Clinical criteria for stromal herpetic keratitis or keratouveitis caused by herpes simplex or varicella zoster virus (group 1) and non-herpetic keratitis (group 2)
| Stromal herpetic keratitis and keratouveitis (group 1) (the diagnosis was made if at least five of the criteria were satisfied, one had to be the exclusion of systemic granulomatous disease) |
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| • Exclusion of systemic granulomatous disease |
| • Documented recurrent stromal keratitis |
| • Interstitial keratitis with deep stromal vascularisation or acute stromal necrosis |
| • Sector granulomatous iritis, iris stroma haemorrhage, or sector atrophy of the iris |
| • History of dendritic keratitis |
| • Documented stromal disciform keratitis with endothelial precipitates |
| • Marked corneal hypoaesthesia |
| • Secondary glaucoma |
| • Documented response to combined systemic aciclovir and local steroid treatment |
| Non-herpetic keratitis and keratouveitis (group 2) (inflammatory corneal disease with no evidence of herpetic keratitis, that is) |
| • Interstitial keratitis without a history of recurrent inflammatory episodes |
| • Viral keratitis of known other origin (varicella zoster, adenovirus) |
| • Keratitis associated with systemic rheumatic or autoimmune disease |
| • Bacterial or mycotic keratitis without recurrence |