Grade | Description | Conclusion |
0 | No reaction | Negative |
1 | Ecchymosis, blood extravasation on the eyelid related to the injection | Negative |
2 | No swelling, variable degree of erythema | Negative |
3 | Varying degree of erythema with minimal swelling, slight swelling without erythema | Suspicious |
4 | Moderate swelling with drooping of the eyelid, variable degree of erythema | Positive |
5 | Severe swelling and/or necrosis of eyelid | Positive |