Muscle

Number of eyes

Mean ± SD, mm

Minimum - maximum value, mm

Medial rectus

170

5.73 ± 2.03

2.8 - 13

Lateral rectus

170

4.49 ± 1.6

1.8 - 9.9

Superior muscular complex

170

5.48 ± 1.6

1.2 - 11.4

Inferior rectus

170

5.95 ± 1.84

2.1 - 12.0

Muscle thickness sum (MTS)

170

21.62 ± 5.61

12.4 - 42.9