Table 1.
Electroretinography Findings (n = 88 Eyes)
| Both | Right Eye | Left Eye | P Value Between the Right Eye and Left Eye | |
|---|---|---|---|---|
| Age (months) | 13.83 ± 8.56 | |||
| Weight (kg) | 64.08 ± 41.21 | |||
| AL (mm) | 20.33 ± 0.88 | 20.36 ± 1.14 | 20.29 ± 0.72 | 0.686a |
| ACD (mm) | 3.19 ± 0.42 | 3.22 ± 0.45 | 3.16 ± 0.39 | 0.328a |
| Lens (mm) | 7.29 ± 0.69 | 7.33 ± 0.67 | 7.26 ± 0.72 | 0.643b |
| VCD (mm) | 9.83 ± 1.23 | 9.79 ± 1.12 | 9.83 ± 1.23 | 0.744b |
| Mean implicit time of the b-wave in scotopic 0.01 ERGs (ms) | 68.09 ± 14.64 | 66.67 ± 29.64 | 69.54 ± 15.11 | 0.610b |
| Mean amplitude of the b-wave in scotopic 0.01 ERGs (µV) | 64.08 ± 41.21 | 64.36 ± 41.50 | 63.78 ± 41.38 | 0.440b |
| Mean implicit time of the a-wave in scotopic 3.0 ERGs (ms) | 16.12 ± 3.20 | 15.77 ± 2.29 | 16.48 ± 3.92 | 0.443b |
| Mean implicit time of the b-wave in scotopic 3.0 ERGs (ms) | 41.06 ± 6.28 | 41.02 ± 5.78 | 41.11 ± 6.83 | 0.454b |
| Mean amplitude of the a-wave in scotopic 3.0 ERGs (µV) | 65.76 ± 24.68 | 68.13 ± 23.68 | 63.34 ± 25.71 | 0.988b |
| Mean amplitude of the b-wave in scotopic 3.0 ERGs (µV) | 134.89 ± 52.21 | 137.34 ± 48.29 | 131.78 ± 56.38 | 0.625b |
| b/a ratio in scotopic 3.0 ERGs | 2.09 ± 0.56 | 2.10 ± 0.55 | 2.08 ± 0.57 | 0.948b |
| Mean implicit time of the a-wave in scotopic 10.0 ERGs (ms) | 15.73 ± 2.66 | 15.52 ± 2.38 | 15.95 ± 2.92 | 0.888b |
| Mean implicit time of the b-wave in scotopic 10.0 ERGs (ms) | 40.39 ± 6.39 | 40.18 ± 5.69 | 40.61 ± 7.09 | 0.177b |
| Mean amplitude of the a-wave in scotopic 10.0 ERGs (µV) | 56.84 ± 21.32 | 58.35 ± 20.26 | 55.30 ± 22.48 | 0.790b |
| Mean amplitude of the b-wave in scotopic 10.0 ERGs (µV) | 109.87 ± 42.16 | 112.03 ± 37.59 | 107.65 ± 46.73 | 0.394b |
| Mean amplitude of oscillatory potential (µV) | 19.51 ± 14.03 | 19.58 ± 13.25 | 19.45 ± 14.95 | 0.440b |
| Mean implicit time of the a-wave in photopic 3.0 ERGs (ms) | 13.84 ± 6.93 | 12.65 ± 2.78 | 15.06 ± 9.35 | 0.203b |
| Mean implicit time of the b-wave in photopic 3.0 ERGs (ms) | 33.73 ± 5.78 | 33.13 ± 4.94 | 34.34 ± 6.52 | 0.391b |
| Mean amplitude of the a-wave in photopic 3.0 ERGs (µV) | 23.53 ± 12.11 | 23.78 ± 12.18 | 23.27 ± 12.18 | 0.760b |
| Mean amplitude of the b-wave in photopic 3.0 ERGs (µV) | 131.44 ± 55.64 | 138.38 ± 54.67 | 124.35 ± 56.37 | 0.934b |
| Mean interval between n1 and p1 waves of photopic 3.0 flicker ERGs (ms) | 21.37 ± 4.05 | 22.02 ± 3.55 | 20.70 ± 4.45 | 0.065b |
| Mean amplitude of photopic 3.0 flicker ERGs (µV) | 114.75 ± 62.64 | 121.84 ± 65.01 | 107.51 ± 60.02 | 0.835b |
AL, axial length; ACD, anterior chamber depth; VCD, vitreous chamber depth; ERG, electroretinogram.
a
Paired t test.
b
Wilcoxon signed-rank test.