Articles with "formula constant" as a keyword



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Evaluating intraocular lens power formula constant robustness using bootstrap algorithms

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Published in 2022 at "Acta Ophthalmologica"

DOI: 10.1111/aos.15277

Abstract: Bootstrapping is a modern technique mostly used in statistics to evaluate the robustness of model parameters. The purpose of this study was to develop a method for evaluation of formula constant uncertainties and the effect… read more here.

Keywords: using bootstrap; intraocular lens; lens power; robustness ... See more keywords
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Particle swarm optimisation strategies for IOL formula constant optimisation.

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Published in 2023 at "Acta ophthalmologica"

DOI: 10.1111/aos.15664

Abstract: PURPOSE To investigate particle swarm optimisation (PSO) as a modern purely data driven non-linear iterative strategy for lens formula constant optimisation in intraocular lens power calculation. METHODS A PSO algorithm was implemented for optimising the… read more here.

Keywords: particle swarm; constant optimisation; optimisation; swarm optimisation ... See more keywords
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Formula constant optimisation techniques including variation of keratometer or corneal refractive index and consideration for classical and modern IOL formulae

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Published in 2023 at "PLOS ONE"

DOI: 10.1371/journal.pone.0282213

Abstract: Background To investigate whether variation of the keratometer/corneal refractive index nK/nC improves the performance (prediction error PE) of classical and a modern intraocular lens (IOL) power calculation formula and further, to establish whether any trend… read more here.

Keywords: optimisation; formula constant; trend error; formula ... See more keywords