Table 1. Preoperative ocular position and near-stereoscopic examination in two groups of CI-IXT patients.
Indicators | S-BLR group (n=11) | C-BLR group (n=11) |
Near deviation, PD | ||
30 | 1 (9.09) | 1 (9.09) |
35 | 5 (45.45) | 3 (27.27) |
40 | 2 (18.18) | 3 (27.27) |
45 | 0 | 2 (18.18) |
50 | 3 (27.27) | 2 (18.18) |
Distant deviation, PD | ||
20 | 2 (18.18) | 1 (9.09) |
25 | 5 (45.45) | 4 (36.36) |
30 | 1 (9.09) | 2 (18.18) |
35 | 2 (18.18) | 2 (18.18) |
40 | 1 (9.09) | 2 (18.18) |
NDD, PD | ||
10 | 7 (63.64) | 10 (90.91) |
15 | 4 (36.36) | 1 (9.09) |
Near stereopsis, arc sec | ||
Foveal stereopsis (≤60) | 4 (36.36) | 6 (54.55) |
Macular stereopsis (80-200) | 5 (45.45) | 2 (18.18) |
Peripheral stereopsis (400-800) | 2 (18.18) | 1 (9.09) |
No stereopsis | 0 | 2 (18.18) |
CI-IXT: Convergence insufficiency intermittent exotropia; S-BLR: Slanted bilateral lateral recession; C-BLR: Conventional bilateral lateral recession; NDD: Near-distance difference; PD: Prism diopters.
n (%)