Mostrar el registro sencillo del ítem

dc.contributor.authorGarcía Vicente, Eduardo 
dc.contributor.authorArranz de la Fuente, Isabel 
dc.contributor.authorIssolio, Luis
dc.contributor.authorMartínez Matesanz, Cristina Beatriz 
dc.contributor.authorHernán Gloriani, Alejandro
dc.contributor.authorMenéndez Blanco, Andrés
dc.contributor.authorRodríguez Rosa, Miguel
dc.contributor.authorSilva, Bárbara
dc.contributor.authorColombo, Elisa
dc.contributor.authorMar Sardaña, Santiago
dc.contributor.authorAparicio Calzada, Juan Antonio
dc.date.accessioned2021-01-25T08:51:13Z
dc.date.available2021-01-25T08:51:13Z
dc.date.issued2019
dc.identifier.citationAttention, Perception, & Psychophysics, 2019, vol. 81. p. 504-516es
dc.identifier.issn1943-393Xes
dc.identifier.urihttp://uvadoc.uva.es/handle/10324/45125
dc.descriptionProducción Científicaes
dc.description.abstractThe ability of the human visual system to detect stimuli at low illumination levels provides awareness of potential risks. The influence of age and spectral power distribution on mesopic spectral sensitivity is analyzed. Two typical light sources are used, a high-pressure sodium lamp (HPS), with a higher content of long wavelengths, and a metal halide lamp (MH), with a higher content of short wavelengths. Two experiments were performed, using a two-channel Maxwellian-view optical system to measure contrast threshold under different experimental conditions. In Experiment 1, three age groups (young, middle-aged and old, n = 2 each), two retinal locations (on-axis and off-axis vision), four background luminances (0.01, 0.07, 0.45, and 3.2 cd/ m2 ), and two photometry systems (photopic and the MES2 systems) were considered. In Experiment 2, contrast threshold measurement was performed with two age groups (young and old, n = 11 each), one retinal location (off-axis vision), one background luminance (0.01 cd/m2 ), and two photometry systems (photopic and the MES2 systems). In on-axis vision, neither age nor spectral power distribution have an effect on the contrast threshold. In off-axis vision, however, a significant interaction between age and spectral power distribution is obtained, albeit only at 0.01 cd/m2 with an MH lamp. Only at this lowest background luminance was the greater content of short wavelengths of this lamp responsible for higher rod stimulation in offaxis vision, with the subsequent improvement in detection performance in young subjects. However, the effect of diffused light inside the aged eye counteracted the benefits of increased rod sensitivity for the MH lamp.es
dc.format.mimetypeapplication/pdfes
dc.language.isoenges
dc.publisherSpringer Linkes
dc.rights.accessRightsinfo:eu-repo/semantics/openAccesses
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/*
dc.subject.classificationAginges
dc.subject.classificationEnvejecimientoes
dc.subject.classificationVisual perceptiones
dc.subject.classificationPercepción visuales
dc.titleInfluence of age and spectral power distribution on mesopic visual sensitivityes
dc.typeinfo:eu-repo/semantics/articlees
dc.rights.holder© 2019 Springer Linkes
dc.identifier.doi10.3758/s13414-018-1616-6es
dc.relation.publisherversionhttps://link.springer.com/article/10.3758%2Fs13414-018-1616-6es
dc.peerreviewedSIes
dc.description.projectMinisterio de Economía, Industria y Competitividad (grant FIS2016-78037-P)es
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 Internacional*
dc.type.hasVersioninfo:eu-repo/semantics/publishedVersiones
dc.subject.unesco2209.15 Optometríaes


Ficheros en el ítem

Thumbnail

Este ítem aparece en la(s) siguiente(s) colección(ones)

Mostrar el registro sencillo del ítem