1. Wide-field optical coherence tomography angiography for the detection of proliferative diabetic retinopathy

    Wide-field optical coherence tomography angiography for the detection of proliferative diabetic retinopathy

    Purpose To compare the ability of wide-field optical coherence tomography angiography (WF-OCTA) to that of ultra-wide field fluorescein angiography (UWF-FA) and ultra-wide-field color fundus photography (UWF-CP) to detect retinal neovascularization (NV) in eyes with proliferative diabetic retinopathy (PDR). Methods In this cross-sectional study, naïve patients with active PDR underwent UWF-FA and UWF-CP using the Optos 200Tx and WF-OCTA with 12 × 12 mm fields of five visual fixations using the PLEX Elite 9000. NV was defined on OCTA when the co-registered B-scan with flow overlay of the vitreoretinal interface (VRI) segmentation showed extraretinal proliferation. Three masked readers examined the UWF-FA ...

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