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International Ophthalmology

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Open Access 01-11-2020 | Xerophthalmia | Original Paper

Comparable effects on tear film parameters after femtosecond laser-assisted and conventional cataract surgery

Authors: Marc Schargus, Svetlana Ivanova, Gesa Stute, H. Burkhard Dick, Stephanie C. Joachim

Published in: International Ophthalmology | Issue 11/2020

Abstract

Purpose

Dry eye symptoms after conventional cataract surgery are a very common problem. Until now, only few data are available on objective tear film parameters in regard to femtosecond laser-assisted cataract surgery (LCS). Aim of this study was therefore to analyze and compare tear film parameter changes between LCS and conventional cataract surgery.

Methods

A consecutive group of 34 patients, scheduled for cataract surgery, were randomly selected for either LCS or conventional cataract surgery (17 patients/group). Tear film assessments including tear film osmolarity, Schirmer test, MMP-9 analysis via quantitative ELISA, corneal sensitivity, corneal fluorescein staining, and conjunctival fluorescein staining were sequentially evaluated pre- as well as 1 and 3 months postoperatively.

Results

Both groups showed no significant difference in baseline characteristics. All surgeries were performed without any complications. After 1 and 3 months, there was no statistically significant difference in regard to tear film osmolarity (1 month: p = 0.81, 3 months: p = 1.0), Schirmer test (1 month: p = 0.35, 3 month: p = 0.08), and MMP-9 concentration (1 month: p = 0.36, 3 month: p = 0.28) between the two groups.

Conclusions

Neither LCS nor conventional cataract surgery affected objective tear film parameters significantly during our 3-month postoperative observation period. Hence, both surgical techniques can be equally used to treat patients without prior dry eye symptoms.

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Title: Comparable effects on tear film parameters after femtosecond laser-assisted and conventional cataract surgery
Authors: Marc Schargus
Svetlana Ivanova
Gesa Stute
H. Burkhard Dick
Stephanie C. Joachim
Publication date: 01-11-2020
Publisher: Springer Netherlands
Keywords: Xerophthalmia
Cataract
Laser
Published in: International Ophthalmology / Issue 11/2020
Print ISSN: 0165-5701
Electronic ISSN: 1573-2630
DOI: https://doi.org/10.1007/s10792-020-01532-z

At a glance: The STEP trials

Springer Medicine

Comparable effects on tear film parameters after femtosecond laser-assisted and conventional cataract surgery

Abstract

Purpose

Methods

Results

Conclusions

At a glance: The STEP trials

Springer Medicine

Abstract

Purpose

Methods

Results

Conclusions

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