Table 3: Correlation between central keratometry and corneal indices.

Index Pearson p
SVI 0.567** 0.000
VAI 0.481** 0.000
KI 0.668** 0.000
CKI 0.778** 0.000
IHA 0.286** 0.000
IHD 0.599** 0.000
minR 0.447** 0.000

**. Correlation is significant at the 0.01 level (bilateral).
Abbreviations: SVI (Surface variation index), VAI (Vertical asymmetry index), KI (Keratoconus index), CKI (Central keratoconus index), IHA (Index of height asymmetry), IHD (Index of height decentration), minR (Minimum radius).