| Comparison of Surgical Results Between Unilateral Recession-Resection and Bilateral Resections in Recurrent Exotropia. |
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Hye Young Park, Mun Hyun Yoo, Dong Gyu Choi |
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Department of Ophthalmology, Kangnam Sacred Heart Hospital, College of Medicine, Hallym University, Seoul, Korea. choi4859@kornet.net |
| 재발된 외사시에서 한 눈 외직근 후전 및 내직근 절제술과 두 눈 내직근 절제술의 비교 |
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박혜영,유문현,최동규 |
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Department of Ophthalmology, Kangnam Sacred Heart Hospital, College of Medicine, Hallym University, Seoul, Korea |
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Correspondence:
Hye Young Park, M.D. |
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| Abstract |
PURPOSE
The purpose of this study was to compare the surgical results between unilateral lateral rectus recession-medial rectus resection (R and R) and bilateral medial rectus resections in recurrent exotropia. METHODS: In this retrospective study, 22 patients with recurrent exotropia of the basic or pseudodivergence excess types were enrolled. In group A (14 patients), unilateral R and R was performed during the first operation, and R and R was performed in contralateral eyes during the second operation. In group B (8 patients), bilateral lateral rectus recessions were performed during the first operation and bilateral medial rectus resections during the second operation. RESULTS: The mean time interval between the first and second operations was 28.9 months (range, 5 to 64 months) in Group A and 59.9 months (range, 35 to 75 months) in Group B, which was a significant difference between the two groups (p=0.006). The success rates at last follow-up after the second operation were 85.7% in Group A and 87.5% in Group B, which was not statistically different between the two groups (p<1.000). CONCLUSIONS: There was no difference in success rate after the second operation between the two groups. Therefore, the operation method for recurrent exotropia can be chosen according to the operator's preference. |
| Key Words:
Bilateral resections;Recurrent exotropia;Second operation;Unilateral lateral rectus recession-medial rectus resection |
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