Por favor, use este identificador para citar o enlazar a este item:
http://hdl.handle.net/10261/19678
COMPARTIR / EXPORTAR:
SHARE CORE BASE | |
Visualizar otros formatos: MARC | Dublin Core | RDF | ORE | MODS | METS | DIDL | DATACITE | |
Campo DC | Valor | Lengua/Idioma |
---|---|---|
dc.contributor.author | Navarro, Rafael | - |
dc.contributor.author | González, Luis M. | - |
dc.contributor.author | Hernández-Matamoros, José Luis | - |
dc.date.accessioned | 2009-12-18T09:16:39Z | - |
dc.date.available | 2009-12-18T09:16:39Z | - |
dc.date.issued | 2006-06 | - |
dc.identifier.citation | Optometry and Vision Science 83(6): 371-381 (2006) | en_US |
dc.identifier.issn | 1040-5488 | - |
dc.identifier.uri | http://hdl.handle.net/10261/19678 | - |
dc.description | 6 figures, 2 tables.-- El pdf del artículo es la versión pre-print. | en_US |
dc.description.abstract | Purpose. The purpose of this study is to develop and analyze a method to obtain optical schematic models of individual eyes. Each model should be able to reproduce the measured monochromatic wave aberration with high fidelity. Methods. First, we choose a generic eye model as the input guess and then apply a two-stage customization procedure. Stage 1 consists of replacing, in the initial generic model, those anatomic and optical parameters with experimental data measured on the eye under analysis. The set of experimental data was that provided by a standard clinical preoperative examination, namely lens topography, ultrasound biometry, and total wave aberration. Then, the second stage is to find the unknown lens structure that would reproduce the measured wave aberration through optical optimization. Two totally different initial eye models have been compared; one considers a simpler constant refractive index for the lens, whereas the second model has a gradient-index (GRIN) lens. Results. This automatic customization method has been applied to 19 eyes with different degrees of spherical ametropia (from +0.4 D to -8 D). Two models have been obtained for each eye (constant and gradient index lens). The results were highly satisfactory, with 100% convergence, and with average RMS prediction errors approximately A/100. This is one order of magnitude lower than typical measurement errors. The models with a constant refractive index lens tended to overestimate surface curvatures, whereas for the GRIN model, lens surfaces were too flat. Conclusions. The proposed method is highly efficient and robust giving a high-fidelity reproduction of the wavefront in all cases attempted so far. Limitations found in reproducing the geometry of the lens seem to be associated with the use of inaccurate models of its refractive index. | en_US |
dc.description.sponsorship | This research has been partially supported by the Spanish CICyT, grant FIS2005-05020-C03-01 and by the clinic RealVision. | en_US |
dc.format.extent | 10752 bytes | - |
dc.format.mimetype | application/octet-stream | - |
dc.language.iso | eng | en_US |
dc.publisher | Lippincott Williams & Wilkins | en_US |
dc.rights | openAccess | en_US |
dc.title | On the prediction of optical aberrations by personalized eye models | en_US |
dc.type | artículo | en_US |
dc.identifier.doi | 10.1097/01.opx.0000221399.50864.c7 | - |
dc.description.peerreviewed | Peer reviewed | en_US |
dc.relation.publisherversion | http://dx.doi.org/10.1097/01.opx.0000221399.50864.c7 | en_US |
dc.type.coar | http://purl.org/coar/resource_type/c_6501 | es_ES |
item.openairetype | artículo | - |
item.grantfulltext | open | - |
item.cerifentitytype | Publications | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.fulltext | With Fulltext | - |
item.languageiso639-1 | en | - |
Aparece en las colecciones: | (ICMA) Artículos |
Ficheros en este ítem:
Fichero | Descripción | Tamaño | Formato | |
---|---|---|---|---|
eye_modelsOVS2006.pdf | 552,05 kB | Adobe PDF | Visualizar/Abrir |
CORE Recommender
SCOPUSTM
Citations
56
checked on 18-abr-2024
WEB OF SCIENCETM
Citations
43
checked on 25-feb-2024
Page view(s)
427
checked on 22-abr-2024
Download(s)
410
checked on 22-abr-2024
Google ScholarTM
Check
Altmetric
Altmetric
NOTA: Los ítems de Digital.CSIC están protegidos por copyright, con todos los derechos reservados, a menos que se indique lo contrario.