Analysis of Tear Function Outcomes following Collagen Cross-Linking Treatment in Ectatic Corneas

Table 4

Demographic characteristics and baseline evaluation.

Characteristics	Epi-on	Epi-off	value
Eyes	26	31
Age (years)
Mean ± SD	25.46 ± 4.90	22.77 ± 6.09	0.076
Range	14–33	15–32
BCVA	0.60 ± 0.36	0.64 ± 0.31	0.537
Kmax (D)	55.75 ± 8.95	54.85 ± 6.22	0.942
OSDI (score)	11.33 ± 6.10	11.10 ± 7.19	0.773
Tear meniscus height (mm)	0.22 ± 0.05	0.21 ± 0.05	0.336
1st NIKBUT (s)	6.62 ± 3.65	7.71 ± 5.59	0.771
Average NIKBUT (s)	11.42 ± 5.93	10.09 ± 5.36	0.587
Bulbar redness (score)	1.03 ± 0.41	1.01 ± 0.36	0.912

BCVA: Best-corrected visual acuity (decimal visual acuity style); Kmax: maximum keratometry; OSDI: ocular surface disease index; NIKBUT: Noninvasive Keratograph breakup time; SD: standard deviation.