Increased levels of IL8 have been described in blood and vitreous of uveitis patients with Behçet’s disease [36,37] and IL8 was significantly increased in tears of children with Juvenile Idiopathic Arthritis-associated Uveitis during an episode of active uveitis, but not in quiescent stage [38]. This evidence concerns the gene CXCL8 and Behcet disease.