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Normal Anatomy of the Eye  

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Definition  

Uveitis is inflammation of the uvea. The uvea is the middle layer of the eye (iris and surrounding tissue). It is between the retina and the white of the eye. Uveitis can be chronic (long-lasting) or acute (occurs suddenly). This is a potentially serious condition. It requires care from your doctor to prevent vision loss.

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Causes  

Uveitis can be caused by a trauma to the eye. It can also be caused by an infection, such as:

The underlying cause is usually not known.

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Risk Factors  

Uveitis may occur in people with other health problems and immune system diseases, such as