Publications by authors named "Alan Cayless"

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Corneal power modelling with OCT data - Thin and thick lens paraxial models versus raytracing.
Achim Langenbucher, Nóra Szentmáry, Alan Cayless, Peter Hoffmann, Jascha Wendelstein

Acta Ophthalmol· December 2025

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Keratometry and the Central Radius with Aspheric Corneal Surfaces.
Achim Langenbucher, Jascha Wendelstein, Alan Cayless, Peter Hoffmann, Nóra Szentmáry

Curr Eye Res· December 2025

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Deciphering corneal astigmatism: calculation pitfalls and how to avoid them.
Achim Langenbucher, Jascha Wendelstein, Alan Cayless, Nóra Szentmáry, Peter Hoffmann

J Cataract Refract Surg· October 2025

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Repeatability of Corneal Astigmatism and Equivalent Power with the MS-39 Tomographer Derived from Model Surface Fitting in a Cataractous Population.
Achim Langenbucher, Nóra Szentmáry, Alan Cayless, Muntadher Al Karam, Peter Hoffmann

Sensors (Basel)· October 2025

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Predictive Correction Model for Corneal Back Surface Astigmatism With IOLMaster700 Keratometry Data in a Cataractous Population.
Achim Langenbucher, Peter Hoffmann, Alan Cayless, Nóra Szentmáry, Kamran Riaz

Clin Exp Ophthalmol· October 2025

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Jackknife and bootstrapping resampling techniques to evaluate the precision of lens formula constants.
Achim Langenbucher, Jascha Wendelstein, Alan Cayless, Thomas Olsen, Peter Hoffmann

Acta Ophthalmol· September 2025

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Deciphering the performance of different surface models for corneal topography.
Achim Langenbucher, Nóra Szentmáry, Alan Cayless, Peter Hoffmann, Jascha Wendelstein

Ophthalmic Physiol Opt· September 2025

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Considerations on the Haigis formula: Are better outcomes possible with tuning?
Achim Langenbucher, Nóra Szentmáry, Jascha Wendelstein, Alan Cayless, Benj Fassbind

Acta Ophthalmol· August 2025

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Conversion of disclosed lens power formula constants.
Achim Langenbucher, Peter Hoffmann, Alan Cayless, Jascha Wendelstein, Nóra Szentmáry

J Cataract Refract Surg· August 2025

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A two-step formula constant optimization strategy for minimal standard deviation and zero mean prediction error in IOL power calculation.
Achim Langenbucher, Nóra Szentmáry, Jascha Wendelstein, Alan Cayless, Peter Hoffmann

Acta Ophthalmol· August 2025

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Deciphering the best shape aspheric intraocular lens - A raytracing based optimisation study.
Achim Langenbucher, Jascha Wendelstein, Alan Cayless, Peter Hoffmann, Nóra Szentmáry

Z Med Phys· August 2025

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Repeatability of corneal curvature with the MS-39 anterior segment tomographer in a cataractous population.
Achim Langenbucher, Nóra Szentmáry, Alan Cayless, Muntadher Al Karam, Theo G Seiler

PLoS One· July 2025

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Repeatability of corneal measurements from the Casia2 anterior segment tomographer in a cataractous population.
Achim Langenbucher, Nóra Szentmáry, Alan Cayless, Daniel Schartmüller, Marcus Lisy

PLoS One· July 2025

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Repeatability of biometric measures from the LenStar LS900 in a cataractous population.
Achim Langenbucher, Nóra Szentmáry, Jascha Wendelstein, Alan Cayless, Peter Hoffmann

PLoS One· May 2025

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Prediction of refraction error after toric lens implantation with biometric input data uncertainties and power labelling tolerances.
Achim Langenbucher, Nóra Szentmáry, Alan Cayless, David Cooke, Peter Hoffmann

Clin Exp Ophthalmol· April 2025

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Prediction of refraction error after toric lens implantation with biometric input data uncertainties and power labelling tolerances: Response.
Achim Langenbucher, Nóra Szentmáry, Alan Cayless, David Cooke, Peter Hoffmann

Clin Exp Ophthalmol· March 2025

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Performance of a simplified strategy for formula constant optimisation in intraocular lens power calculation.
Achim Langenbucher, Jascha Wendelstein, Nóra Szentmáry, Alan Cayless, Peter Hoffmann

Acta Ophthalmol· February 2025

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The Homburg-Adelaide toric IOL nomogram: How to predict corneal power vectors from preoperative IOLMaster 700 keratometry and total corneal power in toric IOL implantation.
Achim Langenbucher, Nóra Szentmáry, Jascha Wendelstein, Alan Cayless, Peter Hoffmann

Acta Ophthalmol· February 2025

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Impact of the corneal epithelium on the corneal power using 3D raytracing with OCT data.
Achim Langenbucher, Nóra Szentmáry, Alan Cayless, Peter Hoffmann, Jascha Wendelstein

Z Med Phys· February 2025

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Performance Evaluation of a Simple Strategy to Optimize Formula Constants for Zero Mean or Minimal Standard Deviation or Root-Mean-Squared Prediction Error in Intraocular Lens Power Calculation.
Achim Langenbucher, Nóra Szentmáry, Jascha Wendelstein, Alan Cayless, Peter Hoffmann

Am J Ophthalmol· January 2025

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Evaluation of keratometric and total corneal astigmatism measurements from optical biometers and anterior segment tomographers and mapping to reconstructed corneal astigmatism vector components.
Achim Langenbucher, Nóra Szentmáry, Alan Cayless, Peter Hoffmann, Jascha Wendelstein

PLoS One· January 2025

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Surrogate optimisation strategies for intraocular lens formula constant optimisation.
Achim Langenbucher, Jascha Wendelstein, Alan Cayless, Peter Hoffmann, Nóra Szentmáry

Acta Ophthalmol· September 2024

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Evaluating keratometry and corneal astigmatism data from biometers and anterior segment tomographers and mapping to reconstructed corneal astigmatism.
Achim Langenbucher, Leonardo Taroni, Catarina P Coutinho, Alan Cayless, Nóra Szentmáry

Clin Exp Ophthalmol· August 2024

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Vector analysis of corneal astigmatism in cataractous eyes based on IOLMaster 700 biometry.
Achim Langenbucher, Jascha Wendelstein, Alan Cayless, Peter Hoffmann, Nóra Szentmáry

PLoS One· April 2024

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Repeatability of biometric measures from the IOLMaster 700 in a cataractous population.
Achim Langenbucher, Nóra Szentmáry, Alan Cayless, Peter Hoffmann, Jascha Wendelstein

PLoS One· February 2024

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