Table 2.

Preoperative corneal topographic parameters based on Scheimpflug camera analysis.

Patient	1	2	3	4
Degree of keratoconus (Amsler–Krumeich classification)	3	3	3–4	2–3
Preoperative corneal thickness (µm) max (min)	475 (449)	483 (476)	508 (469)	561 (518)
K1 [D]	44.1	50.1	53.2	41.3
K2 [D]	49.0	51.8	58.6	45.5
Kmean [D]	46.4	50.9	55.7	43.3
Astig [D]	4.9	1.7	5.4	4.1
BCVA 6 M-postop	0.3	0.3	0.6	0.4