Score | Retinal tissue infiltrate | Optic disc | Retinal atrophy | Retinal detachment | Vasculitis | Haemorrhages | Fluorescein leakage | Vitreous haze |
---|---|---|---|---|---|---|---|---|
0 | <5 small lesions | No inflammation | Absent | Absent | Absent | Absent | Absent | Fundus details clearly visible |
1 | >5 small linear lesions | Minimal inflammation | Absent | Absent | Minimal thickening | Absent | Mild | Fundus details clearly visible |
2 | >5 medium linear lesions | Mild inflammation | Absent | Absent | Minimal thickening and localised severe thickening | Absent | Moderate | Fundus details clearly visible |
3 | >5 large linear lesions | Moderate inflammation | Absent | Absent | Localised severe thickening on all vessels or one vessel grossly affected | Present | Severe | Fundus details visible |
4 | Confluent large linear lesions | Severe inflammation | Present | Present | One or all vessels grossly affected | Present | Severe | Fundus details slightly unclear |
5 | Confluent large linear lesions | Severe inflammation | Present | Present | One or all vessels grossly affected | Present | Severe | Fundus details not visible |