Refractive Changes Induced by Strabismus Corrective Surgery in Adults

Table 2

Comparison of preoperative and postoperative refractive power in terms of spherical equivalent (SE).

Grouping variable	Preoperative SE (mean ± SD)	Postoperative SE (mean ± SD)	value
Preoperative astigmatism
Present ()	−1.18 ± 3.47	−1.48 ± 3.52	0.002
Absent ()	−0.32 ± 2.73	−0.63 ± 2.54	0.011
Muscles involved
Single muscle ()	−0.62 ± 2.79	−0.83 ± 2.66	0.021
Two muscles ()	−1.04 ± 3.68	−1.45 ± 3.70	0.001
Total ()	−0.79 ± 3.14	−1.09 ± 3.10	<0.0001

Paired samples -test of preoperative compared to postoperative.