Table 1.

Summary of results.

Parameter	Preoperatively	1 month postoperatively	3 months postoperatively	6 months postoperatively	12 months postoperatively
LogMAR UDVA Mean ± SD	0.830 ±.37	0.47 ±0.32	0.35 ±0.25	0.31 ±0.26	0.26 ±0.25
P value		0.003	<0.001	<0.001	<0.001
LogMAR CDVA Mean ± SD	.27 ±0.31	0.27 ±0.29	0.18 ±0.21	0.12 ±0.19	0.08 ±0.18
P value		0.99	0.108	0.04	0.02
Kmax in D  Mean ± SD	48.9 ±2.8	45.6  ±3.2	45.6 ±3.2	45.5 ±3.1	45.4 ±3.1
P value		<0.001	<0.001	<0.001	<0.001
Kmin in D  Mean ± SD	45.9 ±2.8	44.4 ±2.9	44.3 ±3.0	44.3 ±3.1	44.1 ±3.2
P value		0.004	0.003	0.003	0.003
Median cylindrical error in D	2.13	1.25	1.0	1.00	1.13
P value		<0.001	<0.001	<0.001	<0.001

LogMAR = logarithm of the minimal angle of resolution, UDVA = uncorrected distance visual acuity, CDVA = corrected distance visual acuity, Kmax = maximum keratometry, Kmin = minimum keratometry, and D = diopter.