Light adaptation in letter contrast sensitivity: The influence of optical and neural mechanisms
- Autores
- Arranz, I.; Matezanz, B. M.; Issolio, Luis Alberto; Menéndez, J. A.; Mar, S.; Aparicio, J. A.
- Año de publicación
- 2013
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- This work discusses the level of implication of the optical and physiological mechanisms in letter contrast sensitivity (CS) under different conditions of environmental lighting. A study was carried out on 26 eyes with normal ocular health. Sixteen conditions of light, obtained by combining different test luminances (from 10 to 600 cd/m2) and surround luminances (from 1 to 600 cd/m2) were considered. The results reveal a significant influence of optical factors (pupil size variations and glare effects) on CS when surround luminance changes, and dominance of neural effects when test luminance changes. Furthermore, test size and illumination conditions are provided for which letter threshold contrasts are not sensitive to surround luminance changes.
Fil: Arranz, I.. Universidad de Valladolid. Facultad de Ciencias; España
Fil: Matezanz, B. M.. Universidad de Valladolid. Facultad de Ciencias; España
Fil: Issolio, Luis Alberto. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Tucuman. Instituto de Investigacion En Luz, Ambiente y Vision; Argentina. Universidad Nacional de Tucuman. Facultad de Cs.exactas y Tecnologia. Departamento de Luminotecnia, Luz y Vision; Argentina
Fil: Menéndez, J. A.. Universidad de Valladolid. Facultad de Ciencias; España
Fil: Mar, S.. Universidad de Valladolid. Facultad de Ciencias; España
Fil: Aparicio, J. A.. Universidad de Valladolid. Facultad de Ciencias; España - Materia
-
Contrast Sensitivity
Lighting Standarization
Psychophysics
Vision - Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
- Repositorio
- Institución
- Consejo Nacional de Investigaciones Científicas y Técnicas
- OAI Identificador
- oai:ri.conicet.gov.ar:11336/12008
Ver los metadatos del registro completo
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Light adaptation in letter contrast sensitivity: The influence of optical and neural mechanismsArranz, I.Matezanz, B. M.Issolio, Luis AlbertoMenéndez, J. A.Mar, S.Aparicio, J. A.Contrast SensitivityLighting StandarizationPsychophysicsVisionhttps://purl.org/becyt/ford/2.11https://purl.org/becyt/ford/2This work discusses the level of implication of the optical and physiological mechanisms in letter contrast sensitivity (CS) under different conditions of environmental lighting. A study was carried out on 26 eyes with normal ocular health. Sixteen conditions of light, obtained by combining different test luminances (from 10 to 600 cd/m2) and surround luminances (from 1 to 600 cd/m2) were considered. The results reveal a significant influence of optical factors (pupil size variations and glare effects) on CS when surround luminance changes, and dominance of neural effects when test luminance changes. Furthermore, test size and illumination conditions are provided for which letter threshold contrasts are not sensitive to surround luminance changes.Fil: Arranz, I.. Universidad de Valladolid. Facultad de Ciencias; EspañaFil: Matezanz, B. M.. Universidad de Valladolid. Facultad de Ciencias; EspañaFil: Issolio, Luis Alberto. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Tucuman. Instituto de Investigacion En Luz, Ambiente y Vision; Argentina. Universidad Nacional de Tucuman. Facultad de Cs.exactas y Tecnologia. Departamento de Luminotecnia, Luz y Vision; ArgentinaFil: Menéndez, J. A.. Universidad de Valladolid. Facultad de Ciencias; EspañaFil: Mar, S.. Universidad de Valladolid. Facultad de Ciencias; EspañaFil: Aparicio, J. A.. Universidad de Valladolid. Facultad de Ciencias; EspañaSage Publications2013-06info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/12008Arranz, I.; Matezanz, B. M.; Issolio, Luis Alberto; Menéndez, J. A.; Mar, S.; et al.; Light adaptation in letter contrast sensitivity: The influence of optical and neural mechanisms; Sage Publications; Lighting Research & Technology; 46; 4; 6-2013; 1-131477-15351477-0938enginfo:eu-repo/semantics/altIdentifier/url/http://journals.sagepub.com/doi/abs/10.1177/1477153513484633info:eu-repo/semantics/altIdentifier/doi/10.1177/1477153513484633info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-29T10:32:50Zoai:ri.conicet.gov.ar:11336/12008instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-09-29 10:32:50.41CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse |
dc.title.none.fl_str_mv |
Light adaptation in letter contrast sensitivity: The influence of optical and neural mechanisms |
title |
Light adaptation in letter contrast sensitivity: The influence of optical and neural mechanisms |
spellingShingle |
Light adaptation in letter contrast sensitivity: The influence of optical and neural mechanisms Arranz, I. Contrast Sensitivity Lighting Standarization Psychophysics Vision |
title_short |
Light adaptation in letter contrast sensitivity: The influence of optical and neural mechanisms |
title_full |
Light adaptation in letter contrast sensitivity: The influence of optical and neural mechanisms |
title_fullStr |
Light adaptation in letter contrast sensitivity: The influence of optical and neural mechanisms |
title_full_unstemmed |
