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Outcomes of 4-snip punctoplasty for severe punctal stenosis: measurement of tear meniscus height by optical coherence tomography.

Authors
 Sung Eun Kim ; Sung Jun Lee ; Jin Sook Yoon ; Sang Yeul Lee 
Citation
 American Journal of Ophthalmology, Vol.153(4) : 769~773, 2012 
Journal Title
 American Journal of Ophthalmology 
ISSN
 0002-9394 
Issue Date
2012
Abstract
PURPOSE: To investigate the surgical outcome of rectangular 4-snip punctoplasty, a modification of rectangular 3-snip procedures, using objective measurements. DESIGN: Noncomparative case series. METHODS: The medical charts of patients who underwent rectangular 4-snip punctoplasty for severe punctal stenosis with at least 6 months follow-up were reviewed. Before surgery and at 1 and 6 months after surgery, subjective evaluation of tearing was assessed using Munk scores. The size of the punctum was graded based on slit-lamp examination, and measurement of tear meniscus height was done using Fourier-domain optical coherence tomography. RESULTS: A total of 45 eyes (26 patients) were studied. The subjective epiphora score was significantly reduced after surgery and maintained until 6 months after the surgery (χ2 for trend test, P<.001). The grade of the punctum size was also significantly enlarged after surgery and the enlarged punctum was maintained until 6 months after the surgery (χ2 for trend test, P<.001). The mean preoperative tear height (452.4±249.3 μm) was significantly reduced both at 1 month after surgery (341.6±207.9 μm; P=.003, paired t test) and at 6 months after surgery (362.1±212.6 μm; P=.004, paired t test). The functional success rate was 93.3% and anatomic success rate was 88.9% at 6 months after surgery. CONCLUSIONS: Rectangular 4-snip punctoplasty was an anatomically and functionally effective procedure for severe punctal stenosis patients, maintaining large puncta for fairly long periods.
URI
http://ir.ymlib.yonsei.ac.kr/handle/22282913/89429
DOI
10.1016/j.ajo.2011.09.026
Appears in Collections:
1. 연구논문 > 1. College of Medicine > Dept. of Ophthalmology
Yonsei Authors
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Link
 http://www.sciencedirect.com/science/article/pii/S0002939411007677
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