Table 2.
The parafoveal and peripapillary vascular parameters on SCPL/DCPL and the FAZ size in Angio-OCT.
| Amblyopia | Emmetropia | Mean | SD | t | p | Amblyopia | Emmetropia | Mean | SD | t | p | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| SCPL | Parafovea | Peripapillary | ||||||||||
| VD | 21.04 ± 0.32 | 21.09 ± 0.33 | − 0.054 | 0.413 | − 0.675 | 0.506 | 21.13 ± 0.31 | 21.21 ± 0.27 | − 0.073 | 0.364 | − 1.046 | 0.305 |
| VAD | 0.54 ± 0.01 | 0.54 ± 0.01 | − 0.004 | 0.011 | − 1.954 | 0.062 | 0.57 ± 0.02 | 0.57 ± 0.11 | − 0.002 | 0.025 | − 0.498 | 0.623 |
| VSD | 0.15 ± 0.00 | 0.15 ± 0.00 | 0.000 | 0.002 | − 1.000 | 0.327 | 0.16 ± 0.01 | 0.16 ± 0.00 | − 0.001 | 0.007 | − 0.877 | 0.388 |
| IVP | 0.35 ± 0.01 | 0.35 ± 0.01 | 0.000 | 0.005 | 0.000 | − 1.000 | 0.35 ± 0.00 | 0.36 ± 0.00 | − 0.002 | 0.011 | − 1.190 | 0.245 |
| FAZ | 0.28 ± 0.12 | 0.26 ± 0.11 | 0.018 | 0.088 | 1.054 | 0.302 | ||||||
| DCPL | Parafovea | Peripapillary | ||||||||||
| VD | 19.83 ± 0.34 | 19.87 ± 0.30 | − 0.038 | 0.309 | − 0.641 | 0.527 | 19.79 ± 0.42 | 19.90 ± 0.41 | − 0.102 | 0.483 | − 1.096 | 0.283 |
| VAD | 0.52 ± 0.01 | 0.52 ± 0.01 | − 0.001 | 0.012 | − 0.625 | 0.537 | 0.51 ± 0.02 | 0.51 ± 0.01 | − 0.002 | 0.025 | − 0.445 | 0.660 |
| VSD | 0.15 ± 0.00 | 0.15 ± 0.00 | 0.000 | 0.005 | − 0.372 | 0.713 | 0.15 ± 0.01 | 0.15 ± 0.00 | − 0.001 | 0.007 | − 0.964 | 0.344 |
| IVP | 0.36 ± 0.00 | 0.36 ± 0.00 | − 0.001 | 0.004 | − 1.000 | 0.327 | 0.35 ± 0.01 | 0.35 ± 0.00 | − 0.003 | 0.014 | − 0.978 | 0.337 |
| FAZ | 0.68 ± 0.20 | 0.65 ± 0.18 | 0.030 | 0.161 | 0.981 | 0.336 | ||||||
Without statistically significant different, Angio-OCT indices in the SCPL/DCPL were lower in the amblyopic eyes. The mean FAZ size of the amblyopic eyes was larger in SCPL/DCPL.
SCPL/DCPL superficial/deep capillary plexus layer, FAZ foveal avascular zone, Angio-OCT optical coherence tomography angiography, SD standard deviation, VD vessel diameter (µm), VAD vascular area density, VSD vascular skeleton density; IVP: index of vessel perimeter.
Significant statistical difference, p < 0.05.