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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