Intraocular lens power calculation using total keratometry and ray tracing in eyes with previous small incision lenticule extraction – A case series

Purpose: To assess the IOL power calculation accuracy in post-SMILE eyes using ray tracing and a range of total keratometry based IOL calculation formulae. Observations: Ray tracing showed excellent predictability in IOL power calculation after SMILE and its accuracy was clinically comparable with t...

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Main Authors: Roman Lischke, Rainer Wiltfang, Martin Bechmann, Thomas C. Kreutzer, Siegfried G. Priglinger, M. Dirisamer, Nikolaus Luft
Format: Article
Language:English
Published: Elsevier 2024-06-01
Series:American Journal of Ophthalmology Case Reports
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S2451993624000471
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author Roman Lischke
Rainer Wiltfang
Martin Bechmann
Thomas C. Kreutzer
Siegfried G. Priglinger
M. Dirisamer
Nikolaus Luft
author_facet Roman Lischke
Rainer Wiltfang
Martin Bechmann
Thomas C. Kreutzer
Siegfried G. Priglinger
M. Dirisamer
Nikolaus Luft
author_sort Roman Lischke
collection DOAJ
description Purpose: To assess the IOL power calculation accuracy in post-SMILE eyes using ray tracing and a range of total keratometry based IOL calculation formulae. Observations: Ray tracing showed excellent predictability in IOL power calculation after SMILE and its accuracy was clinically comparable with the Barrett TK Universal II and Haigis TK formula. Conclusions and importance: Incorporating posterior corneal curvature measurements into IOL power calculation after SMILE seems prudent. The ray tracing method as well as selected TK-based formulae yielded excellent accuracy and should be favored in post-SMILE eyes.
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spelling doaj.art-6241afef24504ac9b7e77b84814724092024-03-08T05:19:07ZengElsevierAmerican Journal of Ophthalmology Case Reports2451-99362024-06-0134102037Intraocular lens power calculation using total keratometry and ray tracing in eyes with previous small incision lenticule extraction – A case seriesRoman Lischke0Rainer Wiltfang1Martin Bechmann2Thomas C. Kreutzer3Siegfried G. Priglinger4M. Dirisamer5Nikolaus Luft6University Eye Hospital, Ludwig-Maximilians-University, Munich, Germany; Department of Ophthalmology and Optometry, Medical University of Innsbruck, AustriaSMILE Eyes Clinic, Munich, Germany; SMILE Eyes Clinic, Trier, GermanySMILE Eyes Clinic, Munich, Germany; SMILE Eyes Clinic, Trier, GermanyUniversity Eye Hospital, Ludwig-Maximilians-University, Munich, GermanyUniversity Eye Hospital, Ludwig-Maximilians-University, Munich, Germany; SMILE Eyes Clinic, AustriaUniversity Eye Hospital, Ludwig-Maximilians-University, Munich, Germany; SMILE Eyes Clinic, AustriaUniversity Eye Hospital, Ludwig-Maximilians-University, Munich, Germany; SMILE Eyes Clinic, Austria; Corresponding author. Department of Ophthalmology, Ludwig-Maximilians-University, Mathildenstraße 8, 80336, Munich, Germany.Purpose: To assess the IOL power calculation accuracy in post-SMILE eyes using ray tracing and a range of total keratometry based IOL calculation formulae. Observations: Ray tracing showed excellent predictability in IOL power calculation after SMILE and its accuracy was clinically comparable with the Barrett TK Universal II and Haigis TK formula. Conclusions and importance: Incorporating posterior corneal curvature measurements into IOL power calculation after SMILE seems prudent. The ray tracing method as well as selected TK-based formulae yielded excellent accuracy and should be favored in post-SMILE eyes.http://www.sciencedirect.com/science/article/pii/S2451993624000471SMILECataractIOL calculationRay tracingTotal keratometry (TK)
spellingShingle Roman Lischke
Rainer Wiltfang
Martin Bechmann
Thomas C. Kreutzer
Siegfried G. Priglinger
M. Dirisamer
Nikolaus Luft
Intraocular lens power calculation using total keratometry and ray tracing in eyes with previous small incision lenticule extraction – A case series
American Journal of Ophthalmology Case Reports
SMILE
Cataract
IOL calculation
Ray tracing
Total keratometry (TK)
title Intraocular lens power calculation using total keratometry and ray tracing in eyes with previous small incision lenticule extraction – A case series
title_full Intraocular lens power calculation using total keratometry and ray tracing in eyes with previous small incision lenticule extraction – A case series
title_fullStr Intraocular lens power calculation using total keratometry and ray tracing in eyes with previous small incision lenticule extraction – A case series
title_full_unstemmed Intraocular lens power calculation using total keratometry and ray tracing in eyes with previous small incision lenticule extraction – A case series
title_short Intraocular lens power calculation using total keratometry and ray tracing in eyes with previous small incision lenticule extraction – A case series
title_sort intraocular lens power calculation using total keratometry and ray tracing in eyes with previous small incision lenticule extraction a case series
topic SMILE
Cataract
IOL calculation
Ray tracing
Total keratometry (TK)
url http://www.sciencedirect.com/science/article/pii/S2451993624000471
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