House-Brackmann Grade | Description |
|
Normal function in all parts of the facial nerve |
2. Mild Dysfunction | At Rest: Normal
Forehead: moderate to good function Eyes: Complete closure with mild effort Mouth: Mild asymmetry |
3. Moderate Dysfunction | At Rest: Normal
Forehead: moderate function Eyes: Complete closure with effort Mouth: weakness with maximal effort |
4. Moderately Severe Dysfunction | At Rest: Normal
Forehead: no movement Eyes: Incomplete closure Mouth: asymmetry with maximal effort |
5. Severe Dysfunction | At Rest: Asymmetry obvious
Forehead: no movement Eyes: incomplete closure Mouth: Minimal movement |
6. Total Palsy | No movement with any parts of the facial nerve |
Reference:
House JW, Brackmann DE. Facial nerve grading system. Otolaryngol Head Neck Surg. 1985;93(2):146-7.