1. RESIDUAL CHOROIDAL VESSELS IN ATROPHY CAN MASQUERADE AS CHOROIDAL NEOVASCULARIZATION ON OPTICAL COHERENCE TOMOGRAPHY ANGIOGRAPHY: Introducing a Clinical and Software Approach

    RESIDUAL CHOROIDAL VESSELS IN ATROPHY CAN MASQUERADE AS CHOROIDAL NEOVASCULARIZATION ON OPTICAL COHERENCE TOMOGRAPHY ANGIOGRAPHY: Introducing a Clinical and Software Approach

    Purpose: To present a postprocessing approach in optical coherence tomography angiography (OCTA) to facilitate the visualization and interpretation of lesions in age-related macular degeneration with coexisting atrophy and choroidal neovascularization (CNV). Methods: This retrospective study included 32 eyes of 26 patients with atrophy and treated CNV and 8 eyes with treatment-naive geographic atrophy. En face optical coherence tomography slabs highlighting atrophy were pseudocolored and merged with the corresponding OCTA. Cross-sectional optical coherence tomography and postprocessed OCTA were analyzed to identify CNV and normal choroidal vessels in relationship to the atrophy. We correlate the OCTA findings with those in a donor ...

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