Research Article

Repeatability of Aberrometry-Based Automated Subjective Refraction in Healthy and Keratoconus Subjects

Table 5

Intraclass correlation coefficient (ICC) and its 95% confidence interval for spherical equivalent (M), cylindrical vectors (J0 and J45), binocular corrected visual acuity (BCDVA), and spent time in refraction.

GroupIntraclass correlation coefficient (95% confidence interval)
MJ0J45BCDVATime

Healthy0.989 (0.980, 0.994)0.935 (0.888, 0.965)0.929 (0.878, 0.961)0.748 (0.605, 0.855)0.500 (0.295, 0.687)
Keratoconus0.981 (0.966, 0.990)0.961 (0.931, 0.980)0.964 (0.936, 0.981)0.953 (0.917, 0.975)0.808 (0.686, 0.894)