Fig. 33.
Progressive supranuclear palsy.
A.
Volitional up-gaze absent.
B
and
C
. Horizontal gaze relatively spared.
D.
Volitional down-gaze absent. Oculocephalic (doll's head) maneuvers roll eyes downward (head back) (
E
) and upward (chin down) (
F
).
