(Chorioretinitis; CR; Choroiditis; Iritis; Pars Planitis)
DefinitionPosterior uveitis is inflammation of the back segment of the uvea. The uvea is the middle layer of the eye. Posterior uveitis affects the retina and choroid, which are layers found in the back of the eye. The retina has the rods and cones that allow you to see.It is a potentially serious condition. It requires care from your doctor to prevent vision loss.
|Anatomy of the Eye|
|Copyright © Nucleus Medical Media, Inc.|
CausesPosterior uveitis may be caused by infection or by autoimmune disorders. It may also appear as a result of an infection in the past.
Risk FactorsFactors that may increase your chance of posterior uveitis include:
- Autoimmune disorders, such as:
- Infections, such as:
- Weak immune status
- Exposure to pets, raw or undercooked meat, or contaminated water
- HLA-A29 gene
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