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Area of cross section of tear meniscus before and after surgery for canalicular obstruction measured by optical coherence tomography Toru Suzuki 1 1Suzuki Eye Clin pp.641-645
Published Date 2011/5/15
DOI https://doi.org/10.11477/mf.1410103648
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Abstract. Purpose:To report the usefulness of measuring the area of cross section of tear meniscus before and after surgery for canalicular obstruction using an optical coherence tomography(OCT). Cases and Method:This study was made on 16 eyes of 13 patients who had epiphora due to canalicular obstruction and who received intubation surgery. The series comprised 5 male and 11 female eyes. The age ranged from 62 to 80 years,average 72 years. Area of cross section of lower tear meniscus was measured by an OCT with an attachment for anterior eye segment. Results:The area of cross section averaged 106μm2 before intubation,30μm2,18μm2,20μm2. and 62μm2 1 week,1 month,2 months and 3 months respectively after intubation. The difference in value before and one week after intubation was significant(p=0.0007). Conclusion:Measurement of the area of cross section of tear meniscus is useful in evaluating the outcome of lacrimal surgery.


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電子版ISSN 1882-1308 印刷版ISSN 0370-5579 医学書院

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