Table 1

Means and intrasession repeatability of the OCTA macular superficial vessel metrics

Left eyeRight eye
Mean±SDSwCoVPrecisionICCMean±SDSwCoVPrecisionICC
Foveal avascular zone area (mm2)0.357±0.1180.0164.4580.0310.9960.347±0.1080.0143.9770.0270.996
Foveal avascular zone perimeter (mm)2.190±0.4310.1396.3540.2730.9752.155±0.3650.1316.060.2560.969
Foveal avascular zone circularity0.687±0.0800.0598.5810.1160.8710.693±0.0780.0547.8150.1060.884
Parafoveal vessel density0.550±0.0220.0162.8490.0310.8690.558±0.0220.0173.0120.0330.853
Fractal dimension1.687±0.0050.0030.1650.0050.9311.687±0.0060.0030.1840.0060.93
Vessel diameter index (mm2 2/mm)0.012±0.0000.0001.8350.0000.9160.012±0.0000.0002.2640.0010.881
  • CoV, coefficient of variation; ICC, intraclass correlation coefficient; OCTA, optical coherence tomography angiography; Sw, within-subject SD.