Precision of Corneal Thickness Measurements Obtained Using the Scheimpflug-Placido Imaging and Agreement with Ultrasound Pachymetry

Figure 2

Bland-Altman plots of agreement in the thinnest corneal thickness measurement between the Scheimpflug-Placido topographic modeling system (TMS-5) and ultrasound pachymetry. The blue solid line indicates the mean difference (bias). The dashed lines represent the 95% limits of agreement. The upper and lower green solid lines represent the 95% limits of agreement.