Essential opaque bubble layer elimination with novel LASIK flap settings in the FS200 Femtosecond Laser

A John Kanellopoulos,1,2 George Asimellis1 1Laservision.gr Eye Institute, Athens, Greece; 2New York University School of Medicine, New York, NY, USA Background: The purpose of this study is to evaluate the extent and incidence of opaque bubble layer (OBL) using laser-assisted in situ keratomileusis...

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Autores principales:	Kanellopoulos AJ, Asimellis G
Formato:	article
Lenguaje:	EN
Publicado:	Dove Medical Press 2013
Materias:	Ophthalmology RE1-994
Acceso en línea:	https://doaj.org/article/a12b656414ad470fb4e6fb9c53e62728
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spelling	oai:doaj.org-article:a12b656414ad470fb4e6fb9c53e627282021-12-02T00:48:46ZEssential opaque bubble layer elimination with novel LASIK flap settings in the FS200 Femtosecond Laser1177-54671177-5483https://doaj.org/article/a12b656414ad470fb4e6fb9c53e627282013-04-01T00:00:00Zhttp://www.dovepress.com/essential-opaque-bubble-layer-elimination-with-novel-lasik-flap-settin-a12827https://doaj.org/toc/1177-5467https://doaj.org/toc/1177-5483A John Kanellopoulos,1,2 George Asimellis1 1Laservision.gr Eye Institute, Athens, Greece; 2New York University School of Medicine, New York, NY, USA Background: The purpose of this study is to evaluate the extent and incidence of opaque bubble layer (OBL) using laser-assisted in situ keratomileusis (LASIK) flaps created with the Alcon/WaveLight® FS200 femtosecond laser as a result of a recent change in flap programming parameters aiming to reduce further the incidence and extent of OBL. Methods: Intraoperative digital images of flaps from 36 consecutive patients (72 eyes) subjected to bilateral femtosecond-assisted LASIK were analyzed using a proprietary computerized technique. The incidence and extent of OBL was measured and reported as a percentage of the entire flap area. Flap creation was performed with a 1.7 mm wide canal, implemented as an updated design intended to reduce the extent of OBL (group A). The same OBL parameters were investigated and compared in an age-matched and procedure-matched patients in whom the previous standard setting of a 1.3 mm wide canal was implemented (group B). Results: In group A, the average extent of OBL was 3.69% of the flap area (range 0%–11.34%). In group B, the respective values were 6.06% (range 0%–20.24%). We found the difference to be statistically significant (one-tailed P = 0.00452). Conclusion: This study suggests that there is a significant reduction in the incidence and extent of OBL when novel LASIK flap ventilation canal parameters of width and spot line separation are used. Keywords: femtosecond laser flap, bladeless laser-assisted in situ keratomileusis, opaque bubble layer, Alcon/WaveLight FS200, spot line separationKanellopoulos AJAsimellis GDove Medical PressarticleOphthalmologyRE1-994ENClinical Ophthalmology, Vol 2013, Iss default, Pp 765-770 (2013)
institution	DOAJ
collection	DOAJ
language	EN
topic	Ophthalmology RE1-994
spellingShingle	Ophthalmology RE1-994 Kanellopoulos AJ Asimellis G Essential opaque bubble layer elimination with novel LASIK flap settings in the FS200 Femtosecond Laser
description	A John Kanellopoulos,1,2 George Asimellis1 1Laservision.gr Eye Institute, Athens, Greece; 2New York University School of Medicine, New York, NY, USA Background: The purpose of this study is to evaluate the extent and incidence of opaque bubble layer (OBL) using laser-assisted in situ keratomileusis (LASIK) flaps created with the Alcon/WaveLight® FS200 femtosecond laser as a result of a recent change in flap programming parameters aiming to reduce further the incidence and extent of OBL. Methods: Intraoperative digital images of flaps from 36 consecutive patients (72 eyes) subjected to bilateral femtosecond-assisted LASIK were analyzed using a proprietary computerized technique. The incidence and extent of OBL was measured and reported as a percentage of the entire flap area. Flap creation was performed with a 1.7 mm wide canal, implemented as an updated design intended to reduce the extent of OBL (group A). The same OBL parameters were investigated and compared in an age-matched and procedure-matched patients in whom the previous standard setting of a 1.3 mm wide canal was implemented (group B). Results: In group A, the average extent of OBL was 3.69% of the flap area (range 0%–11.34%). In group B, the respective values were 6.06% (range 0%–20.24%). We found the difference to be statistically significant (one-tailed P = 0.00452). Conclusion: This study suggests that there is a significant reduction in the incidence and extent of OBL when novel LASIK flap ventilation canal parameters of width and spot line separation are used. Keywords: femtosecond laser flap, bladeless laser-assisted in situ keratomileusis, opaque bubble layer, Alcon/WaveLight FS200, spot line separation
format	article
author	Kanellopoulos AJ Asimellis G
author_facet	Kanellopoulos AJ Asimellis G
author_sort	Kanellopoulos AJ
title	Essential opaque bubble layer elimination with novel LASIK flap settings in the FS200 Femtosecond Laser
title_short	Essential opaque bubble layer elimination with novel LASIK flap settings in the FS200 Femtosecond Laser
title_full	Essential opaque bubble layer elimination with novel LASIK flap settings in the FS200 Femtosecond Laser
title_fullStr	Essential opaque bubble layer elimination with novel LASIK flap settings in the FS200 Femtosecond Laser
title_full_unstemmed	Essential opaque bubble layer elimination with novel LASIK flap settings in the FS200 Femtosecond Laser
title_sort	essential opaque bubble layer elimination with novel lasik flap settings in the fs200 femtosecond laser
publisher	Dove Medical Press
publishDate	2013
url	https://doaj.org/article/a12b656414ad470fb4e6fb9c53e62728
work_keys_str_mv	AT kanellopoulosaj essentialopaquebubblelayereliminationwithnovellasikflapsettingsinthefs200femtosecondlaser AT asimellisg essentialopaquebubblelayereliminationwithnovellasikflapsettingsinthefs200femtosecondlaser
_version_	1718403456721485824

Essential opaque bubble layer elimination with novel LASIK flap settings in the FS200 Femtosecond Laser

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