Table 1.

Correlation between low- and high-tech parameters during each visit

	T-BUT vs. NIKBUT-i	Schirmer vs. tear meniscus	Efron vs. redness score
T0	r = − 0.04 p = 0.616	r = 0.107 p = 0.198	r = 0.603 p < 0.001*
T1	r = 0.13 p = 0.110	r = 0.01 p = 0.856	r = 0.506 p < 0.001*
T2	r = 0.24 p = 0.003*	r = 0.01 p = 0.232	r = 0.476 p < 0.001*

*p < 0.05