Table 3. Mean interdevice differences in IOL power calculation based on SRK II formula between each pair of devices.

Pairs of devices	IOL power (D)
	Normal (n=84)	P	High myopia (n=49)	P
Ultrasound-Lenstar	-0.50±0.32	0.000	-0.63±0.33	0.000
Ultrasound-IOLMaster	-0.51±0.33	0.000	-0.60±0.34	0.000
IOLMaster-Lenstar	0.01±0.13	0.474	-0.02±0.10	0.103

P-values from paired t-tests.