Table 3.

American Uveitis Society Criteria for Diagnosis of ARN Syndrome (33).

One or more foci of retinal necrosis with discrete borders, located in the peripheral retina *
Rapid progression in the absence of antiviral therapy
Circumferential spread
Occlusive vasculopathy with arteriolar involvement
Prominent vitritis, anterior chamber inflammation
Optic neuropathy/atrophy, scleritis, pain supportive but not required

^*Macular lesions do not exclude the diagnosis in the presence of peripheral retinitis. Am J Ophthamol. 1994; 117:663-667 (33)