Fig. 2 | Scientific Reports

Fig. 2

From: Agreement and repeatability of ocular surface function using the S390L Firefly WDR slitlamp compared with Keratograph 5M

Fig. 2

BA plot assessing the agreement between the K5M and S390L Firefly WDR slitlamp for measuring Average NIBUTf (a) and Average NIBUTav (b). The solid blue line indicates the mean difference. The dashed red lines represent the 95% limits of agreement (mean difference ± 1.96 SD). Individual paired measurements are plotted as orange circles. The vertical bars on the left side depict the SD of the differences, calculated at three distinct average value intervals.

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