Table 4. Yanagihara’s Unweighted Grading System

	Scale of five rating	Scale of three rating
At rest	0 1 2 3 4	0 2 4
Wrinkle forehead	0 1 2 3 4	0 2 4
Blink	0 1 2 3 4	0 2 4
Closure of eye lightly	0 1 2 3 4	0 2 4
Closure of eye tightly	0 1 2 3 4	0 2 4
Closure of eye on involved side only	0 1 2 3 4	0 2 4
Wrinkle nose	0 1 2 3 4	0 2 4
Whistle	0 1 2 3 4	0 2 4
Grin	0 1 2 3 4	0 2 4
Depress lower lip	0 1 2 3 4	0 2 4