Table 2.

The change of deviations after surgery in patients with inferior oblique overaction.

	Type of IOOA
Deviations	Primary		Z	p*	Secondary		Z	p*
	Preoperative Median (min−max)Δ	Postoperative Median (min−max)Δ			Preoperative Median (min−max)Δ	Postoperative Median (min−max)Δ
Horizontal near	14 (2–50)	10 (0–50)	−3.425		9 (0–50)	0 (0–50)	−4.471
Horizontal distance	12 (2–55)	10 (0–55)	−3.417	0.001	7 (0–55)	0 (0–50)	−4.043	0.001
Vertical	9 (0–40)	0 (0–20)	−3.825		12 (4–40)	0 (0–20)	−5.019

*Wilcoxon signed-rank test.