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Equivalence of two optical quality metrics to predict the visual acuity of multifocal pseudophakic patients
dc.contributor.author | Armengol Cebrian, Jesús |
dc.contributor.author | Garzon, Nuria |
dc.contributor.author | Vega Lerín, Fidel |
dc.contributor.author | Altemir Gómez, I. |
dc.contributor.author | Millán Garcia-Varela, M. Sagrario |
dc.contributor.other | Universitat Politècnica de Catalunya. Departament d'Òptica i Optometria |
dc.date.accessioned | 2020-11-06T08:51:26Z |
dc.date.available | 2020-11-06T08:51:26Z |
dc.date.issued | 2020-05-01 |
dc.identifier.citation | Armengol, J. [et al.]. Equivalence of two optical quality metrics to predict the visual acuity of multifocal pseudophakic patients. "Biomedical optics express", 1 Maig 2020, vol. 11, núm. 5, p. 2818-2829. |
dc.identifier.issn | 2156-7085 |
dc.identifier.uri | http://hdl.handle.net/2117/331547 |
dc.description.abstract | This article studies the relationship between two metrics, the area under the modulation transfer function (MTFa) and the energy efficiency (EE), and their ability to predict the visual quality of patients implanted with multifocal intraocular lenses (IOLs). The optical quality of IOLs is assessed in vitro using two metrics, the MTFa and EE. We measured them for three different multifocal IOLs with parabolic phase profile using image formation, through-focus (TF) scanning, three R, G, B wavelengths, and two pupils. We analyzed the correlation between MTFa and EE. In parallel, clinical defocus curves of visual acuity (VA) were measured and averaged from sets of patients implanted with the same IOLs. An excellent linear correlation was found between the MTFa and EE for the considered IOLs, wavelengths and pupils (R2 > 0.9). We computed the polychromatic TF-MTFa, TF-EE, and derived mathematical relationships between each metrics and clinical average VA. MTFa and EE proved to be equivalent metrics to characterize the optical quality of the studied multifocal IOLs and also in terms of clinical VA predictability. |
dc.description.sponsorship | Ministerio de Economía y Competitividad y fondos Feder (DPI2016-76019-R). |
dc.format.extent | 12 p. |
dc.language.iso | eng |
dc.subject | Àrees temàtiques de la UPC::Ciències de la visió |
dc.subject.lcsh | Vision |
dc.subject.lcsh | Intraocular lenses |
dc.subject.lcsh | Visual acuity |
dc.title | Equivalence of two optical quality metrics to predict the visual acuity of multifocal pseudophakic patients |
dc.type | Article |
dc.subject.lemac | Visió |
dc.subject.lemac | Lents intraoculars |
dc.subject.lemac | Agudesa visual |
dc.contributor.group | Universitat Politècnica de Catalunya. GOAPI - Grup d'Òptica Aplicada i Processament d'Imatge |
dc.identifier.doi | 10.1364/BOE.388531 |
dc.description.peerreviewed | Peer Reviewed |
dc.relation.publisherversion | https://www.osapublishing.org/boe/abstract.cfm?uri=boe-11-5-2818 |
dc.rights.access | Open Access |
local.identifier.drac | 28909829 |
dc.description.version | Postprint (published version) |
dc.relation.projectid | info:eu-repo/grantAgreement/MINECO/2PE/DPI2016-76019-R |
local.citation.author | Armengol, J.; Garzon, N.; Vega, F.; Altemir, I.; Millan, M. |
local.citation.publicationName | Biomedical optics express |
local.citation.volume | 11 |
local.citation.number | 5 |
local.citation.startingPage | 2818 |
local.citation.endingPage | 2829 |
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