Table 2.

Mean preoperative and postoperative visual acuity, and refractive and keratometric values in the study population.

	Preoperative	Postoperative third month	p value a
Snellen BCVA	0.51 ± 0.27	0.58 ± 0.21	0.05
Spheric objective refraction.	−5.08 ± 2.78D	−4.46 ± 2.91D	0.22
Cylindric objective refraction	−3.45 ± 2.73D	−3.03 ± 1.97D	0.25
Maximum keratometry (Kmax)	57.63 ± 4.73D	56.13 ± 4.47D	0.001
Flat keratometry (K1)	46.8 ± 3.2D	45.8 ± 2.8D	< 0.001
Steep keratometry (K2)	50.7 ± 3.8D	49.6 ± 3.6D	0.001

BCVA, best-corrected visual acuity; D, diopter.

Results are described as ‘mean ± standard deviation’.

^aPaired-samples t test.