Exotropia Surgery 40-80Δ (W. Scott)

(from William E. Scott MD)

3 or 4 Muscles

Angle BLRc MRs BMRs
40 7 mm 4 mm -
45 7 mm 5 mm -
50 7 mm 6 mm -
55 7 mm - 4 mm
60 7 mm - 5 mm
65 7 mm - 6 mm
70 7 mm - 7 mm
80 8 mm - 7 mm

Use adjustable suture whenever possible on 1 LR up to 60Δ, on both LR on deviations >60Δ
BLRc= Bilateral lateral rectus recessions
MRs= Medial rectus resection
BMRs= Bilateral medical rectus resections