Journal List > J Korean Ophthalmol Soc > v.51(7) > 1008866

J Korean Ophthalmol Soc. 2010 Jul;51(7):992-997. Korean.
Published online July 20, 2010.  https://doi.org/10.3341/jkos.2010.51.7.992
Copyright © 2010 The Korean Ophthalmological Society
Augmented Asymmetric Lateral Rectus Recession in Intermittent Exotropia With Fixing Eye
Hyun Jai Song, MD and Hye Jung Paik, MD, PhD
Department of Ophthalmology, Gachon University Gil Hospital, Incheon, Korea.

Address reprint requests to Hye Jung Paik, MD, PhD. Department of Ophthalmology, Gachon University Gil Hospital, #1198, Kuwol-dong, Namdong-gu, Incheon 405-760, Korea. Tel: 82-32-460-3364, Fax: 82-32-460-3358, Email: hjpaik@gilhospital.com
Received January 18, 2010; Accepted May 14, 2010.

Abstract

Purpose

To document and compare the clinical results of symmetrical rectus muscle recession and asymmetrical rectus muscle recession in intermittent exotropia.

Methods

The medical records of 27 patients who had symmetric bilateral rectus recession and 24 patients who had asymmetric bilateral rectus recession for intermittent exotropia with at least six months of postoperative follow-up from March 2004 to March 2007 were reviewed retrospectively. The authors performed a recession of 2 mm or greater in the deviating eye than in the fixing eye.

Results

The mean age was 7.14±4.23 (range 3 to 15) years for symmetric bilateral rectus recession and 7.33±4.01 (range 3 to 14) years for asymmetric bilateral rectus recession. The mean follow-up was 11.83±5.74 (range 6 to 26) months in the symmetric bilateral rectus recession group and 11.14±5.05 (range 6 to 30) months in the asymmetric bilateral rectus recession group. The mean preoperative angle deviations were 27.5±4.8 prism diopter (PD) (range 30 to 40PD) and 27.3±4.6PD (range 20 to 40PD) in each group. The outcome of final follow-up (postoperative 24 months) was favorable in both groups, and slightly more successful in the asymmetric bilateral recession group but not a statistically significant amount (75.5% in the symmetric bilateral recession group and 81.2% in the asymmetric bilateral recession group).

Conclusions

The present study suggests that there are no significant differences at postoperative 24 months between symmetric bilateral recession and asymmetric bilateral recession in intermittent exotropia having a fixing and a deviating eye.

Keywords: Intermittent exotropia; Fixing eye; Symmetric lateral rectus recession; Asymmetric lateral rectus recession

Tables


Table 1
Patient characteristics of symmetric and asymmetric recession groups
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Table 2
Comparison of preoperative deviation between symmetric and asymmetric recession group
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Table 3
Comparison of preoperative best corrected visual acuity (BCVA) between symmetric and asymmetric recession group
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Table 4
Comparison of preoperative stereopsis between symmetric and asymmetric recession group
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Table 5
Surgical outcome at postoperative 6, 12 and 24 months of follow-up between symmetric recession group and asymmetric recession group
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