Tear Fluid and Serum Vitamin D Concentrations in Unilateral Pterygium

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dc.contributor.authorOrnek, Nurgul
dc.contributor.authorOgurel, Tevfik
dc.contributor.authorKisa, Ucler
dc.date.accessioned2025-01-21T16:44:50Z
dc.date.available2025-01-21T16:44:50Z
dc.date.issued2021
dc.departmentKırıkkale Üniversitesi
dc.description.abstractSIGNIFICANCE Vitamin D has antiangiogenic, anti-inflammatory, and antifibrotic properties, which may play an inhibitory role on pterygium formation. Vitamin D concentration was measured in few studies, and contradictory results have been reported. There is no study investigating tear fluid concentration of vitamin D in pterygium patients. PURPOSE This study evaluated tear fluid and serum vitamin D concentrations of pterygium patients in comparison with healthy controls. METHODS Thirty-five (21 male, 14 female) patients with unilateral pterygium and 25 (18 male, 7 female) healthy controls were included in this case-control study. After full ophthalmic examination, blood samples were taken, and basal tear fluid was collected using glass microcapillary tubes. Tear fluid and serum vitamin D concentrations were analyzed using enzyme-linked immunosorbent assay and analyzed statistically. RESULTS The mean +/- standard deviation age of patients was 51.7 +/- 16.7 years in the study group and 50.6 +/- 18.7 years in the control group, respectively (P = .82). The mean tear fluid vitamin D concentration was statistically significantly higher than the mean serum concentration in the study groups (P < .0001). The mean tear fluid (P = .76) and serum vitamin D concentrations (P = .53) did not reveal statistically significant difference between patients and controls. There was no statistically significant difference for tear fluid vitamin D concentration between pterygium eyes and fellow eyes (P = .93). The difference in concentrations was compared within the pterygium subgroups, and it was found that the mean serum vitamin D concentration trended toward lower values as the stage of pterygium increased, and the mean tear fluid vitamin D concentration trended toward higher values as the stage of pterygium increased, although these differences were not statistically significant (all, P > .05). CONCLUSIONS Tear fluid and serum vitamin D concentrations do not seem to have a role in pterygium pathogenesis.
dc.identifier.doi10.1097/OPX.0000000000001640
dc.identifier.endpage174
dc.identifier.issn1040-5488
dc.identifier.issn1538-9235
dc.identifier.issue2
dc.identifier.pmid33534378
dc.identifier.scopus2-s2.0-85102217645
dc.identifier.scopusqualityQ2
dc.identifier.startpage170
dc.identifier.urihttps://doi.org/10.1097/OPX.0000000000001640
dc.identifier.urihttps://hdl.handle.net/20.500.12587/25529
dc.identifier.volume98
dc.identifier.wosWOS:000656525400011
dc.identifier.wosqualityQ3
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.language.isoen
dc.publisherLippincott Williams & Wilkins
dc.relation.ispartofOptometry and Vision Science
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_20241229
dc.titleTear Fluid and Serum Vitamin D Concentrations in Unilateral Pterygium
dc.typeArticle

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