Table 2. Binocular Summation (Binocular Score Minus Better Eye Score) in Patients Undergoing Strabismus Surgery.
| Variable | Mean (SD) [95% CI] | ||
|---|---|---|---|
| ETDRS, Letters | LCA, No. of Letters | ||
| 2.5% | 1.25% | ||
| All patients (n = 90) | |||
| Preoperative | 0.5 (4.5) [−0.5 to 1.5] | 1.3 (6) [−0.1 to 2.7] | −1.6 (7.3) [−3.1 to −0.05] |
| Postoperative | 1.3 (5) [0.1 to 2.3] | 2.8 (7) [1.4 to 4.3] | 1 (7) [−0.6 to 2.4] |
| P valuea | .25 | .05 | .01 |
| Successfully aligned patients only (n = 75) | |||
| Preoperative | 0.2 (5) [−0.9 to 1.3] | 1.6 (6) [0.1 to 3.1] | −0.7 (7) [-2.3 to 0.9] |
| Postoperative | 1.5 (3.6) [0.7 to 2.3] | 3 (6) [1.3 to 4.6] | 1.2 (6) [−0.4 to 2.8] |
| P valuea | .02 | .04 | .03 |
Abbreviations: ETDRS, Early Treatment Diabetic Retinopathy Study; LCA, low-contrast acuity.
a
Paired t test for matched pairs, 2-tailed.