Short-term complication by symptom onset during the first or second 3-week period of topical MMC treatment
| Transient/short-term complications | First 3 weeks | Second 3 weeks | Total |
| Hyperaemia | 2 | 6 | 8 (14%) |
| Allergy/lid swelling | 4 | 7 | 11 (28%) |
| Epiphora | 0 | 4 | 4 (7%) |
| Discharge | 0 | 1 | 1 (2%) |
| Keratoconjunctivits, mild | 4 | 4 | 8 (14%) |
| Uveitis | 1 | 2 | 3 (5%) |
| Corneal abrasion | 0 | 2 | 2 (3%) |
| Corneal oedema | 1 | 0 | 1 (2%) |
| Pyogenic granuloma | 0 | 1 | 1 (2%) |
| Nosebleeds | 1 | 0 | 1 (2%) |
| Total | 13 | 27 | 40 in 30 patients (52%) |