Optical Coherence Tomography Angiography for Evaluation of Conjunctival Vessels in Dry Eyes

Table 2

BUT, OSDI, and Schirmer’s I examinations in the DED and control groups.

Parameters	DED group	Control group
Number (eye)	23	28	—
BUT (s)	3.70 ± 1.72	11.07 ± 2.14	0.01
OSDI	36.48 ± 5.98	17.43 ± 3.57	0.01
Schirmer’s I (mm)	4.78 ± 2.37	16.64 ± 5.23	0.01

DED, dry eye disease; BUT, break-up time; OSDI, ocular surface disease index.