What are some common disorders or diseases of the choroid?

The choroid is a layer of blood vessels located between the retina and the sclera at the back of the eye. While it plays a vital role in supplying nutrients and oxygen to the retina, it can also be affected by various disorders or diseases. Some common disorders of the choroid include choroidal neovascularization (CNV), which involves the growth of abnormal blood vessels, resulting in vision loss; central serous chorioretinopathy (CSCR), characterized by fluid accumulation under the retina, leading to blurred or distorted vision; and choroidal melanoma, a type of eye cancer that can cause vision loss and spread to other parts of the body. Other conditions, such as choroidal atrophy, inflammation (choroiditis), or blockage of choroidal blood vessels, can also impact the health of the choroid and ultimately affect vision.

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