1. Reproducibility and repeatability of foveal avascular zone measurements in healthy subjects by optical coherence tomography angiography

    Reproducibility and repeatability of foveal avascular zone measurements in healthy subjects by optical coherence tomography angiography

    Background/aims To assess the reproducibility and repeatability of foveal avascular zone (FAZ) area measurements using optical coherence tomography angiography (OCT-A) in healthy subjects. Methods Sixty healthy volunteers (60 eyes) were subjected to FAZ area measurements by means of high speed and high resolution spectral-domain OCT (SD-OCT) XR Avanti with the split-spectrum amplitude decorrelation angiography algorithm by two experienced examiners in two different sessions. Results The mean±SD age of the subjects was 28.9±7.6 years. Overall FAZ areas measured by the first and second observer were 0.251±0.096 mm 2 and 0.252±0.096 ...

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