Light adaptation in letter contrast sensitivity: The influence of optical and neural mechanisms |
title_sort |
Light adaptation in letter contrast sensitivity: The influence of optical and neural mechanisms |
dc.creator.none.fl_str_mv |
Arranz, I. Matezanz, B. M. Issolio, Luis Alberto Menéndez, J. A. Mar, S. Aparicio, J. A. |
author |
Arranz, I. |
author_facet |
Arranz, I. Matezanz, B. M. Issolio, Luis Alberto Menéndez, J. A. Mar, S. Aparicio, J. A. |
author_role |
author |
author2 |
Matezanz, B. M. Issolio, Luis Alberto Menéndez, J. A. Mar, S. Aparicio, J. A. |
author2_role |
author author author author author |
dc.subject.none.fl_str_mv |
Contrast Sensitivity Lighting Standarization Psychophysics Vision |
topic |
Contrast Sensitivity Lighting Standarization Psychophysics Vision |
purl_subject.fl_str_mv |
https://purl.org/becyt/ford/2.11 https://purl.org/becyt/ford/2 |
dc.description.none.fl_txt_mv |
This work discusses the level of implication of the optical and physiological mechanisms in letter contrast sensitivity (CS) under different conditions of environmental lighting. A study was carried out on 26 eyes with normal ocular health. Sixteen conditions of light, obtained by combining different test luminances (from 10 to 600 cd/m2) and surround luminances (from 1 to 600 cd/m2) were considered. The results reveal a significant influence of optical factors (pupil size variations and glare effects) on CS when surround luminance changes, and dominance of neural effects when test luminance changes. Furthermore, test size and illumination conditions are provided for which letter threshold contrasts are not sensitive to surround luminance changes. Fil: Arranz, I.. Universidad de Valladolid. Facultad de Ciencias; España Fil: Matezanz, B. M.. Universidad de Valladolid. Facultad de Ciencias; España Fil: Issolio, Luis Alberto. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Tucuman. Instituto de Investigacion En Luz, Ambiente y Vision; Argentina. Universidad Nacional de Tucuman. Facultad de Cs.exactas y Tecnologia. Departamento de Luminotecnia, Luz y Vision; Argentina Fil: Menéndez, J. A.. Universidad de Valladolid. Facultad de Ciencias; España Fil: Mar, S.. Universidad de Valladolid. Facultad de Ciencias; España Fil: Aparicio, J. A.. Universidad de Valladolid. Facultad de Ciencias; España |
description |
This work discusses the level of implication of the optical and physiological mechanisms in letter contrast sensitivity (CS) under different conditions of environmental lighting. A study was carried out on 26 eyes with normal ocular health. Sixteen conditions of light, obtained by combining different test luminances (from 10 to 600 cd/m2) and surround luminances (from 1 to 600 cd/m2) were considered. The results reveal a significant influence of optical factors (pupil size variations and glare effects) on CS when surround luminance changes, and dominance of neural effects when test luminance changes. Furthermore, test size and illumination conditions are provided for which letter threshold contrasts are not sensitive to surround luminance changes. |
publishDate |
2013 |
dc.date.none.fl_str_mv |
2013-06 |
dc.type.none.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://purl.org/coar/resource_type/c_6501 info:ar-repo/semantics/articulo |
format |
article |
status_str |
publishedVersion |
dc.identifier.none.fl_str_mv |
http://hdl.handle.net/11336/12008 Arranz, I.; Matezanz, B. M.; Issolio, Luis Alberto; Menéndez, J. A.; Mar, S.; et al.; Light adaptation in letter contrast sensitivity: The influence of optical and neural mechanisms; Sage Publications; Lighting Research & Technology; 46; 4; 6-2013; 1-13 1477-1535 1477-0938 |
url |
http://hdl.handle.net/11336/12008 |
identifier_str_mv |
Arranz, I.; Matezanz, B. M.; Issolio, Luis Alberto; Menéndez, J. A.; Mar, S.; et al.; Light adaptation in letter contrast sensitivity: The influence of optical and neural mechanisms; Sage Publications; Lighting Research & Technology; 46; 4; 6-2013; 1-13 1477-1535 1477-0938 |
dc.language.none.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
info:eu-repo/semantics/altIdentifier/url/http://journals.sagepub.com/doi/abs/10.1177/1477153513484633 info:eu-repo/semantics/altIdentifier/doi/10.1177/1477153513484633 |
dc.rights.none.fl_str_mv |
info:eu-repo/semantics/openAccess https://creativecommons.org/licenses/by-nc-sa/2.5/ar/ |
eu_rights_str_mv |
openAccess |
rights_invalid_str_mv |
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/ |
dc.format.none.fl_str_mv |
application/pdf application/pdf |
dc.publisher.none.fl_str_mv |
Sage Publications |
publisher.none.fl_str_mv |
Sage Publications |
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reponame:CONICET Digital (CONICET) instname:Consejo Nacional de Investigaciones Científicas y Técnicas |
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CONICET Digital (CONICET) |
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CONICET Digital (CONICET) |
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Consejo Nacional de Investigaciones Científicas y Técnicas |
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CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas |
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dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar |
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