Table 1 Demographic data of participants.
From: Repeatability and comparison of new Corvis ST parameters in normal and keratoconus eyes
Parameters | Normal eyes | Keratoconus eyes | t | P |
|---|---|---|---|---|
Age (years, mean ± SD) | 25.99 ± 3.71 | 24.58 ± 5.19 | 1.930 | 0.056 |
Spherical equivalent (D, mean ± SD) | −4.89 ± 1.92 | −7.65 ± 4.76 | 4.717 | <0.001 |
Astigmatism (D, mean ± SD) | −0.53 ± 0.48 | −2.85 ± 2.74 | 7.311 | <0.001 |
AL (mm, mean ± SD) | 25.33 ± 1.69 | 25.67 ± 1.89 | −0.631 | 0.529 |
Ks (D, mean ± SD) | 43.68 ± 1.37 | 49.37 ± 5.36 | −9.020 | <0.001 |
Kf (D, mean ± SD) | 42.73 ± 1.23 | 46.69 ± 4.46 | −7.509 | <0.001 |
Kmean (D, mean ± SD) | 43.21 ± 1.27 | 47.65 ± 6.13 | −6.220 | <0.001 |
BCVA (LogMAR) | 0.004 ± 0.02 | 0.31 ± 0.34 | −7.964 | <0.001 |
