0.09
1 month PM
0.109 ± 0.11
0.202 ± 0.14
0.170 ± 0.09
0.027 ± 0.02
0.242 ± 0.17
0.235 ± 0.15
0.149 ± 0.10
0.176 ± 0.12
0.097 ± 0.07
0.123 ± 0.09
P1
0.002
0.047
0.011
0.003
0.015
0.005
0.005
0.003
0.01
0.004
P2
0.663
0.836
0.946
0.924
0.825
0.81
0.616
0.77
0.666
0.761
4 mm optical zone
Baseline AM
0.121 ± 0.05
0.452 ± 0.21
0.310 ± 0.11
0.038 ± 0.02
0.482 ± 0.19
0.413 ± 0.12
0.335 ± 0.11
0.314 ± 0.09
0.278 ± 0.12
0.221 ± 0.06
1 month AM
0.534 ± 0.39
0.673 ± 0.42
0.604 ± 0.35
0.198 ± 0.17
0.903 ± 0.53
0.820 ± 0.46
0.657 ± 0.32
0.641 ± 0.35
0.468 ± 0.26
0.440 ± 0.24
1 month PM
0.409 ± 0.40
0.561 ± 0.31
0.494 ± 0.34
0.200 ± 0.10
0.733 ± 0.49
0.696 ± 0.43
0.555 ± 0.30
0.533 ± 0.38
0.365 ± 0.25
0.357 ± 0.21
P1
<0.001
0.036
<0.001
<0.001
0.002
<0.001
<0.001
<0.001
0.004
<0.001
P2
0.056
0.192
0.181
0.923
0.101
0.237
0.12
0.192
0.055
0.149
5 mm optical zone
Baseline AM
0.411 ± 0.37
0.439 ± 0.39
0.330 ± 0.32
0.099 ± 0.15
0.668 ± 0.46
0.490 ± 0.45
0.645 ± 0.45
0.366 ± 0.30
0.497 ± 0.27
0.253 ± 0.20
1 month AM
1.016 ± 0.42
1.175 ± 0.66
0.858 ± 0.53
0.451 ± 0.33
1.644 ± 0.62
1.454 ± 0.67
1.412 ± 0.69
1.266 ± 0.84
1.205 ± 0.83
1.042 ± 0.59
1 month PM
1.231 ± 1.39
0.956 ± 1.12
0.738 ± 0.71
0.408 ± 0.37
1.629 ± 1.77
1.388 ± 1.38
1.182 ± 1.28
0.993 ± 0.99
0.918 ± 0.92
0.823 ± 0.89
P1
<0.001
<0.001
<0.001
<0.001
<0.001
<0.001
<0.001
<0.001
0.001
<0.001
P2
0.474
0.443
0.528
0.636
0.971
0.844
0.485
0.346
0.296
0.292
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.
