Distance of Muscle 5 from Limbus: (A) 4.5 mm, (B) 5.5 mm, (C) 7,6 mm, (D) 10 mm
Answer is B. 5.5 mm (Muscles shown: 1 Superior rectus, 2 Lateral rectus, 3 Inferior rectus, 4 Inferior Oblique, 5 Medial rectus, 6 Superior oblique)