Your patient with Crohn's Disease complains of eye pain and photophobia. This is likely related to:
A. Symptoms of temporal arteritis
B. Altered pupil response due to uveitis
C. Blurry vision due to bilateral cataracts
D. Subconjunctival hemorrhage
ANS: B
Uveitis involves inflammation of the uveal tract, including the iris. The inflammation may be caused either by infection or as part of a reaction associated with a systemic disorder. For instance, an increased incidence of uveitis is associated with autoimmune disorders, such as Crohn's disease, ankylosing spondylitis, and HIV infection. The vision changes associated with uveitis stem from altered responsiveness of the pupil and lens. Patients commonly experience both photophobia and eye pain. There is a ciliary flush and, usually, a constricted pupil.
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