Optical Coherence Tomography Angiography Study of Choroidal Neovascularization Associated With Focal Choroidal Excavation

摘要

The authors report the use of optical coherence tomography angiography (OCTA) (DRI OCT Triton; Topcon, Tokyo, Japan) to localize, characterize, and confirm the presence of a choroidal neovascular membrane in a patient of focal choroidal excavation (FCE) with recent-onset metamorphopsia and visual blurring. En face OCTA images just above the level of the retinal pigment epitheliumBruch's membrane complex typically showed the presence of a glomerulus-like neovascular network with an adjacent dark area suggestive of a Type 2 choroidal neovascularization (CNV). OCTA was found to be a very useful, noninvasive, and quick imaging modality to detect secondary CNV formation in a case of FCE.