Table 1.

Regression Slope and Coefficient of Determination (in Parentheses) of QP Torsional Amplitude versus Vertical Amplitude

	PE (from PE Viewing)				NE (from NE Viewing)
	Pre-SOP	Post-SOP	Post-IO	Post-IR	Pre-SOP	Post-SOP	Post-IO	Post-IR
Intorsion
M1	−0.004 (0.00)	0.79* (0.46)	3.10† (0.94)		−0.03 (0.00)	0.10 (0.02)	0.11 (0.01)
M2	0.38 (0.08)	1.63* (0.76)	2.10† (0.72)	1.49 (0.37)	1.68 (0.19)	0.15* (0.01)	0.44 (0.10)	0.75 (0.17)
Extorsion
M1	0.08 (0.01)	1.07* (0.59)	3.29† (0.96)		0.32 (0.14)	0.41 (0.43)	0.58 (0.58)
M2	0.55 (0.05)	1.30 (0.15)	1.67 (0.43)	2.84 (0.67)	−0.09 (0.00)	0.59* (0.51)	0.39 (0.10)	0.60 (0.35)

Extorsion and intorsion refer to the direction of motion of the viewing eye.

^*Significantly changed, compared with pre-SOP data (P < 0.05).

^†Significantly changed, compared with post-SOP data (P < 0.05).