Changes and Diurnal Variation of Visual Quality after Orthokeratology in Myopic Children
Table 6
Effects of orthokeratology on contrast sensitive function (, mean ± SD).
Time
3 cpd
6 cpd
12 cpd
18 cpd
AULCSF
Mesopic
AM baseline
1.620 ± 0.19
1.677 ± 0.17
1.552 ± 0.21
1.266 ± 0.37
1.245 ± 0.10
AM 1 month
1.606 ± 0.16
1.700 ± 0.26
1.573 ± 0.29
1.272 ± 0.36
1.257 ± 0.16
PM 1 month
1.632 ± 0.12
1.706 ± 0.21
1.551 ± 0.34
1.408 ± 0.38
1.267 ± 0.15
P1
0.706
0.634
0.7
0.913
0.659
P2
0.342
0.87
0.654
0.002
0.655
High glare
AM baseline
1.636 ± 0.25
1.686 ± 0.24
1.483 ± 0.25
1.267 ± 0.37
1.235 ± 0.13
AM 1 month
1.577 ± 0.20
1.669 ± 0.32
1.517 ± 0.28
1.338 ± 0.35
1.235 ± 0.19
PM 1 month
1.613 ± 0.18
1.746 ± 0.22
1.562 ± 0.31
1.431 ± 0.38
1.285 ± 0.14
P1
0.19
0.787
0.514
0.233
0.992
P2
0.387
0.086
0.226
0.01
0.018
Photopic
AM baseline
1.722 ± 0.17
1.657 ± 0.21
1.57 ± 0.29
1.266 ± 0.36
1.251 ± 0.13
AM 1 month
1.631 ± 0.14
1.716 ± 0.28
1.59 ± 0.27
1.397 ± 0.37
1.279 ± 0.17
PM 1 month
1.678 ± 0.14
1.775 ± 0.19
1.67 ± 0.22
1.430 ± 0.38
1.326 ± 0.11
P1
0.006
0.317
0.746
0.012
0.431
P2
0.115
0.129
0.017
0.371
0.01
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.
