Comparison of Anterior Segment Measurements Obtained by Three Different Devices in Healthy Eyes

Table 2

The mean differences, standard deviation, and Wilcoxon test (values of P < 0.05 were considered to be indicative of significant differences) of the flat SimK, steep SimK, corneal astigmatism, ACD, and WTW measurements by the IOL Master, Galilei, and WAM 5500.

		Mean difference	SD (±)	P
Flat SimK (D)	IOL Master-Galilei	0.155	0.156	<0.001
	IOL Master-WAM 5500	0.007	0.187	0.302
	Galilei-WAM 5500	−0.148	0.195	<0.001
Steep SimK (D)	IOL Master-Galilei	0.171	0.168	<0.001
	IOL Master-WAM 5500	−0.055	0.227	0.172
	Galilei-WAM 5500	−0.226	0.236	<0.001
Corneal astigmatism (D)	IOL Master-Galilei	0.016	0.249	0.662
	IOL Master-WAM 5500	−0.061	0.265	0.055
	Galilei-WAM 5500	−0.078	0.292	0.022
ACD (mm)	IOL Master-Galilei	−0.269	0.158	<0.001
WTW (mm)	IOL Master-Galilei	−0.080	0.274	0.009