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Journal List > J Korean Ophthalmol Soc > v.51(5) > 1008802

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Kim, Im, Park, and Yoon: The Changes in Tear Film After Dacryocystorhinostomy
Original Article

J Korean Ophthalmol Soc 2010;51(5):637-541.

Published online: 25 September 2010

DOI: https://doi.org/10.3341/jkos.2010.51.5.637

The Changes in Tear Film After Dacryocystorhinostomy

Hwang Gyun Kim, MD, Seong Kyu Im, MD, Hong Yong Park, MD, Kyung Chul Yoon, MD, PhD

Department of Ophthalmology, Chonnam National University Medical School and Hospital, Gwangju, Korea

Address reprint requests to Kyung Chul Yoon, MD, PhD Department of Ophthalmology, Chonnam National University Medical School & Hospital #8 Hak-dong, Dong-gu, Gwangju 501-757, Korea Tel: 82-62-220-6742, Fax: 82-62-227-1642, E-mail: kcyoon@chonnam.ac.kr

Received 10 August 2009       Accepted 4 March 2010

Copyright © 2010 Korean Ophthalmological Society

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Purpose

This study was performed to evaluate the changes in tear film and ocular surface after dacryocystorhinostomy (DCR) in patients with primary acquired nasolacrimal duct obstruction.

Methods

Forty subjects who showed successful results at three months after endoscopic DCR were investigated. The changes in tear breakup time (BUT), basal secretion test (BST), corneal sensitivity test (CST), tear clearance rate (TCR) and keratoepitheliopathy (KEP) were evaluated.

Results

The mean age was 57.4±13.2 years (29∼77 years). Preoperative BST and BUT in eyes which underwent DCR were 13.21±3.79 mm and 8.20±2.30 seconds, respectively. Three months after the operation, the respective values were 9.13±3.77 mm (p=0.01) and 6.27±2.20 seconds (p=0.03). Preoperative CST, TCR and KEP in eyes which underwent DCR were 57.89±4.18 mm, 3.26±0.91 and 0.12±0.53, respectively. Three months after the operation, the respective values were 57.75±3.55 mm (p=0.32), 3.04±0.87 (p=0.08) and 0.13±0.54 (p=0.08). No changes were observed between the preoperative and postoperative tear parameters in fellow eyes.

Conclusions

The changes in tear film parameters including BST and BUT should be considered in patients who receive endoscopic DCR.

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Keywords: Dacryocystorhinostomy, Nasolacrimal duct, Tears

References

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Table 1.
Characteristics of patients with nasolacrimal duct obstruction undergoing successful endoscopic dacryocystorhinostomy (DCR)
  Mean± SD (range)
Age (years) 57.4±13.2 (29∼77)
Sex (male: female) 8:32
Follow up period (months) 4.1± 1.1 (3.1∼7.4)
Dye disappearance test  
   Before DCR 2.32±0.72 (1.5∼4)
   3 months after DCR 0.53±0.40 (0∼1.5)
Tube removal (months) 3.6±1.7 (2.8∼6.3)
Table 2.
Changes in tear film parameters before, 1 months and 3 months after endoscopic dacryocystorhinostom y
  Before operation (mean±SD) o 1 month after operation (mean± SD) 3 months after operation (mean± SD) P1) P2 P3
BST (mm) 13.21±3.79 9.82±3.89 9.13±3.77 0.02 0.01 0.39
BUT (sec) 8.20±2.30 6.99±1.98 6.27±2.20 0.04 0.03 0.46
CST (mm) 57.89± 4.18 57.69±2.68 57.75±3.55 0.23 0.32 0.53
Log2 TCR−1 3.26±0.91 3.25±0.76 3.04±0.87 0.22 0.08 0.35
Keratoepitheliopathy 0.12±0.53 0.10±0.12 0.13±0.54 0.52 0.08 0.19

BST=basic secretion test; BUT=tear break up time; CST=corneal sensation test; TCR=tear clearance rate; P1=statistical values between before and 1 month after operation; P2=statistical values between before and 3 months after operation; P3=statistical values between 1 and 3 months after operation.

Table 3.
Changes of tear film parameters before, 1 months and 3 months after endoscopic dacryocystorhinostomy in fellow eyes
  Before operation (mean±SD) o 1 month after operation (mean± SD) 3 months after operation (mean± SD) ) P1 P2 P3
BST (mm) 11.00±4.80 9.75±3.80 7.82±3.24 0.25 0.36 0.73
BUT (sec) 8.25±2.30 7.90±2.12 6.91±1.87 0.12 0.41 0.33
CST (mm) 58.17±3.95 58.21±2.11 58.72±2.55 0.48 0.48 0.29
Log2 TCR−1 3.58±0.61 3.40±0.89 3.04±0.87 0.53 0.43 0.71
Keratoepitheliopathy 0.10±0.12 0.11±0.32 0.14±0.71 0.18 0.06 0.62

BST=basic secretion test; BUT=tear break up time; CST=corneal sensation test; TCR=tear clearance rate; P1=statistical values between before and 1 month after operation; P2=statistical values between before and 3 months after operation; P3=statistical values between 1 and 3 months after operation.

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