Table 2. Difference between anterior instantaneous curvature (AIC) and simulated keratometry (SimK) values.

	AIC (n = 153; D)	SimK (n = 153; D)	P †
Average	43.23±1.29	43.47±1.29	0.100
Flat	42.74±1.28	42.96±1.28	0.144
Steep	43.72±1.37	43.99±1.38	0.085
Astigmatism	0.98±0.55	1.03±0.61	0.399

Note: diopter (D); † Two-tailed independent sample t-test.