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Published in: BMC Ophthalmology 1/2016

Open Access 01-12-2016 | Research article

Chung’s swing technique: a new technique for small-incision lenticule extraction

Authors: Bu Ki Kim, Su Joung Mun, Dae Gyu Lee, Hyun Tae Choi, Young Taek Chung

Published in: BMC Ophthalmology | Issue 1/2016

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Abstract

Background

To introduce the Chung’s swing technique for small-incision lenticule extraction (SMILE).

Methods

A total of 112 eyes of 56 patients were included in this study. Patients were divided into two groups: 52 eyes of 26 patients were treated with SMILE using a traditional method (traditional group) and 60 eyes of 30 patients were treated with SMILE using the Chung’s swing technique (swing group).

Results

At 1 month postoperatively, all eyes in both groups had an uncorrected distance visual acuity of 20/20 or better. The efficacy indices were 1.09 ± 0.17 and 1.02 ± 0.11 (p = 0.492), and the safety indices were 1.12 ± 0.14 and 1.09 ± 0.15 (p = 0.537), for the traditional and swing group, respectively. All eyes in both groups underwent successful lenticule extraction; all lenticules were intact and complete. The mean lenticule extraction times were 48.67 ± 4.9 and 39.8 ± 5.53 s, for the traditional and swing group, respectively (p < 0.001).

Conclusions

The Chung’s swing technique is efficient for lenticule separation and extraction. Our study results showed good clinical outcomes.

Trial registration

Trial registration number: KCT0001978. Registered 22 July 2016. Retrospectively registered.
Appendix
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Metadata
Title
Chung’s swing technique: a new technique for small-incision lenticule extraction
Authors
Bu Ki Kim
Su Joung Mun
Dae Gyu Lee
Hyun Tae Choi
Young Taek Chung
Publication date
01-12-2016
Publisher
BioMed Central
Published in
BMC Ophthalmology / Issue 1/2016
Electronic ISSN: 1471-2415
DOI
https://doi.org/10.1186/s12886-016-0321-2

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