Table 2 Results for assessments of visual function.
From: Characterizing amblyopic perception under non-rivalrous viewing conditions
Control M (SD) | Amblyopia M (SD) | Strabismus with equal acuity M (SD) | ||
|---|---|---|---|---|
Monocular visual acuity (logMAR) | Amblyopic | −0.03 (0.11) | 0.59 (0.30) * | 0.01 (0.11) |
Fellow | −0.07 (0.09) | 0.03 (0.25) | 0.02 (0.12) | |
Statistics | Main effect of group, F(1,25) = 33.72, p < 0.0001, \({\eta }_{G}^{2}\) = 0.44; Main effect of eye, F(1,25) = 31.81, p < 0.0001, \({\eta }_{G}^{2}\) = 0.35; eye by group interaction, F(1,25) = 24.22, p < 0.0001, \({\eta }_{G}^{2}\) = 0.29. Simple main effects: difference in the amblyopic eye, F(1,25) = 47.85, p < 0.0001, \({\eta }_{G}^{2}\) = 0.66, no difference in the fellow eye, F(1,25) = 2.05, p = 0.16, \({\eta }_{G}^{2}\) = 0.08 | |||
Binocular visual acuity (logMAR) | Binocular | −0.13 (0.07) | 0.01 (0.17) * | −0.04 (0.12) |
t(18.08) = 2.70, p = 0.015; Glass’s ∆ = 1.88 | ||||
Binocular summation (acuitybino – acuitybest mono) | Compares monocular vs. binocular acuity | 0.05 (0.05) t(11) = 2.94, p = 0.013 | 0.02 (0.12) t(13) = 0.76, p = 0.46 | 0.03 (0.04) t(6) = 2.40, p = 0.053 |
t(19.18) = 0.66, p = 0.51; Glass’s ∆ = 0.42 | ||||
Randot preschool circles stereopsis (log10 arcsec) | 1.54 (0.27) 35 arcsec | 2.56 (0.47) * 360 arcsec | 2.48 (0.58) 300 arcsec | |
t(22.25) = 7.25, p < 0.0001; Glass’s ∆ = 3.68 | ||||
Contrast sensitivity: area under the log CSF | Amblyopic | 3.01 (0.37) | 2.36 (0.35) * | 3.00 (0.45) |
Fellow | 3.07 (0.40) | 3.07 (0.54) | 3.01 (0.49) | |
Main effect of group, F(1,22) = 4.53, p = 0.045, \({\eta }_{G}^{2}\) = 0.14; Main effect of eye, F(1,22) = 23.78, p < 0.0001, \({\eta }_{G}^{2}\) = 0.19; Eye by group interaction, F(1,22) = 16.86, p < 0.0001, \({\eta }_{G}^{2}\) = 0.14. Simple main effects: difference in the amblyopic eye, F(1,23) = 20.85, p < 0.0001, \({\eta }_{G}^{2}\) = 0.47, no difference in the fellow eye, F(1,23) = 0.00, p = 0.98, \({\eta }_{G}^{2}\) = 0.00 | ||||
Contrast sensitivity at 2 cpd | Amblyopic | 1.97 (0.17) | 1.91 (0.34) | 1.92 (0.30) |
Fellow | 1.91 (0.24) | 1.88 (0.25) | 1.91 (0.30) | |
No effect of condition, F(1,22) = 0.24, p = 0.629, \({\eta }_{G}^{2}\) = 0.01; no effect of eye, F(1,22) = 0.67, p = 0.42, \({\eta }_{G}^{2}\) = 0.01; No eye by condition interaction, F(1,22) = 0.05, p = 0.83, \({\eta }_{G}^{2}\) = 0.00 | ||||
Interocular balance point | Binocular interactions | 0.64 (0.07) | 0.88 (0.12) * | 0.59 (0.19) |
t(18.10) = 5.85, p < 0.0001; Glass’s ∆ = 3.26 | ||||
