Pre-Op Exam




ET 65 in upgaze ET>90 in (R) gaze Abduction -3 RET 65 in primary position ET 50 in (L) gaze ET 65 in downgaze

Note:
Muscle-force generation test: (R) lateral rectus +3
Forced-duction test OD: (R) medial rectus +3 tight
Abduction saccades OD: -1 (almost normal)

Diagnosis

(R) VIth nerve palsy (partial recovery)

Surgery

(R) Medial recession 8
(R) Lateral resection 10
(L) Medial recession 8

Post-Op Exam




ET 0 in (R) gaze aAbduction OD normal ET 0 in primary position XT 20 in (L) gaze adduction OD -2

Post-Op Exam - Full Face

Note:
straight eyes and normal head
posture in primary gaze position

Case Atlas