| Severity score(si) |
Descriptionofthe severity |
| 0 |
Stage 0: no subjective or visible reaction |
| 1 |
Stage 1: itching, reddening, foreign body sensation |
| 2 |
Stage 2: stage 1+tearing, vasodilation of conjunctiva bulbi
(threshold value) |
| 3 |
Stage 3: stage 2+vasodilation and erythema of conjunctiva
tarsi, blepharospasm |
| 4 |
Stage 4: stage 3+chemosis, lid swelling (did not occurred
during this study) |
