. Author manuscript; available in PMC: 2022 Aug 1.

Published in final edited form as: Am J Ophthalmol. 2021 Apr 15;228:117–125. doi: 10.1016/j.ajo.2021.03.049

Table 2.

ASAS Classification Criteria for Peripheral Spondyloarthritis (SpA)

Arthritis (peripheral) or enthesitis or dactylitis

plus

≥1 Spondyloarthritis feature

• Uveitis

• Psoriasis

• Crohn disease/ulcerative colitis

• Preceding infection

• HLA-B27

• Sacroiliitis on imaging

≥2 other Spondyloarthritis features

• Arthritis

• Enthesitis

• Dactylitis

• Inflammatory back pain

• Family history for SpA

Adapted from Rudwaleit M, van der Heijde D, Landewe R, et al. The Assessment of SpondyloArthritis internation Society classification criteria for peripheral spondyloarthritis and for spondyloarthritis in general. Ann Rheum Dis 2011;70:25–31.