Progress and Research in Pachychoroid Spectrum Disease

The pachychoroid spectrum disease includes central serous chorioretinopathy, pachychoroid pigment epitheliopathy, pachychoroid neovascularization and polypoidal choroidal vasculopathy. A spectrum of diseases with a pachychoroid-driven process have features of an increase in choroidal thickness and dilated choroidal vessels in common. The investigation of mechanism and image features may help us to diagnose this kind of disease and give us the right directions to study in future steps. Key words: pachychoroid spectrum disease; pachychoroid pigment epitheliopathy; pachychoroid neovascularization