From: Surgical outcomes of adjustment on recessed lateral rectus muscle versus resected medial rectus muscle for intermittent exotropia
Deviation (PD)
Bilateral LR Rec (mm)
Unilateral R and R (mm)
Unilateral R and R with LR rec on the other eye (mm)
18 – 20
6
6/5
-
25
6.5
7/5
30
7
7/6
35
8
7.5/6
40
8.5
8/6.5
45
9
8.5/6.5
50
9/7
55
7/6, 8
60
7/6, 9
65
8/7, 9