Figure 3.
Bland-Altman plot of mean difference in central corneal thickness measurements between ultrasound pachymetry and SP-3000P noncontact specular microscope against their mean in session 1 and session 2.
Notes: Mean difference in session 1, P < 0.001; session 2, P < 0.001.
Abbreviations: CCT, central corneal thickness; CI, confidence interval.