title: Anterior nasal transposition of the inferior oblique muscle can cause antielevation syndrome.
abstract: We present a case of acquired severe excyclotropia that occurred following multiple orbital wall fracture and traumatic superior oblique palsy in an 18-year-old man. The patient suffered from severe torsional diplopia in the right eye; double Maddox rod testing showed excylotorsion of 25°. After anterior nasal transposition of the right inferior oblique muscle, His subjective torsional diplopia improved; however, severe antielevation syndrome was noted after surgery.
authors.affiliation: Department of Ophthalmology, Severance Hospital, Institute of Vision Research, Yonsei University College of Medicine, Seoul, Korea. Electronic address: jinuhan@yuhs.ac.
authors.forename: Jinu
authors.initials: J
authors.lastname: Han
authors.affiliation: Department of Ophthalmology, Severance Hospital, Institute of Vision Research, Yonsei University College of Medicine, Seoul, Korea.
authors.forename: Minjae
authors.initials: M
authors.lastname: Kang
authors.affiliation: Department of Ophthalmology, Severance Hospital, Institute of Vision Research, Yonsei University College of Medicine, Seoul, Korea.
authors.forename: Sueng-Han
authors.initials: SH
authors.lastname: Han
mesh_terms: D000063:Accidents, Traffic; D000293:Adolescent; D004172:Diplopia / Q000601:surgery*; D006801:Humans; D008297:Male; D015835:Ocular Motility Disorders / Q000209:etiology*; D009801:Oculomotor Muscles / Q000637:transplantation*; D013508:Ophthalmologic Surgical Procedures / Q000009:adverse effects*; D009917:Orbital Fractures / Q000000981:diagnostic imaging / Q000601:surgery*; D014057:Tomography, X-Ray Computed; D020432:Trochlear Nerve Diseases / Q000175:diagnosis / Q000601:surgery