1. Suspended Scattering Particles in Motion May Influence Optical Coherence Tomography Angiography Vessel Density Metrics in Eyes with Diabetic Macular Edema

    Suspended Scattering Particles in Motion May Influence Optical Coherence Tomography Angiography Vessel Density Metrics in Eyes with Diabetic Macular Edema

    Purpose: To study the effect of the suspended scattering particles in motion (SSPiM) on optical coherence tomography angiography (OCTA) vessel density metrics in eyes with diabetic macular edema (DME) Methods: Thirty-four eyes with DME from 27 patients (16 males and 11 females, 61.4 ± 9.6 years) with DME were included in this retrospective cohort study. Among these eyes, 19 (55.9%) showed the SSPiM artifact on OCTA. All participants received 3-mm and 6-mm optical coherence tomography angiography (OCTA) imaging. Perfusion density and skeletonized vessel density were calculated for the superficial capillary plexus (SCP) and the deep capillary plexus (DCP ...

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