Precision of limbal ischemia evaluation in ocular chemical injuries with anterior segment optical coherence tomography angiography

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dc.authoridPalamar, Melis/0000-0002-2494-0131
dc.authoridfurundaoturan, onur/0000-0001-6929-6645
dc.authorscopusid57201913306
dc.authorscopusid23989747000
dc.authorscopusid24077472700
dc.authorwosidPalamar, Melis/H-5903-2013
dc.contributor.authorFurundaoturan, Onur
dc.contributor.authorPalamar, Melis
dc.contributor.authorSelver, Ozlem Barut
dc.date.accessioned2023-01-12T19:50:12Z
dc.date.available2023-01-12T19:50:12Z
dc.date.issued2022
dc.departmentN/A/Departmenten_US
dc.description.abstractPurpose To evaluate the limbal ischemia objectively in ocular surface chemical injuries by using anterior segment optical coherence tomography angiography (AS-OCTA). Methods In this cross-sectional study, acute ocular surface chemical injury patients with less than 1 week injury history were enrolled. Demographic data of the patients were noted, and detailed ophthalmological examination with Dua classification was performed. AS photographs and AS-OCTA images were obtained and used for the assessment of limbal ischemia. To visualize the limbal vasculature, the device was focused manually to get a sharp image for all 4 quadrants of the limbus. The absence of vasculature was regarded as ischemia, and the amount of the ischemia was defined in clock hours. The limbal ischemia detected in clinical evaluation with biomicroscopy was compared with the AS-OCTA detected ischemia amount to make a conclusion for the correlation. Results Nineteen eyes of 18 patients with acute ocular surface chemical injury were enrolled to the study (2 female, 16 male). The mean age was 35.1 +/- 10 (18-55), and the mean best corrected visual acuity was 0.75 +/- 1 (0.1-3.1) LogMAR. The causative agents were acid in 6 and alkaline in 12 patients. Limbal ischemia detected by using AS-OCTA was greater ((5.8 +/- 2.6 (2-10) clock hours) than that detected in biomicroscopy (4.8 +/- 2.4 (2-12) clock hours). The difference was statistically significant (p < 0.0005). Conclusion AS-OCTA has a significant importance on limbal vascularity visualization; therefore, its use for more objective and sensitive evaluation of limbal ischemia in ocular surface chemical injuries seems to have a crucial impact. AS-OCTA images may reveal the extension of limbal ischemia more precisely than clinical evaluation with biomicroscopy. However, future studies with higher number of patients are needed to come to a specific conclusion.en_US
dc.identifier.doi10.1007/s00417-022-05735-1
dc.identifier.issn0721-832X
dc.identifier.issn1435-702X
dc.identifier.pmid35857088en_US
dc.identifier.scopus2-s2.0-85134498593en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.urihttps://doi.org/10.1007/s00417-022-05735-1
dc.identifier.urihttps://hdl.handle.net/11454/76043
dc.identifier.wosWOS:000829669300003en_US
dc.identifier.wosqualityQ2en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakPubMeden_US
dc.language.isoenen_US
dc.publisherSpringeren_US
dc.relation.ispartofGraefes Archive For Clinical and Experimental Ophthalmologyen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectAnterior segment OCTAen_US
dc.subjectOcular surface chemical injuryen_US
dc.subjectLimbal ischemiaen_US
dc.subjectOcular surface chemical injury gradingen_US
dc.subjectOcular surface chemical injury prognosisen_US
dc.subjectFluorescein Angiographyen_US
dc.subjectClassificationen_US
dc.titlePrecision of limbal ischemia evaluation in ocular chemical injuries with anterior segment optical coherence tomography angiographyen_US
dc.typeArticleen_US

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