Nov 5, 2024 · What is the choroid? The choroid is a part of the uvea, the middle layer of your eyeball’s outer wall. It’s a key supplier of blood to some of your eyes’ most critical structures. The choroid (pronounced “KOR-oid”) also plays a role in how light acts inside your eye, making it a crucial part of how you see the world around you.

The choroid, also known as the choroidea or choroid coat, is a part of the uvea, the vascular layer of the eye. It contains connective tissues, and lies between the retina and the sclera.

Choroid plexus papilloma – Rare, benign brain tumor that develops in the choroid plexus (tissue that makes cerebrospinal fluid). Chorioretinitis – Inflammation of the choroid caused by infection or an autoimmune disease. Choroideremia – A hereditary, progressive deterioration of the choroid; this condition primarily affects men.

Oct 30, 2023 · The choroid forms part of the vascular layer of the eyeball, along with the ciliary body and iris. It is a thin, pigmented vascular connective tissue layer of the eyeball that extends from the ora serrata to the optic nerve (CN II).

Jan 22, 2025 · The choroid is a vascular layer of the eye located between the retina and the sclera (the white outer layer of the eye). It is rich in blood vessels and provides oxygen and nutrients to the outer layers of the retina.

Jul 19, 2023 · Chorioretinitis — a type of posterior uveitis — is inflammation of your retina and choroid. As your choroid supports your retina’s outer layers, inflammation can lead to complications that threaten your vision. Immediate treatment by a healthcare provider is critical.

Mar 28, 2016 · The part of your eye between the sclera and the retina. The choroid is part of the uvea, and it contains blood vessels and connective tissue.