Researchers have identified several genes linked to the condition. This disease is most common in people over 55. This may cause irregularities in the macula layers, resulting in vision loss or distortion.įactors that may increase your risk of macular degeneration include: When fluid leaks from the choroid, it can collect between the thin cell layer called the retinal pigment epithelium and the retina or within the layers of the retina. Vision loss caused by fluid buildup in the back of the eye.These blood vessels may leak fluid or blood, affecting the retina's function. The choroid is the layer of blood vessels between the retina and the outer, firm coat of the eye, called the sclera. ![]() This is known as choroidal neovascularization. Sometimes irregular new blood vessels grow from the choroid under and into the macula.
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