Table 1 Baseline demographics, individual Zernike coefficients and RMS of higher-order aberrations of the pooled population.
From: Ocular higher-order aberrations and axial eye growth in young Hong Kong children
N | Mean ± SD | Median | Range | |
|---|---|---|---|---|
Demographics | ||||
Age, y | 137 | 8.8 ± 1.4 | 8.6 | 6.1–12.6 |
SER, D | 137 | −2.04 ± 2.38 | −2.00 | −8.63−+2.50 |
Axial length, mm | 137 | 24.09 ± 1.24 | 24.10 | 21.35–27.06 |
Zernike coefficient, µm | ||||
\({{\rm{Z}}}_{3}^{-3}\) | 128 | 0.057 ± 0.120 | 0.054 | −0.229–0.372 |
\({{\rm{Z}}}_{3}^{-1}\) | 128 | 0.083 ± 0.175 | 0.064 | −0.380–0.580 |
\({{\rm{Z}}}_{3}^{1}\) | 128 | 0.004 ± 0.091 | 0.008 | −0.226–0.225 |
\({{\rm{Z}}}_{3}^{3}\) | 128 | −0.019 ± 0.098 | −0.029 | −0.324–0.261 |
\({{\rm{Z}}}_{4}^{-4}\) | 128 | 0.027 ± 0.033 | 0.027 | −0.099–0.117 |
\({{\rm{Z}}}_{4}^{-2}\) | 128 | −0.023 ± 0.031 | −0.021 | −0.181–0.072 |
\({{\rm{Z}}}_{4}^{0}\) | 128 | 0.076 ± 0.108 | 0.069 | −0.174–0.349 |
\({{\rm{Z}}}_{4}^{2}\) | 128 | 0.014 ± 0.061 | 0.020 | −0.148–0.338 |
\({{\rm{Z}}}_{4}^{4}\) | 128 | 0.026 ± 0.051 | 0.021 | −0.093–0.268 |
\({{\rm{Z}}}_{5}^{-5}\) | 128 | −0.012 ± 0.021 | −0.011 | −0.091–0.046 |
\({{\rm{Z}}}_{5}^{-3}\) | 128 | 0.001 ± 0.025 | 0.002 | −0.153–0.080 |
\({{\rm{Z}}}_{5}^{-1}\) | 128 | 0.015 ± 0.030 | 0.013 | −0.091–0.098 |
\({{\rm{Z}}}_{5}^{1}\) | 128 | 0.002 ± 0.016 | 0.002 | −0.047–0.049 |
\({{\rm{Z}}}_{5}^{3}\) | 128 | 0.005 ± 0.014 | 0.005 | −0.037–0.043 |
\({{\rm{Z}}}_{5}^{5}\) | 128 | 0.008 ± 0.020 | 0.008 | −0.085–0.060 |
\({{\rm{Z}}}_{6}^{-6}\) | 128 | 0.000 ± 0.013 | 0.000 | −0.042–0.047 |
\({{\rm{Z}}}_{6}^{-4}\) | 128 | −0.005 ± 0.010 | −0.003 | −0.060–0.017 |
\({{\rm{Z}}}_{6}^{-2}\) | 128 | 0.000 ± 0.008 | 0.001 | −0.021–0.028 |
\({{\rm{Z}}}_{6}^{0}\) | 128 | −0.023 ± 0.018 | −0.024 | −0.076–0.042 |
\({{\rm{Z}}}_{6}^{2}\) | 128 | 0.004 ± 0.014 | 0.002 | −0.046–0.088 |
\({{\rm{Z}}}_{6}^{4}\) | 128 | −0.006 ± 0.014 | −0.006 | −0.042–0.069 |
\({{\rm{Z}}}_{6}^{6}\) | 128 | 0.002 ± 0.018 | 0.000 | −0.046–0.127 |
RMS, µm | ||||
HO RMS | 128 | 0.320 ± 0.105 | 0.292 | 0.133–0.674 |
SA RMS | 128 | 0.112 ± 0.076 | 0.091 | 0.015–0.352 |
Coma RMS | 128 | 0.185 ± 0.112 | 0.159 | 0.023–0.583 |
