title: Computational aspects of the through-focus characteristics of the human eye.
abstract: Calculating through-focus characteristics of the human eye from a single objective measurement of wavefront aberration can be accomplished through a range of methods that are inherently computationally cumbersome. A simple yet accurate and computationally efficient method is developed, which combines the philosophy of the extended Nijboer-Zernike approach with the radial-basis-function-based approximation of the complex pupil function. The main advantage of the proposed technique is that the increase of the computational cost for a vector-valued defocus parameter is practically negligible in comparison to the corresponding scalar-valued defocus parameter.
authors.forename: D
authors.initials: D
authors.lastname: Ramos-López
authors.forename: A
authors.initials: A
authors.lastname: Martínez-Finkelshtein
authors.forename: D Robert
authors.initials: DR
authors.lastname: Iskander
mesh_terms: D000065:Accommodation, Ocular / Q000502:physiology*; D003198:Computer Simulation; D003315:Cornea / Q000502:physiology*; D006801:Humans; D007908:Lens, Crystalline / Q000502:physiology*; D008954:Models, Biological; D014785:Vision, Ocular / Q000502:physiology*