label: choroidal neovascularization
label_lc: choroidal neovascularization
description: "An eye disorder described by the growth of new blood vessels that originate from the choroid through a break in the Bruch membrane into the sub–retinal pigment epithelium (sub-RPE) or subretinal space. Choroidal neovascularization (CNV) is a major cause of visual loss."