Preliminary Characterization of Predictive Factors of the Visual Change after Epi-On and Epi-Off Corneal Collagen Crosslinking Techniques

Table 1

Demographic data of the patients enrolled in study.

CXL type	Epi-on 35 (50.7%)
	Epi-off 34 (49.3%)
Sex	49 males (71.0%)
	20 females (29.0%)
Age (years)	24.9 ± 1.0
	Epi-on 26.5 ± 1.0
	Epi-off 23.5 ± 1.0
Laterality	36 right eyes (52.2%)
	33 left eyes (47.8%)
Contact lenses	No 46 (66.7%)
	Yes 23 (33.3%)