Diagnostic tool | Abnormal findings | |
---|---|---|
Acute phase | Final phase | |
Color photograph | Yellow-white subfoveal exudation | Yellow-grey central subretinal fibrosis |
AF | Central hypoautofluorescence due to masking effect | Central hypoautofluorence surrounded by a large hyperautofluorescent area |
RF | Central light area corresponding to the exudates | Central dark round area corresponding to the fibrosis |
NIR | Central dark area with low infrared reflectance | Central bright area with increased infrared reflectance |
SD-OCT | Subretinal exudates shaped as multiple concentric highly reflective layers, intraretinal cystoid spaces, choroidal thickening | Subfoveal fibrosis, intraretinal cystoid spaces, severely damaged outer retinal layers |
FA-ICG | Central hypofluorescence, pooling and mild leakage of dye, absence of a neovascular network | Central hypofluorescence, a surrounding large hyperfluorescent area, mild pooling |