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Ocular irritation potential – scoring method for HET‐CAM test
| Effect | Score | Inference |
|---|---|---|
| no visible haemorrhage | 0 | non‐irritant |
| just visible membrane discolouration | 1 | mild‐irritant |
| partially membrane haemorrhage or discolouration | 2 | moderately irritant |
| totally membrane haemorrhage or discolouration | 3 | severe‐irritant |
