Where Does Ankylosing Spondylitis Fit In? How does this apply to you if you've been told you have a condition such as ankylosing spondylitis?
[verywellhealth.com]
For example, an adult may have iritis, heel pain (enthesitis), and knee swelling, WITHOUT back pain, psoriasis, a recent infection, or intestinal symptoms.
[spondylitis.org]
Inflammation may also cause: Redness and pain in the eyes (uveitis or iritis).
[arthritis.org]