1. Correlations between visual acuity and macular microvasculature quantified with optical coherence tomography angiography in diabetic macular oedema

    Correlations between visual acuity and macular microvasculature quantified with optical coherence tomography angiography in diabetic macular oedema

    Purpose To explore the impact of macular ischaemia on vision in diabetic macular oedema (DMO) by analysing the correlations between visual acuity and macular microvascular parameters using optical coherence tomography angiography (OCTA). Methods OCTA was performed in 81 eyes of 48 patients with DMO, and 3 × 3-mm 2 en face OCTA images of the superficial capillary plexus and deep capillary plexus in the central macula were retrospectively collected. Microvascular parameters including the number of microaneurysms, area of foveal avascular zone (FAZ), acircularity index of FAZ, vessel density, skeleton density, vessel density index and fractal dimension were measured. Central retinal thickness ...

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