The Comparision of Outcomes Between Lateral Rectus Muscles Re-recession and Medial Rectus Muscles Resection in Recurrent Exotropia

Published on Jun 1, 2008in Korean Journal of Ophthalmology2.597
路 DOI :10.3341/KJO.2008.22.2.111
Ko-i Chun2
Estimated H-index: 2
(Yonsei University),
Sang-Hoon Rah5
Estimated H-index: 5
(Yonsei University)
The purpose of strabismus surgery is to realign the deviated eyeball. However, regardless of the application of the best surgical technique, strabismus always has a possibility to require resurgery.1 After surgery, in cases with recurrent exotropia with time, if diplopia were developed, for the cases whose binocular vision could not be maintained or the deviation were severe to the level that strabismus were shown in appearance, resurgery is required.2 For exotropia surgery, bilateral lateral rectus muscles recession or unilateral recession and resection has been generally used.3 Upon recurrence of exotropia, surgical procedure of resurgery is determined depending on the first surgery procedure.4 The patients who had bilateral lateral rectus muscles recession for the first surgery, primarily, medial rectus muscle resection is applied for the second surgery, and although rare, lateral rectus muscles re-recession may be performed.4 Lateral rectus muscles re-recession has the advantage that unoperated muscles could be conserved maximally. Nevertheless, reports on the re-recession amount is rare, therefore, after excessive lateral rectus muscles re-recession, abduction impairment of the rectus muscles may be induced. We compared the surgical outcome of patients who had bilateral lateral rectus muscles re-recession with patients who had bilateral medial rectus muscles resection for exotropia recurred after the first bilateral lateral rectus muscles recession surgery, and assessed the successful re-recession amount for procedure.
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