Table 1.
Demographics, pre and postoperative clinical data in both groups
| Item | Six nerve palsy(n:10) | Esotropic DRS(n:11) |
|---|---|---|
| Age, mean, range, years | 36.7 (8–64) | 7.1 (4–12) |
| Sex | ||
| male | 7 | 2 |
| female | 3 | 9 |
| Follow up, mean (range) | 6.4 months (4–10) | 6.7 months (3–11) |
| Combined MRc, mean (no. of cases) | 4.8 mm (9 cases) | 4.7 mm (10 cases) |
| Preoperative esotropia, mean (range) | 40.5 PD (25–60) | 28.6 PD (20–40) |
| Postoperative deviation, mean (range) | 6.7 PD ET (6XT-15ET) | 2.5XT (25XT-8ET) |
| Improved esotropia, mean (range) | 33.8 PD (17–52) | 31.1 PD (12–60) |
| Preoperative AHP, mean (range) | 31° (20–45) | 28.1° (15–50) |
| Postoperative AHP, mean (range) | 4.5° (0–10) | −0.45° (5 to − 15) |
| Improved AHP, mean (range) | 26.5° (20–35) | 28.6 ° (15–50) |
| Preoperative abduction deficit, mean (range) | −4.2 (− 3.5 to − 5) | −3.09 (− 2 to − 4) |
| Postoperative abduction deficit, mean (range) | −1.5 (− 0.5 to − 3) | − 1.09 (0 to − 2) |
| Improved abduction deficit, mean (range) | 2.6 (2–3) | 2 (1–2.5) |
| Preoperative adduction, mean (range) | 0.5 (0 to 1) | 0 |
| Postoperative adduction, mean (range) | −0.2 (− 1 to 0) | − 0.45 (− 1 to 0) |
| Induced adduction deficit, mean (rang) | 0.7 (0–2) | 0.4 (0–1) |
| Induced vertical deviation, number | 4 | 3 |
| Preoperative binocular vision, no., (%) | ||
| Fusion | 2/9 (22%) | 4/7 (57%) |
| Stereopsis ≥3000 arcsc | 1/9 (11%) | 3/7 (42%) |
| Postoperative binocular vision, no. (%) | ||
| Fusion | 5/9 (55%) | 6/7 (85%) |
| Stereopsis ≥3000 arcsc | 3/9 (33%) | 5/7 (71%) |
MRc medial rectus recession, AHP abnormal head posture, PD prism diopter, arcsc arc second