Score* for reaction to conjunctival provocation test. Test is judged positive for study if total score is ⩾4 with positive redness and itching
| Symptoms | Score |
|---|---|
| *Score from Abelson et al.5 | |
| Redness of conjunctivitis | 0 = none |
| 1 = slight | |
| 2 = moderate | |
| 3 = severe | |
| Chemosis | 0 = none |
| 1 = discreet (detectable with slit lamp, conjunctiva separate from sclera) | |
| 2 = moderate (clearly visible, conjunctiva raised in inferior part) | |
| 3 = severe (swollen conjunctiva) | |
| Watering | 0 = none |
| 1 = slight | |
| 2 = moderate (occasional nasal flow) | |
| 3 = severe (tears running down cheeks) | |
| Pruritis (self evaluated) | 0 = none |
| 1 = slight (occasional tingling sensation) | |
| 2 = moderate (permanent hindrance but no need to rub eye) | |
| 3 = severe (permanent hindrance with need to rub eye) | |
| 4 = unbearable pain (compulsive desire to rub eye) | |