Diagnostic criteria for polypoidal choroidal vasculopathy were proposed as follows on the basis of fundus examination and/or indocyanine-green angiographic (IA) findings. Definite cases meet at least one of the following criteria: 1. Protruded orange-red elevated lesions are observed by fundus examination. 2. Characteristic polypoidal lesions are seen in IA findings. ing criteria: 1. Only an abnormal vascular network is seen in IA. 2. Recurrent hemorrhagic and/or serous detachments of the retinal pigment epithelium are observed.