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Optimization of an intraocular lens for correction of advanced corneal refractive errors
Umeå University, Faculty of Science and Technology, Department of Computing Science.
Umeå University, Faculty of Science and Technology, Department of Applied Physics and Electronics.
Umeå University, Faculty of Science and Technology, Department of Applied Physics and Electronics.ORCID iD: 0000-0002-9031-4331
2016 (English)In: Applied Optics, ISSN 1559-128X, E-ISSN 2155-3165, Vol. 55, no 16, 4378-4382 p.Article in journal (Refereed) PublishedText
Abstract [en]

Based on numerical 3D ray tracing, we propose a new procedure to optimize personalized intra-ocular lenses (IOLs). The 3D ray tracing was based on measured corneal elevation data from patients who suffered from advanced keratoconus. A mathematical shape description of the posterior IOL surface, by means of a tensor product cubic Hermite spline, was implemented. The optimized lenses provide significantly reduced aberrations. Our results include a trade-off study that suggests that it is possible to considerably reduce the aberrations with only minor perturbations of an ideal spherical lens. The proposed procedure can be applied for correction of aberrations of any optical system by modifying a single surface.

Place, publisher, year, edition, pages
Optical Society of America, 2016. Vol. 55, no 16, 4378-4382 p.
Keyword [en]
Ophthalmic optics and devices, Geometric optical design, Vision - acuity, Nonspherical lens design, Visual optics, modeling, Visual optics, refractive anomalies
National Category
Ophthalmology
Identifiers
URN: urn:nbn:se:umu:diva-121173DOI: 10.1364/AO.55.004378ISI: 000377050400017PubMedID: 27411190OAI: oai:DiVA.org:umu-121173DiVA: diva2:931446
Available from: 2016-05-27 Created: 2016-05-27 Last updated: 2016-09-06Bibliographically approved

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Wadbro, EddieHallberg, PerSchedin, Staffan
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Department of Computing ScienceDepartment of Applied Physics and Electronics
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