Iritis_CD - Learning Issue: Iritis or Anterior Uveitis...

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Learning Issue: Iritis or Anterior Uveitis Name: Catherine Dunn Definition Iris is made up of muscular fibers that control the amount of light entering the pupil The iris accomplishes this task by making the pupil smaller in bright light and larger in dim light. The iris is the front part of the uveal tract of the eye (the iris in the front and the ciliary body and uveal tract behind it). Iris can become inflamed Etiology Iritis may be a consequence of trauma (traumatic iritis) or nontraumatic causes. In a significant number of cases, no cause for the iritis is found. * Blunt trauma to the eye can cause traumatic inflammation of the iris. * Nontraumatic iritis is frequently associated with certain systemic diseases (diseases that affects multiple locations throughout the body), such as ankylosing spondylitis*, Reiter syndrome*, sarcoidosis*, tuberculosis*, inflammatory bowel disease*, and psoriasis*. Noteworthy of special attention is iritis associated with juvenile rheumatoid arthritis . * Infectious causes may include Lyme disease, tuberculosis, toxoplasmosis, syphilis, and
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Iritis_CD - Learning Issue: Iritis or Anterior Uveitis...

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