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. 2020 Dec 21;14:4459–4468. doi: 10.2147/OPTH.S288047

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© 2020 Itokawa et al.

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Correlation between the NIBUT and (A) NIKBUT-first and (B) -average with SCL. The NIBUT was not significantly correlated with the NIKBUT-first and average. Bland-Altman plot represented the agreement between the NIBUT and (C) NIKBUT-first and (D) NIKBUT-average with SCL. The continuous line shows the upper and lower limits of agreement between the two parameters. The continuous line represents the mean differences between the two parameters.

Abbreviations: NIBUT, noninvasive interferometry break up time; NIKBUT, noninvasive Keratograph break up time.