Comparison of the maximum applicable stretch force after femtosecond laser-assisted and manual anterior capsulotomy
Purpose: To objectively measure the strength of the capsulotomy performed with a femtosecond laser-assisted technique or performed manually in a pig-eye laboratory study. - Setting - International Vision Correction Research Centre, Department of Ophthalmology, University of Heidelbe...
Gespeichert in:
| Hauptverfasser: | , , , , |
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
2013
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| In: |
Journal of cataract and refractive surgery
Year: 2013, Jahrgang: 39, Heft: 1, Pages: 105-109 |
| ISSN: | 1873-4502 |
| DOI: | 10.1016/j.jcrs.2012.08.065 |
| Online-Zugang: | Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1016/j.jcrs.2012.08.065 Verlag, lizenzpflichtig, Volltext: https://journals.lww.com/jcrs/Abstract/2013/01000/Comparison_of_the_maximum_applicable_stretch_force.17.aspx 
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| Verfasserangaben: | Gerd U. Auffarth, MD, PhD, FEBO, Kasu Prasad Reddy, MD, Roland Ritter, MSc, Mike P. Holzer, MD, FEBO, Tanja M. Rabsilber, MD |
MARC
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| 245 | 1 | 0 | |a Comparison of the maximum applicable stretch force after femtosecond laser-assisted and manual anterior capsulotomy |c Gerd U. Auffarth, MD, PhD, FEBO, Kasu Prasad Reddy, MD, Roland Ritter, MSc, Mike P. Holzer, MD, FEBO, Tanja M. Rabsilber, MD |
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| 520 | |a Purpose: To objectively measure the strength of the capsulotomy performed with a femtosecond laser-assisted technique or performed manually in a pig-eye laboratory study. - Setting - International Vision Correction Research Centre, Department of Ophthalmology, University of Heidelberg, Heidelberg, Germany. - Design - Experimental study. - Methods - Ten fresh pig eyes were randomly assigned to femtosecond laser-assisted capsulotomy or manual capsulotomy. The capsule was immersed in hyaluronic acid, and retractors were fixed in the capsule opening with a pull-force measuring device. The force necessary to break the capsulotomy was measured in millinewtons (mN); the maximum stretching ratio was also assessed. - Results - The observed mean rupture force (ie, maximum amount of force measured immediately before tissue rupture) was 113 mN ± 12 (SD) in the laser-assisted procedure and 73 ± 22 mN in the manual procedure (P<.05). The stretching ratios were 1.60 ± 0.10 (femtosecond) and 1.35 ± 0.04 (manual) (P<.05). - Conclusion - In this laboratory pig-eye study, femtosecond laser-assisted capsulotomy resulted in a significantly stronger anterior capsule opening than the standard manually performed capsulotomy. - Financial Disclosure - Drs. Auffarth, Reddy, and Holzer have received research and travel grants from Technolas Perfect Vision GmbH. Mr. Ritter is an employee of Technolas Perfect Vision GmbH, Munich, Germany. | ||
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