Conjunctival impression cytology parameters with the scoring system and the classes of cytology
| Parameters | Normal | Borderline | Abnormal |
|---|---|---|---|
| Specimen cellularity | 0 | 1 | 2 |
| Cell to cell junction | 0 | 1 | 2 |
| Nucleus/cytoplasm ratio | 0 | 1 | 2 |
| Nuclear chromatin | 0 | 1 | 2 |
| Goblet cells distribution | 0 | 1 | 2 |
| Keratinisation | 0 | 1 | 2–3 |
| Inflammatory cells presence | 0 | – | 2–3 |
| Classes of cytology | ||
|---|---|---|
| Class | Score | Feature |
| A | 0–3 | Normal |
| B | 4–6 | Borderline |
| C | > 6 | Abnormal |