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About Uveitis

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Uveitis is inflammation of the part of the eye called the uvea

Uveitis (pronounced YOU-Vee-Eye-Tis) is a word that refers to inflammation of the part of the eye called the uvea (YOU-Vee-Ah). In posterior segment uveitis, the inflammation is in the back of the eye and may affect the retina, choroid (middle wall of the eye), and/or optic nerve. Posterior segment uveitis is one of the least common forms of uveitis but is the form most associated with vision loss.
symptoms of uveitis present in the eye

If you or a loved one has been diagnosed with posterior uveitis, understanding the condition is an important first step in managing symptoms. Uveitis (pronounced YOU-Vee-Eye-Tis) is a general term that refers to inflammation of the part of the eye called the uvea (YOU-Vee-Ah).

Uveitis causes

There are 2 types of uveitis—infectious and non-infectious. In some cases, the uveitis causes are unknown.

Image of a virus, which may be a cause of uveitis

Infectious causes:

  • Bacterial infection
  • Fungal infection
  • Parasitic infection
  • Viral infection
An eye with inflammation, which may be a cause of uveitis

Non-infectious causes:

  • Autoimmune disorders
  • Allergies
  • Malignancies (tumors)
  • Trauma

Understanding the cause of posterior segment uveitis will help your eye doctor choose the right treatment. You should tell your eye doctor any uveitis symptoms you are experiencing. Find more information about common uveitis symptoms.

*People pictured are not real patients unless otherwise noted.

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