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Agreement between central corneal thickness measured using pentacam, ultrasound pachymetry, specular microscopy and optic biometer lenstar LS 900 and the influence of intraocular pressure

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Borrego Sanz, Lara y Saenz Frances, Federico y Bermudez Vallecilla, M. C. y Morales Fernández, Laura y Martinez de la Casa, Jose Maria y Santos Bueso, Enrique y Jañez Escalada, Luis y García Feijoo, Julián (2014) Agreement between central corneal thickness measured using pentacam, ultrasound pachymetry, specular microscopy and optic biometer lenstar LS 900 and the influence of intraocular pressure. Ophthalmologica, 231 (4). pp. 226-235. ISSN 0030-3755

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URL Oficial: http://dx.doi.org/10.1159/000356724



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Purpose: To compare central corneal thickness (CCT) values obtained by Lenstar (LE), Pentacam (PC), specular microscopy (SM) and ultrasound pachymetry (UP) in healthy corneas and study their influence on intraocular pressure (IOP) readings determined by Goldmann applanation tonometry (GAT). Methods: CCT was measured in 76 healthy subjects by LE, PC, SM and UP. We established Lin's concordance correlation coefficient (ρ-C) between different techniques. The influence of CCT on GAT was established through univariate linear regression models, IOP being the dependent variable. Results: The highest ρ-C was found between LE and SM at 0.94 (95% CI: 0.91-0.96) and between LE and UP at 0.95 (95% CI: 0.94-0.97). IOP readings showed less variability when CCT was determined using LE (7.7%, B = 0.16; 95% CI: 0.004-0.28). Conclusions: Although CCT values obtained with UP, PC, SM and LE show good correlation, these methods are not completely interchangeable. The amount of IOP variation differs when CCT is determined using LE or SM.


Tipo de documento:Artículo
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Received: March 26, 2013 / Accepted after revision: September 20, 2013 / Published online: March 13, 2014

Palabras clave:Central corneal thickness; Intraocular pressure; Lenstar; Specular microscopy
Materias:Ciencias Biomédicas > Medicina > Oftalmología
Ciencias Biomédicas > Óptica y optometría > Lentes de contacto
Ciencias Biomédicas > Óptica y optometría > Óptica oftálmica
Código ID:40863
Depositado:20 Ene 2017 11:58
Última Modificación:20 Ene 2017 11:58

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