Table 4.

Comparison of axial length measurements

Difference*	Difference (Lenstar® standard-5 LS – IOLMaster® composite-5 IM)	Difference (Lenstar® standard-5 LS – IOLMaster® composite-20 IM)	Difference (IOLMaster®composite-5 IM – IOLMaster® composite-20 IM)
AL (mm)
Mean ± SD	0.03±0.03	0.02±0.03	−0.0±0.03
Range	−0.06 to 0.19	−0.08 to 0.15	−0.20 to 0.08
P-value paired-t comparing means	<0.001	<0.001	0.840

Notes:

^*Based on eyes with measurements from both methods. Lenstar^® standard-5, Haag-Streit (Koeniz, Switzerland); IOLMaster^® composite-5; IOLMaster^® composite-20, Carl Zeiss Meditec AG (Jena, Germany).

Abbreviations: AL, axial length; SD, standard deviation.