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. 2020 Apr 4;6(4):e03642. doi: 10.1016/j.heliyon.2020.e03642

Table 1.

Patients demographics.

Glasses (Group I, n = 9) Ortho-K Lens (Group II, n = 13) P-value
Duration of wear (months) 12 12 N/A
Age 8.8 ± 1.0 9.4 ± 1.6 0.30
Sex (Male) 4 (44.4 %) 7 (53.8 %) 0.67
Spherical Equivalent (D) −2.72 ± 0.87 −3.30 ± 0.51 0.07
Corneal Spherical Aberration (μm) 0.11 ± 0.11 0.14 ± 0.17 0.36
Corneal Coma-like Aberration (μm) 0.12 ± 0.15 0.10 ± 0.12 0.42
Keratometry (D) 43.5 ± 1.5 42.8 ± 1.6 0.71
Axial Length (mm) 24.6 ± 0.6 25.0 ± 0.5 0.11

Spherical equivalent was calculated based on the cycloplegic manifest refraction.

Wilcoxon signed-rank test.

Fisher's exact test.