Table 2 Preoperative factors related to amblyopia in the final visit
From: Factors related to amblyopia in congenital ptosis after frontalis sling surgery
Factor | No amblyopia1 | Amblyopia2 | P valve |
|---|---|---|---|
n = 31 | n = 17 | ||
Age, years (mean ± SD) | 4.66 ± 2.41 (1–9) | 3.57 ± 2.23 (1–8) | 0.131 |
Gender (male/female) | 22/9 (71.0%/29.0%) | 8/9 (47.1%/52.9%) | 0.093 |
Side (Right/Left) | 17/14 (54.8%/45.2%) | 7/10 (41.2%/58.8%) | 0.547 |
Lateral (uni/bil) | 20/11 (64.5%/35.5%) | 7/10 (41.2%/58.8%) | 0.140 |
Diagnosis | |||
congenital | 30 (96.8%) | 12 (70.6%) | 0.017a |
blepharophemosis | 1 (3.2%) | 5 (29.4%) | |
Follow period (months) | 28.68 ± 27.57 (3–128) | 26.12 ± 20.12 (3–63) | 0.738 |
Pre-op sphere3 | −0.16 ± 1.79 | −0.33 ± 2.42 | 0.426 |
Pre-op astigmatism3 | − 1.27 ± 1.11 | −1.83 ± 1.21 | 0.963 |
Pre-op spherical equivalent3 | − 0.80 ± 1.87 | −1.24 ± 2.16 | 0.457 |
Pre-op anisometropia (astigmatism)3 | 0.92 ± 0.83 | 1.20 ± 1.58 | 0.449 |
Pre-op anisometropia (spherical equivalent)3 | 0.68 ± 0.79 | 1.40 ± 0.98 | 0.001 b |
Pre-op MRD1 (mm) | −0.27 ± 1.21 | − 1.24 ± 1.46 | 0.018b |
pre-op MRD1 (mm) ≤ − 0.5 | 12 (38.7%) | 11 (64.7%) | 0.131 |
pre-op MRD1 (mm) ≤ −1.00 | 10 (32.3%) | 11 (64.7%) | 0.038a |
Pre-op Lid fissure (mm) | 4.27 ± 0.94 (2.50–6.00) | 3.18 ± 0.90 (1.50–5.00) | < 0.001b |
pre-op Lid fissure (mm) ≤5.00 | 28 (90.3%) | 17 (100%) | 0.543 |
pre-op Lid fissure (mm) ≤4.50 | 20 (64.5%) | 16 (94.1%) | 0.035a |
Pre-op chin up | |||
yes | 17 (54.8%) | 14 (82.4%) | 0.068 |
no | 14 (45.2%) | 3 (17.6%) | |
Pre-op strabismus | |||
yes | 5 (16.1%) | 5 (29.4%) | 0.295 |
no | 26 (83.9%) | 12 (70.6%) | |
Prep-op amblyopia | |||
yes | 14 (45.2%) | 9 (52.9%) | 0.766 |
no | 17 (54.8%) | 8 (47.1%) | |