Uveitis (cont.)

What Are the Symptoms of Uveitis?

Symptoms of uveitis may include:

• Eye redness and irritation
• Blurred vision
• Eye pain
• Increased sensitivity to light
• Floating spots before the eyes

Uveitis may develop rapidly, and it is very important that you see your ophthalmologist for a complete eye examination if you develop these symptoms, especially if a painful, red eye does not clear up quickly.

Left untreated, uveitis may permanently damage your vision.

What Causes Uveitis?

Uveitis has many potential causes, including infection with a virus, fungus, bacteria or parasite, inflammatory disease affecting other parts of the body, or injury to the eye.

There are four types of uveitis:

• Iritis is the most common form of uveitis. It affects the iris and is often associated with autoimmune disorders such as rheumatoid arthritis. Iritis may develop suddenly and may last up to eight weeks, even with treatment.
• Cyclitis is an inflammation of the middle portion of the eye and may affect the muscle that focuses the lens. This also may develop suddenly and last several months.
• Retinitis affects the back of the eye. It may be rapidly progressive, making it difficult to treat. Retinitis may be caused by viruses such as shingles or herpes and bacterial infections such as syphilis or toxoplasmosis.
• Choroiditis is an inflammation of the layer beneath the retina. It may also be caused by an infection such as tuberculosis.

Retinitis and choroiditis can each be caused by an autoimmune disease such as rheumatoid arthritis or lupus. In a large number of cases, the cause of uveitis is not known, but it is often related to stress.

Next: How is uveitis diagnosed? »

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