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Corneal thickness evaluation in healthy eyes: Comparison between two different Scheimpflug devices

Fig 4

Bland-Altman plot between corneal thickness measurements (in microns) obtained with Pentacam HR and Precisio at the pupil center.

Continuous line: mean difference (21.9 microns). Dashed lines: mean ± 1.96 standard deviation of the differences (4.6–39.3 microns).

Fig 4

doi: https://doi.org/10.1371/journal.pone.0243370.g004