Table 4.
Tomographic data before fitting and after 3 months of contact lens wear
| Variable | Pre-fitting | After 3 months of CL wear | |||
|---|---|---|---|---|---|
| Mean (SD) | Median (range) | Mean (SD) | Median (range) | P value | |
| Kmant (D) | 48.91 (1.64) | 48.80 (42.03 to 63.24) | 50.28 (5.08) | 48.87 (42.86 to 64.47) | 0.594 |
| Astant (D) | 4.60 (0.98) | 4.11 (1.12 to 12.55) | 6.55 (3.44) | 5.20 (0.87 to 13.69) | 0.513 |
| Qant | − 0.93 (0.22) | − 0.92 (− 2.28 to 0.61) | − 1.23 (0.54) | − 1.06 (− 2.56 to 0.43) | 0.813 |
| Kmpost (D) | − 7.54 (0.39) | − 7.54 (− 11.32 to − 6.17) | − 7.83 (1.17) | − 7.89 (− 11.32 to − 6.22) | 0.575 |
| Astpost (D) | 0.93 (0.17) | 1.03 (0.09 to 1.66) | 1.07 (0.37) | 1.14 (0.40 to 1.90) | 0.735 |
| Qpost | − 1.15 (0.25) | − 0.98 (− 3.18 to − 0.44) | − 1.41 (0.61) | − 1.21 (− 3.04 to − 0.49) | 0.635 |
| MCT(μm) | 442.79 (24.98) | 455.00 (313 to 554) | 421.89 (48.52) | 432.00 (322 to 551) | 0.276 |
| CCT (μm) | 485.38 (26.05) | 484.00 (340 to 558) | 457.55 (42.27) | 481.00 (342 to 556) | 0.343 |
SD = standard deviation; D = diopters; Qant = asphericity of the anterior corneal surface; Qpost = asphericity of the posterior corneal surface; Kmant = anterior mean keratometry; Kmpost = posterior mean keratometry; Astant = anterior astigmatism; Astpost = posterior astigmatism; MCT = minimal corneal thickness; CCT = central corneal thickness