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Clinical Activity Score (CAS) for thyroid eye disease.
| Score number | Clinical manifestation |
score |
|---|---|---|
| 1 | Spontaneous retrobulbar pain | 1 point |
| 2 | Pain on eye movement | 1 point |
| 3 | Eyelid erythema | 1 point |
| 4 | Conjunctival hyperemia | 1 point |
| 5 | Conjunctival edema | 1 point |
| 6 | Swelling of the caruncle | 1 point |
| 7 | Eyelid swelling | 1 point |
