Agreement between rebound (Icare ic200) and applanation tonometry (Perkins) in patients with primary congenital glaucoma

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dc.contributor.authorMorales Fernández, Laura
dc.contributor.authorPérez García, Pilar
dc.contributor.authorSáenz Francés, Federico
dc.contributor.authorMolero Senosiain, Mercedes
dc.contributor.authorGarcía Sáenz, Sofía
dc.contributor.authorMéndez Hernández, Carmen Dora
dc.contributor.authorSantos Bueso, Enrique
dc.contributor.authorGarcía Feijoo, Julián
dc.contributor.authorMartínez De La Casa Fernández-Borrella, José María
dc.datePublication History. Version of Record online: 23 December 2020; Manuscript accepted: 09 November 2020; Manuscript revised: 26 September 2020 Manuscript received: 14 July 2020
dc.date.accessioned2023-06-17T09:01:13Z
dc.date.available2023-06-17T09:01:13Z
dc.date.issued2020-12-23
dc.description.abstractPurpose: To examine agreement between intraocular pressure (IOP) measurements made using the rebound tonometer Icare ic200 (RT200) and the Perkins handheld applanation tonometer (PAT) in patients with primary congenital glaucoma (PCG). The impacts of several covariables on measurements using the two devices were also assessed. Materials and Methods: Intraocular pressure measurements were made in a single session in 86 eyes of 86 patients with PCG (46 under anaesthesia, 40 in the office). The order was RT200 then PAT. The variables age, central corneal thickness (CCT), corneal state and anaesthesia were recorded in each patient. Data were compared by determining interclass correlation coefficients (ICC) for each tonometer and representing the differences detected as Bland–Altman plots. Effects of covariables were assessed through univariate and multivariate regression. Results: Mean IOP difference between tonometers (RT200 minus PAT) was 1.26 mmHg (95%: 0.22–2.31). Absolute agreement (ICC) was 0.73 (95% CI: 0.62–0.82). Lower and upper limits of agreement (95%) were −8.06 mmHg (95% CI: −9.87 to −6.25) and 10.59 mmHg (95% CI: 8.77–12.40), respectively. The tonometers showed systematic differences (a = −4.63 mmHg; 95% CI: −9.11 to −1.44) and proportional differences; for each mmHg increase in PAT‐IOP, the RT200 reading increased by 1.28 mmHg (b = 1.28; 95% CI: 1.12–1.53). None of the variables tested as predictors were able to explain differences between the tonometers. Conclusions: Despite the good overall agreement between both tonometers, caution should be taken in high values of IOP, considering the interchangeability of its readings as systematic and proportional differences appear to exist between both methods.en
dc.description.departmentUnidad Docente de Inmunología, Oftalmología y ORL
dc.description.facultyFac. de Óptica y Optometría
dc.description.refereedTRUE
dc.description.statuspub
dc.eprint.idhttps://eprints.ucm.es/id/eprint/64573
dc.identifier.citationMorales Fernandez, L., Pérez García, P., Sáenz Francés, F. et al. «Agreement between Rebound (Icare Ic200) and Applanation Tonometry (Perkins) in Patients with Primary Congenital Glaucoma». Acta Ophthalmologica, vol. 99, n.o 6, septiembre de 2021, pp. 663-68. DOI.org (Crossref), https://doi.org/10.1111/aos.14701.
dc.identifier.doi10.1111/aos.14701
dc.identifier.issn1755-375X
dc.identifier.officialurlhttps://doi.org/10.1111/aos.14701
dc.identifier.relatedurlhttps://onlinelibrary.wiley.com/doi/10.1111/aos.14701
dc.identifier.urihttps://hdl.handle.net/20.500.14352/7944
dc.journal.titleActa Ophthalmologica
dc.language.isoeng
dc.page.initial6 p.
dc.publisherJohn Wiley & Sons Ltd.
dc.rights.accessRightsopen access
dc.subject.cdu617.7-073.178
dc.subject.cdu617.7-007.681
dc.subject.keywordIcare ic200
dc.subject.keywordPrimary congenital glaucoma
dc.subject.keywordRebound tonometer
dc.subject.keywordRT200
dc.subject.ucmOftalmología
dc.subject.ucmOptometría
dc.subject.unesco3201.09 Oftalmología
dc.subject.unesco2209.15 Optometría
dc.titleAgreement between rebound (Icare ic200) and applanation tonometry (Perkins) in patients with primary congenital glaucomaen
dc.typejournal article
dspace.entity.typePublication
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relation.isAuthorOfPublication558b8023-6d72-4dff-9f99-2e60f6f31843
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relation.isAuthorOfPublication.latestForDiscovery533dd90f-2b34-4a5f-9cf8-ab8d19454edd
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