Table 2.
Clinical Characteristics of all Eyes Used in the Analysis by Individual Parameter
| Subclinical KC Eyes | Control Eyes | P Value | |
|---|---|---|---|
| SE, D (SD) | −2.20 (3.32) | −6.59 (4.87) | <0.01 |
| AL, mm (SD) | 24.44 (1.48) | 26.62 (2.21) | <0.01 |
| ACD, mm (SD) | 3.59 (0.60) | 3.67 (0.43) | 0.09 |
| Front Km, D (SD) | 42.45 (1.38) | 43.22 (2.09) | 0.01 |
| Back Km, D (SD) | −6.03 (1.02) | −6.22 (0.34) | 0.60 |
| CCT, µm (SD) | 511.20 (45.82) | 531.74 (31.49) | 0.02 |
| CTA, µm (SD) | 511.90 (46.60) | 531.87 (31.07) | 0.01 |
| CTT, µm (SD) | 487.67 (82.22) | 528.97 (31.56) | <0.01 |
| CV, mm³ (SD) | 61.22 (21.13) | 59.02 (4.81) | 0.27 |
P value- values of Wilcoxon signed-rank test
ACD, anterior chamber depth; AL, axial length; back Km, mean back corneal curvature; CCT, central corneal thickness; CTA, corneal thickness at the apex; CTT, corneal thickness at the thinnest point; CV, corneal volume; front Km, mean front corneal curvature; KC, keratoconus; SD, standard deviation; SE, spherical equivalent.