Abstract
To compare the efficacy of optical coherence tomography angiography (OCTA) and indocyanine green angiography (ICGA) for detecting nonexudative macular neovascularization (MNV) in age-related macular degeneration (AMD). In this prospective study, patients with a new diagnosis of exudative AMD in 1 eye were imaged using OCTA, fluorescein angiography (FA), and ICGA in both eyes. The rates at which these imaging modalities detected nonexudative MNV in the nonexudative fellow eye were then compared. This study comprised 41 eyes with a mean follow-up was 14 months. Nonexudative MNV was found in 3 eyes using OCTA and ICGA. No MNV exudation was detected on FA or structural OCT. One of 3 eyes with MNV progressed to exudative disease 6 months after the initial visit. During the follow-up, 5 of the 38 eyes without MNV developed exudation at 4 to 18 months. OCTA is similarly effective as ICGA at detecting nonexudative MNV patterns.
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