Three-Year Outcomes of Cross-Linking PLUS (Combined Cross-Linking with Femtosecond Laser Intracorneal Ring Segments Implantation) for Management of Keratoconus

Table 5

The summary of the refractive data of the 7^th complicated eye (group C).

Parameters	Preoperative data	Following removal of the 2 Keraring segments	36 months following reimplantation of 2 new Keraring segments
Mean K reading average (D)	51.37	52.04	48.06
Mean corneal thickness at thinnest location, (μm)	428	426	421
Mean postoperative myopic correction (D)	—	—	1.25
Mean astigmatism (D)	5.75	5.50	1.50
Mean postoperative astigmatic correction (D)	—	—	1.00
Mean UCVA (logMAR)	1.30	1.30	0.70
Mean BCVA (logMAR)	0.60	0.60	0.30