Computational simulation of scleral buckling surgery for rhegmatogenous retinal detachment: on the effect of the band size on the myopization

A finite element model (FE) of the eye including cornea, sclera, crystalline lens, and ciliary body was created to analyze the influence of the silicone encircling bandwidth and the tightness degree on the myopia induced by scleral buckling (SB) procedure for rhegmatogenous retinal detachment. Intra...

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Autores: Lanchares, Elena; Buey, María A. del; Cristóbal, José A.; Calvo, Begoña; Ascaso, Francisco J.; Malvè, Mauro
Tipo de documento: Artículo
Estado:Published version
Fecha de publicación:2016
País:España
Institución:Universidad Pública de Navarra
Repositorio:Academica-e. Repositorio Institucional de la Universidad Pública de Navarra
OAI Identifier:oai:academica-e.unavarra.es:2454/30512
Acceso en línea:https://hdl.handle.net/2454/30512
Nivel de acceso:Acceso abierto
Palabra clave:Scleral buckling surgery
Rhegmatogenous retinal detachment
Intraocular pressure
Myopia
Band size
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author Lanchares, Elena
author2 Buey, María A. del
Cristóbal, José A.
Calvo, Begoña
Ascaso, Francisco J.
Malvè, Mauro
author2_role author
author
author
author
author
author_browse Ascaso, Francisco J.
Buey, María A. del
Calvo, Begoña
Cristóbal, José A.
Lanchares, Elena
Malvè, Mauro
author_facet Lanchares, Elena
Buey, María A. del
Cristóbal, José A.
Calvo, Begoña
Ascaso, Francisco J.
Malvè, Mauro
author_role author
collection Academica-e. Repositorio Institucional de la Universidad Pública de Navarra
description A finite element model (FE) of the eye including cornea, sclera, crystalline lens, and ciliary body was created to analyze the influence of the silicone encircling bandwidth and the tightness degree on the myopia induced by scleral buckling (SB) procedure for rhegmatogenous retinal detachment. Intraocular pressure (IOP) was applied to the reference geometry of the FE model and then SB surgery was simulated with encircling bandwidths of 1, 2, and 2.5 mm. Different levels of tightening and three values of IOP were applied.The anterior segment resulted as unaffected by the surgery. The highest value of Cauchy stress appeared in the surroundings of the implant, whereas no increment of stress was observed either in anterior segment or in the optic nerve head. The initial IOP did not appear to play any role in the induced myopia.The wider the band, the greater the induced myopia: 0.44, 0.88, and 1.07 diopters (D) for the 1, 2, and 2.5mm bandwidth, respectively.Therefore, patients become more myopic with a wider encircling element. The proposed simulations allow determining the effect of the bandwidth or the tightness degree on the axial lengthening, thus predicting the myopic increment caused by the encircling surgery.
eu_rights_str_mv openAccess
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institution Universidad Pública de Navarra
instname_str Universidad Pública de Navarra
network_acronym_str ES
network_name_str España
oai_identifier_str oai:academica-e.unavarra.es:2454/30512
publishDate 2016
publishDateSort 2016
publisher Hindawi
publisherStr Hindawi
reponame_str Academica-e. Repositorio Institucional de la Universidad Pública de Navarra
spelling Computational simulation of scleral buckling surgery for rhegmatogenous retinal detachment: on the effect of the band size on the myopization Lanchares, Elena Buey, María A. del Cristóbal, José A. Calvo, Begoña Ascaso, Francisco J. Malvè, Mauro Scleral buckling surgery Rhegmatogenous retinal detachment Intraocular pressure Myopia Band size A finite element model (FE) of the eye including cornea, sclera, crystalline lens, and ciliary body was created to analyze the influence of the silicone encircling bandwidth and the tightness degree on the myopia induced by scleral buckling (SB) procedure for rhegmatogenous retinal detachment. Intraocular pressure (IOP) was applied to the reference geometry of the FE model and then SB surgery was simulated with encircling bandwidths of 1, 2, and 2.5 mm. Different levels of tightening and three values of IOP were applied.The anterior segment resulted as unaffected by the surgery. The highest value of Cauchy stress appeared in the surroundings of the implant, whereas no increment of stress was observed either in anterior segment or in the optic nerve head. The initial IOP did not appear to play any role in the induced myopia.The wider the band, the greater the induced myopia: 0.44, 0.88, and 1.07 diopters (D) for the 1, 2, and 2.5mm bandwidth, respectively.Therefore, patients become more myopic with a wider encircling element. The proposed simulations allow determining the effect of the bandwidth or the tightness degree on the axial lengthening, thus predicting the myopic increment caused by the encircling surgery. The authors wish to acknowledge the research support by the Spanish Ministry of Education and Science Research Project DPI2014-54981R, the CIBER initiative, Instituto de Salud Carlos III (ISCIII) Platformfor Biological Tissue Characterization of the Centro de Investigación Biomédica en Red en Bioingeniería, Biomateriales y Nanomedicina (CIBERBBN), and the Department of Industry and Innovation (Government of Aragón) through the research group Grant T88 (Fondo Social Europeo). Hindawi https://hdl.handle.net/2454/30512
spellingShingle Computational simulation of scleral buckling surgery for rhegmatogenous retinal detachment: on the effect of the band size on the myopization
Lanchares, Elena
Scleral buckling surgery
Rhegmatogenous retinal detachment
Intraocular pressure
Myopia
Band size
status_str publishedVersion
title Computational simulation of scleral buckling surgery for rhegmatogenous retinal detachment: on the effect of the band size on the myopization
title_full Computational simulation of scleral buckling surgery for rhegmatogenous retinal detachment: on the effect of the band size on the myopization
title_fullStr Computational simulation of scleral buckling surgery for rhegmatogenous retinal detachment: on the effect of the band size on the myopization
title_full_unstemmed Computational simulation of scleral buckling surgery for rhegmatogenous retinal detachment: on the effect of the band size on the myopization
title_short Computational simulation of scleral buckling surgery for rhegmatogenous retinal detachment: on the effect of the band size on the myopization
title_sort Computational simulation of scleral buckling surgery for rhegmatogenous retinal detachment: on the effect of the band size on the myopization
topic Scleral buckling surgery
Rhegmatogenous retinal detachment
Intraocular pressure
Myopia
Band size
topic_facet Scleral buckling surgery
Rhegmatogenous retinal detachment
Intraocular pressure
Myopia
Band size
url https://hdl.handle.net/2454/30512