Clinical exhibition of increased accommodative loads for binocular fusion in patients with basic intermittent exotropia

Table 3 Accommodative load in the deviating eye of IXT patients

Target distance	Accommodative load		Difference ^a, D	p ^*
Target distance	Monocular fixation, D	Binocular fixation, D	Difference ^a, D	p ^*
6 m	−0.20 ± 0.60 (−1.13 to 0.88)	−0.49 ± 0.54 (−1.56 to 0.87)	0.20 ± 0.58 (−0.82 to 1.12)	0.155
50 cm	−1.13 ± 0.79 (−3.88 to −0.37)	−1.55 ± 1.04 (−3.88 to 0.93)	0.37 ± 0.77 (−1.74 to 1.44)	0.022
33 cm	−1.72 ± 0.68 (−2.93 to −0.76)	−2.55 ± 0.92 (−5.44 to −1.56)	0.67 ± 0.68 (−0.63 to 0.62)	0.003
20 cm	−3.20 ± 1.09 (−4.87 to −1.06)	−4.50 ± 1.11 (−7.68 to −2.68)	0.97 ± 1.08 (−1.63 to 3.07)	0.003

D diopters
^* Wilcoxon’s signed rank test
^a Positive values indicate an increase in accommodative load with binocular viewing compared to monocular viewing

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