Research Article
Comparison of Toric and Spherical Orthokeratology Lenses in Patients with Astigmatism
Table 2
Baseline parameters (mean ± SD) of the two groups.
| Parameters | Toric lens group 25 patients, 25 eyes | Spherical lens group 25 patients, 25 eyes | value |
| Age (y) | 10.67 ± 1.46 | 11.45 ± 1.63 | 0.078 | Gender (male/female) | 11/14 | 11/14 | 1.000 | Refractive M (D) | −4.01 ± 1.46 | −3.64 ± 1.37 | 0.366 | UCVA (logMAR) | 0.94 ± 0.32 | 0.93 ± 0.28 | 0.866 | BCVA (logMAR) | −0.04 ± 0.04 | −0.03 ± 0.04 | 0.779 | Axial length (mm) | 25.12 ± 0.90 | 25.01 ± 0.81 | 0.645 | Corneal equivalent power (D) | 43.87 ± 1.16 | 44.01 ± 1.27 | 0.680 | Corneal apical power (D) | 43.94 ± 1.19 | 44.08 ± 1.32 | 0.696 | Corneal toricity (D) | 1.85 ± 0.31 | 1.81 ± 0.32 | 0.611 | Corneal J180 (D) | −0.89 ± 0.16 | −0.84 ± 0.17 | 0.286 | Corneal J45 (D) | 0.09 ± 0.24 | 0.05 ± 0.33 | 0.977 |
|
|
UCVA : uncorrected visual acuity; Corneal J180 = −C cos 2θ/2; BCVA: best-corrected visual acuity; Corneal J45 = −C sin 2θ/2 (C: corneal astigmatism power, θ: corneal astigmatism axis).
|