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Table 1 Surgical amounts for SOMIX trial

From: Surgical treatment versus observation in moderate intermittent exotropia (SOMIX): study protocol for a randomized controlled trial

Deviation angle

Unilateral/bilateral recess surgery

Unilateral recess/resect surgery

(PD)

ULR recession (mm)

BLR recession (mm)

LR recession (mm)

MR resection (mm)

15

6

   

20

8

 

4

3

25

 

5.5

5

3.5

30

 

6

5.5

4

35

 

6.5

6

4.5

40

 

7

6.5

5

45

 

7.5

7

5

50

 

8

7

6

  1. PD Prism diopter, ULR Unilateral lateral rectus, BLR Bilateral lateral rectus, LR Lateral rectus, MR Medial rectus