- Assoc w/autoimmune dz→ ankylosing spond, sarcoid, reactive arthritis, behcet's dz, IBD
- Infxn→ HSV, secondary syphillis, VZV, TB; often idiopathic
- Photophobia
- Impaired vision
- Decreased acuity
- Irreg appearance of pupil
- Circumferential redness at cornea-sclera junction
- Sometimes layered pus in anterior chamber→ hypopyon
- Other systemic manifestations of the primary disease
- Can have pan-uveitis