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Case Reports
. 1998 May;26(2):171-3.
doi: 10.1111/j.1442-9071.1998.tb01537.x.

Inferior rectus rupture following blowout fracture

B Sloan  1 , A A McNab
Affiliations
Case Reports

Inferior rectus rupture following blowout fracture

B Sloan et al. Aust N Z J Ophthalmol. 1998 May.

Abstract

Background: Extra-ocular muscle rupture is uncommon, usually seen after penetrating trauma or surgery. It is a very rare cause of diplopia following blunt orbital trauma.

Methods: A patient who presented with no inferior rectus function after blunt orbital trauma is described.

Results: Computed tomography (CT) scans demonstrated a large orbital floor fracture and suggested that the inferior rectus muscle was ruptured. This was confirmed at operation. Despite anatomical repair, there was no postoperative improvement in ocular motility.

Conclusions: Traumatic rupture of the inferior rectus is rare. Forced duction and force generation testing and CT are important in diagnosing ocular motility defects following orbital trauma.

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Comment in

  • Snapped inferior rectus.
    Romano PE. Romano PE. Aust N Z J Ophthalmol. 1998 Nov;26(4):347-8. doi: 10.1111/j.1442-9071.1998.tb01347.x. Aust N Z J Ophthalmol. 1998. PMID: 9843268 No abstract available.

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