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Results of anterior transposition of the inferior oblique.

Results of anterior transposition of the inferior oblique.

Authors :
Seawright AA
Gole GA
Source :
Australian and New Zealand journal of ophthalmology [Aust N Z J Ophthalmol] 1996 Nov; Vol. 24 (4), pp. 339-45.
Publication Year :
1996

Abstract

Purpose: We present the results of anterior transposition of the inferior oblique in a series of patients with inferior oblique overaction and dissociated vertical deviation (DVD).<br />Patients and Methods: We performed a retrospective study of 37 procedures on 21 patients who had unilateral or bilateral inferior oblique anterior transpositions. Before surgery, patients had +1 to +3 inferior oblique overaction and +1 (< 10 PD) or +2 (10 PD-20 PD) degree of DVD. The inferior oblique insertion was transposed to between 2 mm posterior to and 2 mm anterior to the temporal border of the inferior rectus insertion. Mean follow-up period was 27 months.<br />Results: Incidence of inferior oblique overaction of +2 or more was reduced from 84% before surgery to 16% at last postoperative assessments. Some 43% of eyes had no inferior oblique overaction and 86% had an improvement in the degree of inferior oblique overaction. At last assessments, 57% of eyes had no evidence of DVD and 68% of eyes had no evidence of DVD or an improvement in the degree of DVD. No patient who had unilateral anterior transposition developed hypotropia in primary position and there was no evidence of inferior oblique underaction in any patient at last assessment. Three patients requiring repeat inferior oblique surgery are discussed, including one patient who developed a large Y-pattern exotropia after bilateral anterior transposition of the inferior obliques.<br />Conclusions: Inferior oblique anterior transposition has a place in the treatment of coexistent inferior oblique overaction and dissociated vertical deviation.

Details

Language :
English
ISSN :
0814-9763
Volume :
24
Issue :
4
Database :
MEDLINE
Journal :
Australian and New Zealand journal of ophthalmology
Publication Type :
Academic Journal
Accession number :
8985546
Full Text :
https://doi.org/10.1111/j.1442-9071.1996.tb01605.x