GRADE

CHARACTERISTICS

I. Normal

Normal facial function in all areas

II. Mild Dysfunction

Gross
· Slight weakness noticeable on close inspection
· May have slight synkinesis
· At rest, normal symmetry and tone

Motion
· Forehead - Moderate-to-good function
· Eye - Complete closure with minimal effort
· Mouth - Slight asymmetry

III. Moderate Dysfunction

Gross
· Obvious but not disfiguring difference between
the two sides
· Noticeable but not severe synkinesis, contracture,
or hemifacial spasm
· At rest, normal symmetry and tone

Motion
· Forehead - Slight-to-moderate movement
· Eye - Complete closure with effort
· Mouth - Slightly weak with maximum effort

IV. Moderately Severe
Dysfunction

Gross
· Obvious weakness and/or disfiguring asymmetry
· At rest, normal symmetry and tone

Motion
· Forehead - None
· Eye - Incomplete closure
· Mouth - Asymmetric with maximum effort

V. Severe Dysfunction

Gross
· Only barely perceptible motion
· At rest, asymmetry

Motion
· Forehead - None
· Eye - Incomplete closure
· Mouth - Slight movement

VI. Total Paralysis

No movement