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Quantitative measurement of passive duction force tension in intermittent exotropia and its clinical implications
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dc.date.accessioned | 2022-11-24T00:40:22Z | - |
dc.date.available | 2022-11-24T00:40:22Z | - |
dc.date.issued | 2021-06 | - |
dc.identifier.issn | 0721-832X | - |
dc.identifier.uri | https://ir.ymlib.yonsei.ac.kr/handle/22282913/190881 | - |
dc.description.abstract | Purpose: To evaluate the passive duction force (PDF) in extraocular muscles (EOMs) in patients with intermittent exotropia (IXT) using a quantitative tension-measuring device. Methods: This prospective, case-control study enrolled 25 patients with IXT and 26 age- and sex-matched controls. PDF was measured under general anesthesia as the eyeball was rotated medially or laterally away from the direction of the force being tested. The preferred eye for fixation was determined using a cover-uncover test. Results: The PDF in the IXT and control groups were 60.9 g and 52.1 g, respectively, for the lateral rectus (LR) (p = 0.046) and 53.0 g and 48.8 g for the medial rectus (MR) (p = 0.293). When the eyes were examined separately in the IXT group, the PDF of LR was larger in the nonpreferred eye for fixation than in the control group (p = 0.039), whereas there was no difference in the preferred eye for fixation (p = 0.216). Additionally, the relative PDF of LR in the nonpreferred eye compared to the ipsilateral PDF of MR was positively associated with the duration of manifest deviation (p = 0.042) and the average angle of the near and far deviations (p = 0.023). Conclusions: The PDF in the LR in patients with IXT in the nonpreferred eye for fixation was larger than normal and could increase with the duration of manifest deviation and the angle of deviation. Evaluating the PDF in EOMs could provide information that is useful for managing strabismus and understanding its pathophysiology. | - |
dc.description.statementOfResponsibility | restriction | - |
dc.language | English, German | - |
dc.publisher | Springer-Verlag | - |
dc.relation.isPartOf | GRAEFES ARCHIVE FOR CLINICAL AND EXPERIMENTAL OPHTHALMOLOGY | - |
dc.rights | CC BY-NC-ND 2.0 KR | - |
dc.subject.MESH | Case-Control Studies | - |
dc.subject.MESH | Exotropia* / surgery | - |
dc.subject.MESH | Humans | - |
dc.subject.MESH | Oculomotor Muscles / surgery | - |
dc.subject.MESH | Prospective Studies | - |
dc.subject.MESH | Strabismus* | - |
dc.title | Quantitative measurement of passive duction force tension in intermittent exotropia and its clinical implications | - |
dc.type | Article | - |
dc.contributor.college | College of Medicine (의과대학) | - |
dc.contributor.department | Dept. of Anatomy (해부학교실) | - |
dc.contributor.googleauthor | Hyunkyoo Kang | - |
dc.contributor.googleauthor | Shin-Hyo Lee | - |
dc.contributor.googleauthor | Chung-Sik Oh | - |
dc.contributor.googleauthor | Hyun Jin Shin | - |
dc.contributor.googleauthor | Andrew G Lee | - |
dc.identifier.doi | 10.1007/s00417-020-05030-x | - |
dc.relation.journalcode | J00951 | - |
dc.identifier.eissn | 1435-702X | - |
dc.identifier.pmid | 33415355 | - |
dc.identifier.url | https://link.springer.com/article/10.1007/s00417-020-05030-x | - |
dc.subject.keyword | Exotropia | - |
dc.subject.keyword | Extraocular muscles | - |
dc.subject.keyword | Passive duction force | - |
dc.subject.keyword | Quantitative measurement | - |
dc.subject.keyword | Tension | - |
dc.citation.volume | 259 | - |
dc.citation.number | 6 | - |
dc.citation.startPage | 1617 | - |
dc.citation.endPage | 1623 | - |
dc.identifier.bibliographicCitation | GRAEFES ARCHIVE FOR CLINICAL AND EXPERIMENTAL OPHTHALMOLOGY, Vol.259(6) : 1617-1623, 2021-06 | - |
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