PreprintArticleVersion 1Preserved in Portico This version is not peer-reviewed
Creation of the Corneal Flap for Laser In Situ Keratomileusis with a 3-Dimension Femtosecond Laser Cut: Clinical and Optical Coherence Tomography Features
Version 1
: Received: 27 March 2024 / Approved: 28 March 2024 / Online: 28 March 2024 (09:45:23 CET)
How to cite:
Leccisotti, A.; Fields, S.V.; De Bartolo, G.; Crudale, C.; Posarelli, M. Creation of the Corneal Flap for Laser In Situ Keratomileusis with a 3-Dimension Femtosecond Laser Cut: Clinical and Optical Coherence Tomography Features. Preprints2024, 2024031705. https://doi.org/10.20944/preprints202403.1705.v1
Leccisotti, A.; Fields, S.V.; De Bartolo, G.; Crudale, C.; Posarelli, M. Creation of the Corneal Flap for Laser In Situ Keratomileusis with a 3-Dimension Femtosecond Laser Cut: Clinical and Optical Coherence Tomography Features. Preprints 2024, 2024031705. https://doi.org/10.20944/preprints202403.1705.v1
Leccisotti, A.; Fields, S.V.; De Bartolo, G.; Crudale, C.; Posarelli, M. Creation of the Corneal Flap for Laser In Situ Keratomileusis with a 3-Dimension Femtosecond Laser Cut: Clinical and Optical Coherence Tomography Features. Preprints2024, 2024031705. https://doi.org/10.20944/preprints202403.1705.v1
APA Style
Leccisotti, A., Fields, S.V., De Bartolo, G., Crudale, C., & Posarelli, M. (2024). Creation of the Corneal Flap for Laser In Situ Keratomileusis with a 3-Dimension Femtosecond Laser Cut: Clinical and Optical Coherence Tomography Features. Preprints. https://doi.org/10.20944/preprints202403.1705.v1
Chicago/Turabian Style
Leccisotti, A., Christian Crudale and Matteo Posarelli. 2024 "Creation of the Corneal Flap for Laser In Situ Keratomileusis with a 3-Dimension Femtosecond Laser Cut: Clinical and Optical Coherence Tomography Features" Preprints. https://doi.org/10.20944/preprints202403.1705.v1
Abstract
Laser in situ keratomileusis (LASIK) is the gold standard in the surgical correction of refractive errors on the cornea. It entails the creation of a superficial hinged corneal flap by a femtosecond laser, ablation of the underlying stromal bed by an excimer laser, and reposition of the flap.
The corneal flap can be build in a 2-dimension (2D) fashion with tapered edges, or in a 3-dimension (3D) fashion, with angled sidecut. The latter reduces the risk of flap dislocation and infiltration of epithelial cells.
This retrospective study compares with optical coherence tomography 3D and 2D flaps, and respective intra- and early post-operative complications.
Four hundred consecutive eyes were included, 200 for each group. In the 3D group, the mean edge angle was 92°. The procedure was in average 5.2 seconds slower in the 3D group (p=0). Non visually significant flap folds were found in 13 eyes of the 2D group and in 7 eyes of the 3D group (p= 0.17). An intracorneal opaque bubble layer induced by laser photodisruption was more commonly observed in the 3D group (9 eyes vs. 2; p=0.03).
In conclusion, the creation of a LASIK flap by a 3D-femtosecond laser cut was safe and effective.
Keywords
femtosecond laser; optical coherence tomography; laser in situ keratomileusis
Subject
Medicine and Pharmacology, Ophthalmology
Copyright:
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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