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

Table 2 Accommodative load in the fixating 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	−0.27 ± 0.77 (−1.50 to 1.13)	−0.49 ± 0.54 (−1.56 to 0.87)	0.23 ± 0.58 (−0.51 to 1.88)	0.193
50 cm	−1.14 ± 0.63 (−3.00 to 0.00)	−1.55 ± 1.04 (−3.88 to 0.93)	0.42 ± 0.73 (−1.55 to 1.38)	0.028
33 cm	−1.68 ± 0.58 (−2.88 to −0.81)	−2.55 ± 0.92 (−5.44 to −1.56)	0.88 ± 0.74 (−0.07 to 2.56)	0.001
20 cm	−3.62 ± 0.77 (−5.18 to −2.12)	−4.50 ± 1.1 (−7.68 to −2.68)	0.89 ± 1.05 (−0.44 to 2.81)	0.006

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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