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dc.contributor.author
Suarez, Maria Fernanda
dc.contributor.author
Crim, Nicolás
dc.contributor.author
Monti, Rodolfo
dc.contributor.author
Esposito, Evangelina
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Urrets Zavalía, Julio Alberto
dc.contributor.author
Serra, Horacio Marcelo
dc.date.available
2018-05-30T18:32:38Z
dc.date.issued
2015-11
dc.identifier.citation
Suarez, Maria Fernanda; Crim, Nicolás; Monti, Rodolfo; Esposito, Evangelina; Urrets Zavalía, Julio Alberto; et al.; Clinical, Functional and Structural Studies of Humans and Merino Sheep Corneas from Two Different Regions of Argentina; Wiley Blackwell Publishing, Inc; Journal of Clinical & Experimental Ophthalmology; 06; 06; 11-2015; 1-8
dc.identifier.issn
2155-9570
dc.identifier.uri
http://hdl.handle.net/11336/46689
dc.description.abstract
Objective: The purpose of our work was to study and compare the cornea and tear film of people and sheep inhabiting in a region of Argentinean Patagonia (PATG), and in a geographically and climatically different region in the Argentinean Pampa (CAPT).Methods: Using cross sectional study, corneal examinations were performed in people and Merino sheep inhabiting PATG and CAPT regions, respectively. All people completed a questionnaire related to work activity, diet, and the use of hats or sunglasses during their life. Eyes from all participants were examined with a portable hand- held slit-lamp biomicroscope (BM) to evaluate corneal appearance, epithelium integrity, and transparency. Later on, in a subgroup of participants we studied eye blinking frequency (EBF), ocular surface staining (FS), breakup time (BUT), Schirmer Tear Test (STT), corneal structure using confocal laser scanning microscopy (CLSM) and light microscopy (LM), and concentrations of serum ascorbate (sAA).Results: BM studies revealed numerous cases of climatic droplet keratopathy (CDK) only in people inhabiting the PATG region. CLSM studies confirmed typical punctate deposits at the Bowman ́s layer in CDK patients living in that region. CLSM images from sheep did not show any abnormalities at the Bowman ́s layer but exhibited small hyper reflective dots at the epithelium only in animals pasturing in the PATG region. FS and EBF mean values were significant higher in sheep grazing in the PATG region (p <0.05). No differences were found in surface eye tests when people from both regions were analyzed. Low sAA levels were found only in CDK people living in PATG region.Conclusions: CDK is a multi-factorial disease not only associated to harsh climate. We provide data that low sAA levels can play a role in its genesis in Patagonia patients?... Sheep pasturing in this region with a high prevalence of CDK have high concentration of sAA and did not present any sub epithelial corneal abnormalities.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Wiley Blackwell Publishing, Inc
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Climatic Droplet Keratopathy
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Corneal Degeneration
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Argentinian Patagonia
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Argentinian Pampa
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Human
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Sheep
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Ocular Surgace
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Medicina Critica y de Emergencia
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Medicina Clínica
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CIENCIAS MÉDICAS Y DE LA SALUD
dc.title
Clinical, Functional and Structural Studies of Humans and Merino Sheep Corneas from Two Different Regions of Argentina
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2018-05-22T21:49:58Z
dc.identifier.eissn
1442-6404
dc.journal.volume
06
dc.journal.number
06
dc.journal.pagination
1-8
dc.journal.pais
Reino Unido
dc.journal.ciudad
Londres
dc.description.fil
Fil: Suarez, Maria Fernanda. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Córdoba. Centro de Investigaciones en Bioquímica Clínica e Inmunología; Argentina
dc.description.fil
Fil: Crim, Nicolás. Universidad Catolica de Córdoba. Facultad de Medicina. Clinica Universitaria Reina Fabiola; Argentina
dc.description.fil
Fil: Monti, Rodolfo. Universidad Catolica de Córdoba. Facultad de Medicina. Clinica Universitaria Reina Fabiola; Argentina
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Fil: Esposito, Evangelina. Universidad Catolica de Córdoba. Facultad de Medicina. Clinica Universitaria Reina Fabiola; Argentina
dc.description.fil
Fil: Urrets Zavalía, Julio Alberto. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Catolica de Córdoba. Facultad de Medicina. Clinica Universitaria Reina Fabiola; Argentina
dc.description.fil
Fil: Serra, Horacio Marcelo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Córdoba. Centro de Investigaciones en Bioquímica Clínica e Inmunología; Argentina
dc.journal.title
Journal of Clinical & Experimental Ophthalmology
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/https://dx.doi.org/10.4172/2155-9570.1000499
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://www.omicsonline.org/open-access/clinical-functional-and-structural-studies-of-humans-and-merino-sheepcorneas-from-two-different-regions-of-argentina-2155-9570-1000499.php?aid=66076
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