Table 1

The comparison of values between IOLMaster 500 and IOLMaster 700

	n	Device	Mean	SD	Paired samples t test (p value)	Range (minimum–maximum)	ICC	Differences of the means	SD of difference of means	95% CI of differences of means	Paired samples t test p value
Anterior Chamber depth (mm)	175	IOLmaster 500	3.31	0.38	<0.001	2.23–4.19	0.920	−0.08	0.13	−0.102 to −0.063	<0.001
		IOLMaster 700	3.23	0.37		2.33–4.14
Axial length (mm)	171	IOLMaster 500	23.627	1.25	0.008	20.92–28.33	1.0	−0.005	0.02	−0.008 to −0.002	0.830
		IOLMaster 700	23.622	1.32		20.91–29.69
Keratometry (flat, D)	188	IOLMaster 500	43.46	1.77	0.001	48.35–37.17	0.992	−0.05	0.22	−0.079 to −0.014	<0.001
		IOLMaster 700	43.41	1.73		37.25–48.21
Keratometry (steep, D)	188	IOLMaster 500	44.50	1.81	<0.001	49.13–38.14	0.989	−0.08	0.27	−0.114 to −0.036	<0.001
		IOLMaster 700	44.42	1.83		38.05–49.07

Difference of the means was computed by subtracting IOLMaster 500 values form IOLMaster 700 values.
ICC, intraclass correlation coefficient.