Surgical Treatment of Epiblepharon Effectively Alleviates Keratopathy but Not Astigmatism: A Case-Control Study Utilizing Vector Analysis in East Asian Children
Table 5
Refractive astigmatism status of the two study groups at baseline and 3 and 6 months after treatment, stratified by baseline astigmatism magnitude (≤2.0 and >2.0 diopters).
Baseline magnitude
Surgical treatment
Nonsurgical treatment
≤2.0 D
>2.0 D
≤2.0 D
>2.0 D
Pre-treatment
Number of eyes
47
44
37
30
Magnitude (D)
1.13 ± 0.63
3.39 ± 0.96
1.26 ± 0.54
3.50 ± 1.28
J0/J45 (D)
0.46 ± 0.39
0.07 ± 0.23
1.52 ± 0.78
0.06 ± 0.45
0.43 ± 0.44
−0.04 ± 0.30
1.57 ± 0.83
−0.05 ± 0.57
3 months after treatment
Number of eyes
39
44
33
28
Magnitude (D)
1.34 ± 0.78
3.06 ± 0.96
1.23 ± 0.53
3.39 ± 1.37
J0/J45 (D)
0.57 ± 0.44
0.08 ± 0.29
1.28 ± 0.77
0.01 ± 0.57
0.48 ± 0.35
−0.06 ± 0.30
1.52 ± 0.86
−0.05 ± 0.56
6 months after treatment
Number of eyes
41
41
29
22
Magnitude (D)
1.05 ± 0.77
2.89 ± 1.00
1.17 ± 0.63
3.47 ± 1.56
J0/J45 (D)
0.45 ± 0.41
0.05 ± 0.22
1.31 ± 0.62
−0.003 ± 0.49
0.47 ± 0.40
−0.05 ± 0.26
1.53 ± 1.00
−0.02 ± 0.58
value
0.86
0.14
0.86
0.67
0.76
0.63
0.20
0.85
0.50
0.87
0.81
0.06
SD, standard deviation, D, diopter. Magnitude of astigmatism indicates the absolute value of cylinder power regardless of the axis. Thibos and Horner’s method was used in the power vector analysis (J0/J45) of astigmatism. values were calculated using the repeated-measure ANOVA, regarding the laterality of eye as a within-subject variable. < 0.05.
