Baseline characteristics of included children among three groups
| Characteristic | No. (%) | |||
| Binocular (n=36) | Patching (n=38) | Combined (n=29) | p value | |
| Female | 16 (44) | 24 (63) | 14 (48) | 0.24 |
| Age at enrolment | ||||
| Mean (SD), y | 6.50 (2.81) | 5.95 (2.28) | 6.21 (2.50) | 0.72 |
| Range, y | 3~13 | 3~13 | 3~12 | |
| Age at treatment | ||||
| Mean (SD), y | 5.92 (2.61) | 5.68 (2.26) | 5.72 (2.17) | 0.93 |
| Range, y | 3~13 | 3~13 | 2~12 | |
| Prior amblyopic treatment | 11 (31) | 8 (21) | 8 (28) | 0.64 |
| Type of anisometropia | 0.73 | |||
| Hyperopia | 22 (61) | 24 (63) | 21 (72) | |
| Astigmatism | 0 (0) | 2 (5) | 1 (3) | |
| Hyperopia+astigmatism | 10 (28) | 10 (26) | 6 (21) | |
| Others | 4 (11) | 2 (5) | 1 (3) | |
| Amblyopic-eye VA | ||||
| Mean (SD), logMAR | 0.49 (0.28) | 0.46 (0.23) | 0.51 (0.25) | 0.69 |
| Range, logMAR | 0.10~1.30 | 0.15~1.00 | 0.15~1.00 | |
| Amblyopic-eye SE | ||||
| Mean (SD), D | 3.46 (2.58) | 2.90 (2.78) | 3.68 (2.61) | 0.36 |
| Range, D | −4.63~7.50 | −5.63~6.25 | −7.00~6.75 | |
| Degree of amblyopia | 0.99 | |||
| Mild (<0.3 logMAR) | 7 (19) | 7 (18) | 5 (17) | |
| Moderate (0.3–0.7 logMAR) | 24 (67) | 27 (71) | 21 (72) | |
| Severe (>0.7 logMAR) | 5 (14) | 4 (11) | 3 (10) | |
| Refraction status of the amblyopic eye | 0.47 | |||
| Hyperopia | 6 (17) | 4 (11) | 6 (21) | |
| Hyperopia+astigmatism<1.0D | 9 (25) | 17 (45) | 12 (41) | |
| Hyperopia+astigmatism≥1.0D | 19 (53) | 14 (37) | 10 (34) | |
| Myopia+astigmatism | 2 (6) | 3 (8) | 1 (3) | |
D, diopter; SE, spherical equivalence;VA, visual acuity;logMAR, logarithm of the minimum angle of resolution; y, year.