Table 2.

Overall study results

	UDVA Snellen (decimal equivalent)	P	CDVA Snellen (decimal equivalent)	p	Kmax (D)	P	Coma (D)	P	MCT (μm)	P	SAI	P	CYL (D)	P
Baseline	0.37		0.63		55.70		1.019		443.76		4.777		2.944
Δ1m	0.02	0.23	05	0.052	1.01	0.052	−0.046	0.004*	−45.1	0.0001*	−0.005	0.045**	−0.48	0.34
Δ3m	0.04	0.028**	−0.05	0.013*	−0.05	0.067	−0.67	<  0.001*	− 15.2	0.0302**	0.143	0.834	−0.16	0.78
Δ6m	0.15	0.0001*	0.17	0.001*	−1.34	0.03*	−0.069	<  0.001*	−3.96	0.23	0.154	0.81	0.15	0.73
Δ1y	0.19	0.0001*	0.21	0.001*	−1.58	0.001*	−0.071	<  0.001*	10.17	0.817	0.716	0.232	0.21	0.65
Δ2y	0.20	0.001*	0.22	0.0002*	−1.33	0.001*	−0.082	<  0.001*	11.74	0.52	1.038	0.075	0.44	0.38
Δ3y	0.20	0.0001*	0.23	0.001*	−1.3	0.001*	−0.079	<  0.001*	11.67	0.56	1.039	0.0757	0.42	0.32
Δ4y	0.18	0.0001*	0.23	0.0067*	−1.23	0.001*	−0.072	<  0.001*	9.64	0.682	1.039	0.058	0.42	0.25
Δ5y	0.17	0.0001*	0.23	0.0031*	−1.49	0.001*	−0.067	<  0.001*	10.50	0.579	1.071	0.0503	0.418	0.25

**Indicates statistical significance (P > 0.05). * indicates statistical significance (P > 0.01). Δ change relative to the respective baseline value; UDVA = uncorrected distance visual acuity; CDVA = corrected distance visual acuity; Kmax = maximum keratometry; MCT = minimum corneal thickness; SAI = surface asymmetry index; CYL=topographic cylinder