Table 3.
Classification of severity of Graves’ orbitopathy
| Degree of severity | Features |
|---|---|
| Mild | One or more of: |
| Lid retraction <2 mm | |
| Mild soft tissue involvement | |
| Exophthalmos <3 mm above normal | |
| No/intermittent diplopia | |
| Moderate to severe | Two or more of: |
| Lid retraction ≥2 mm | |
| Moderate‐to‐severe soft tissue involvement | |
| Exophthalmos ≥3 mm above normal | |
| Inconstant/constant diplopia | |
| Sight threatening | Presence of DON and/or corneal breakdown |
Note: Adapted from Bartalena et al. [80].
Abbreviation: DON, dysthyroid optic neuropathy.