Journal article

The snapped inferior rectus

L Kowal, S Wutthiphan, P McKelvie

Australian and New Zealand Journal of Ophthalmology | Published : 1998


Purpose: To evaluate the management and possible aetiology of the snapped inferior rectus muscle in strabismus surgery. Methods: Three patients are described whose inferior rectus muscle broke across its width some 8- 10mm behind the insertion while being held on a squint hook without excessive force during strabismus surgery. The proximal part of the muscle was not found. The distal part of the snapped muscle was excised for pathological examination. Transposition of the inferior halves of the adjacent horizontal muscles to the insertion of the inferior rectus (a modified inverse-Knapp procedure) was performed in all cases. Results: After the transposition surgery, one patient was orthotrop..

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