Polypoidal choroidal vasculopathy (PCV) has historically been considered a subtype of neovascular age-related macular degeneration (nAMD). It is characterised by recurrent serosanguinous maculopathy, in which type 1 macular neovascularisation is associated with an abnormal branching network of vessels, along with aneurysmal dilations (polypoidal lesions) located under the retinal pigment epithelium (RPE). Early identification of this type of macular neovascularisation is important since it has implications for patient management.
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