Table 2.

Intraobserver repeatability of angle kappa measurements by device for both eyes

Device	Mean±SD	Sw (mm)	2.77 Sw (mm)	ICC
Right eyes
Pentacam
1st	0.23±0.09	0.01	0.03	0.993
2nd	0.23±0.10	0.02	0.06	0.978
Lenstar
1st	0.24±0.11	0.01	0.03	0.991
2nd	0.24±0.12	0.02	0.06	0.982
iTrace
1st	0.31±0.15	0.02	0.06	0.978
2nd	0.32±0.16	0.02	0.06	0.980
Left eyes
Pentacam
1st	0.24±0.12	0.02	0.06	0.986
2nd	0.24±0.13	0.02	0.06	0.985
Lenstar
1st	0.25±0.13	0.02	0.06	0.984
2nd	0.25±0.14	0.02	0.06	0.987
iTrace
1st	0.34±0.11	0.02	0.06	0.985
2nd	0.35±0.13	0.03	0.08	0.964

SD=standard deviations; Sw=within-subject standard deviation; ICC=intraclass correlation coefficient