Reliability of Ocular Aberration Measurements in Children with Moderate and Low Myopia under Scotopic Conditions
Table 4
Comparison of the ocular aberration between the measured and the estimated values.
Parameters
Measured value
Estimated value
Difference
value
Difference/measured value (%)
Total RMS
3.74 ± 1.18
2.85 ± 1.07
−0.89
0.001
−23.80
LOA total RMS
3.69 ± 1.21
2.74 ± 1.11
−0.95
0.001
−25.75
HOA total RMS
0.34 ± 0.14
0.24 ± 0.12
−0.10
0.005
−29.41
Defocus
3.64 ± 1.14
2.68 ± 1.07
−0.96
0.000
−26.37
Astigmatism
0.58 ± 0.37
0.45 ± 0.31
−0.13
0.089
−22.41
Coma
0.24 ± 0.13
0.17 ± 0.10
−0.07
0.008
−29.17
Trefoil
0.14 ± 0.07
0.12 ± 0.07
−0.02
0.101
−14.29
Spherical
0.07 ± 0.06
0.06 ± 0.04
−0.01
0.252
−14.29
Secondary
0.06 ± 0.04
0.05 ± 0.03
−0.01
0.091
−16.67
MTF@5cpd
0.54 ± 0.17
0.60 ± 0.19
0.06
0.189
11.11
MTF@10cpd
0.27 ± 0.12
0.32 ± 0.15
0.05
0.111
18.52
MTF@15cpd
0.18 ± 0.07
0.21 ± 0.10
0.03
0.065
16.67
MTF@20cpd
0.12 ± 0.05
0.15 ± 0.07
0.03
0.067
25.00
MTF@25cpd
0.10 ± 0.04
0.11 ± 0.06
0.01
0.161
10.00
MTF@30cpd
0.08 ± 0.04
0.09 ± 0.05
0.01
0.205
12.50
Note: difference: the difference between the measured value and estimated value. value: value of the difference between the measured value and estimated value. Asterisk indicates statistical significance.
