| Cyclic Esotropia Following Ocular Surgery. |
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Seong Ju Kim, Je Moon Woo, Sun Taek Lim, Sang Ki Jeong, Yeoung Geol Park |
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Department of Ophthalmology, Medical School, Chonnam University, KwangJu, Korea. |
| 안구수술후 발생한 주기내사시 |
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김성주(Seong Ju Kim),우제문(Je Moon Woo),임선택(Sun Taek Lim),정상기(Sang Ki Jeong),박영걸(Yeong Gel Park) |
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| Abstract |
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The cause of cyclic strabismus is not clear but is assumed to be an abnormality of the biological clock mechanism. Secondary factors, combined with surgery or trauma as well as unknown causes stimulate its occurrence and may be followed by the periodicity of strabismus. We report postoperative follow-up results of 4 cases of cyclic esotropia following surgery. Two cases (case 1 and 2), who developed cyclic esotropia after surgery for intermittent exotropia, show good postoperative alignment without periodicity. But in case 3, originally treated for intermittent exotropia after receiving treatment for consecutive esotropia, the patient reverted to original condition. In case 4, originally treated for congenital glaucoma and receiving secondary treatment for cyclic esotropia, the cyclic esotropia was recurred. After surgery for consecutive cyclic strabismus, it is necessary to follow up for a long time. |
| Key Words:
Biologic clock mechanism;Surgery;Cyclic esotropia |
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