H30: Chorioretinal inflammation
H30.1: Disseminated chorioretinal inflammation
The choroid is the middle layer in the eye sheath. It lies between the sclera and the retina. There are lots of blood vessels in this layer. The choroid supplies the retina below it with oxygen and nutrients. The retina is a layer inside the eye. It contains a lot of sensory cells that can perceive light. There are sensory cells for colors and sensory cells for light and dark. The sensory cells pass the information on to the nerve cells in the optic nerve.
Since the choroid and the retina are very close to each other they can both be affected by disorders. With certain disorders, however, only the choroid or only the retina is affected. More than one site in the area of your choroid and retina is inflamed.
If your choroid and retina become inflamed, your vision may deteriorate. You may perceive black spots in your field of vision. The eye may turn red. Your eye may also be painful, or you may find bright light unpleasant.
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