Table 2.
Accommodative load in the fixating eye of IXT patients
| Target distance | Accommodative load | Difference a, D | p * | |
|---|---|---|---|---|
| Monocular fixation, D | Binocular fixation, D | |||
| 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