The efficacy of bilateral lateral rectus recession according to secondary deviation measurements in unilateral exotropic Duane retraction syndrome

Daphna Mezad-Koursh*, Ari Leshno, Ainat Klein, Chaim Stolovich

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

Purpose: To evaluate the surgical results of asymmetric bilateral lateral rectus recession in exotropic Duane retraction syndrome with abnormal face turn toward the opposite side according to secondary deviation measurements. Methods: Retrospective chart review. Results: Seven cases of unilateral exotropic Duane retraction syndrome were reviewed. All cases had globe retraction on adduction and exotropia with limited adduction, five of which also had mild limitation of abduction. Four cases had upshoot/downshoot on adduction and all patients had face turn. Exotropia was measured in forced primary position. The average lateral rectus recession was 6.36 mm (range: 5.5 to 7.5 mm) in the affected eye and 7.36 mm (range: 6.5 to 8.5 mm) in the healthy eye. The mean follow-up period was 282 days. Mean exotropia in the forced primary position improved from 27.9 ± 5.7 prism diopters (PD) preoperatively to 7.9 ± 16.8 PD postoperatively (P = .025). Head position resolved completely in all but one case (P = .031). There were no significant changes in ductions. Conclusions: The results suggest that asymmetric bilateral lateral rectus recession in exotropic Duane retraction syndrome with abnormal head turn posture successfully eliminates abnormal head turn posture and exotropia in most cases.

Original languageEnglish
Pages (from-to)47-52
Number of pages6
JournalJournal of Pediatric Ophthalmology and Strabismus
Volume55
Issue number1
DOIs
StatePublished - 1 Jan 2018

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