| Two Cases of Cyclic Esotropia. |
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Seung Woo Baek, Yoon Ae Cho |
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Department of Ophthalmology, Korea University, College of Medicine, Seoul, Korea. |
| 격일성 내사시 2예 |
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조윤애(Yoon Ae Cho),백승우(Seung Woo Baek) |
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| Abstract |
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Cyclic heterotropia represents an interesting ocular motility problem in which the ocular deviation is present on a rhythmic basis. Usually this appears in a regular 48-hour cycle, although 72-and 96-hour cycles have also been reported. On the strabismic day, constant heterotropia is large and associated with suppression and no diplopia. On the nonstrabismic day, no deviation or only a small heterophoria is present with good binocular function. In this paper, we present two cases of cyclic esotropia which demonstrated regular 48-hour cycles and were treated with surgery. |
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