Table 1. The condition of patients included in this study.

Groups	Normal	CXL-S	CXL-B	Total
Sex
M	12	6	3	21
F	13	2	5	20
Eye
OS	12	4	4	20
OD	13	4	4	21
Degree of KC
I	0	0	0	0
II	7	0	0	7
III	10	3	5	18
IV	5	1	1	7
V	3	4	2	9
Age (a)
Mean age	38.87±10.75	29.24±12.18	25.96±4.41	34.48±11.43
Oldest	59	53.5	33.3	59
Youngest	19.5	15.5	20.6	19.5

KC: Keratoconus.