Table 3.

Refraction results. The table shows a statistically significant variation in terms of preoperative and postoperative refractive cylinder values, as well as a lack of statistically significant differences between preoperative and postoperative spherical equivalence.

Field	Preoperative mean	Preoperative SD	Postoperative mean	Postoperative SD	Mean variation	p value
Refractive cylinder	−1.23	0.53	−0.34	0.39	0.89	<0.001α
Spherical equivalence	−0.17	2.33	−0.52	0.35	0.35	0.517

α = paired t-test.