Fig. 1

Photographs illustrating the inferior oblique button tuck (IOBT) procedure (right eye, surgeon’s view). (A) A 5 − 0 non-absorbable suture is pre-placed in the muscle belly, positioned 11 mm from the muscle insertion. (B) The belly of the inferior oblique muscle is secured to the sclera, 5 mm posterior to the temporal insertion of the inferior rectus muscle. (C) The suture (arrow) is fixed 5 mm posterior to the temporal side of the inferior rectus muscle