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Nasolacrimal Duct Obstruction Symptom Score after surgery at subsequent follow-up visits
| 1 week | 1 month | 3 months | 6 months | 12 months | ||
| 1 | Tearing | 2 | 2 | 2 | 2 | 2 |
| 2 | Irritation | 1 | 1 | 1 | 1 | 1 |
| 3 | Pain | 2 | 1 | 1 | 1 | 1 |
| 4 | Discharge | 0 | 0 | 1 | 0 | 1 |
| 5 | Swelling | 1 | 0 | 1 | 0 | 0 |
| 6 | Visual acuity | 2 | 2 | 2 | 1 | 2 |
