| Clinical Results of Unilateral Medial Rectus Recession in Consecutive Esotropia and Non-accommodative Esotropia. |
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Gil Hwa Hyun, Tae Yoon La, Young Chun Lee |
1Department of Ophthalmology, College of Medicine, Inje University.
2Department of Ophthalmology, College of Medicine, The Catholic University of Korea. |
| 속발성 내사시와 비조절성 내사시에서 시행한 단안 내직근 후전술의 성적 비교 |
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현길화(Gil Hwa Hyun),나태윤(Tae Yoon La),이영춘(Young Chun Lee) |
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| Abstract |
PURPOSE
To compare the effect of medial rectus recession in consecutive esotropes who had previous monocular medial rectus resection and lateral rectus recession and in non- accommodative esotropes (NAET) with small angle of deviation who had no prior operation. METHODS: We studied the results of unilateral medial rectus recession at postoperative 2 and 6 months in 7 consecutive esotropes and 19 NAET with deviation angle around 20 PD, and analyzed the corrected amount for 1 mm medial rectus recession. We regarded deviated angle of+/-8 PD at orthophoria as successful operation. RESULTS: The abosolute value of remained deviation in consecutive esotropes and NAET were 4.86+/-5.67 PD and 9.05+/-3.95 PD at postoperative 2 months, and 5.42+/-7.89 PD and 8.26+/-4.45 PD at postoperative 6 months, respectively. There were significant differences between at postoperative 2 and 6 months (p<0.05). The success rates in consecutive esotropes and NAET at postoperative 2 months were 86% and 42%, and 71% and 47%, respectively at postoperative 6 months, which were no significant differences (p>0.05). The average amount of corrected deviation for 1 mm recession at postoperative 6 months was 5.84 PD in consecutive esotropes and 2.97 PD in NAET, which were significant differences (p<0.05). CONCLUSION: Unilateral medial rectus recession in consecutive esotropes may be a useful and first choice of operation procedure when considering second operation. The amount of correction for 1 mm medial rectus recession is larger in consecutive esotropes than in NAET, possibly due to previous resection of medial rectus or release of fat adhesion. Therefore the amount of medial rectus recession in consecutive esotropia should be determined after considering the degree of abduction and operative findings. |
| Key Words:
Consecutive esotropia, Fat adhesion, Unilateral medial rectus recession |
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