The thinnest, steepest, and maximum elevation Corneal locations in noncontact and contact lens wearers in keratoconus
Main Author: | |
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Publication Date: | 2013 |
Other Authors: | , |
Format: | Article |
Language: | eng |
Source: | Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
Download full: | http://hdl.handle.net/1822/20727 |
Summary: | PURPOSE:: To assess the relationship between the thinnest corneal location and the steepest and maximum elevation corneal locations in subjects with keratoconus and the effect of gas permeable contact lens wear on the location of these points. METHODS:: Sixty-one consecutive subjects (98 eyes) with keratoconus. Thirty-one (49 eyes) and 30 (49 eyes) subjects were gas permeable contact lens (CL-W) and non-contact lens wearers (N-CL), respectively. Thinnest, steepest, and maximum elevation corneal locations were evaluated from topographies collected with Pentacam Eye Scanner. RESULTS:: In the entire sample and in N-CL and CL-W, the thinnest location does not overlap with the steepest or maximum elevation corneal locations (all P > 0.05). The thinnest and maximum tangential curvature locations were found to be located further away from the geometric center of the cornea in CL-W versus N-CL (P < 0.05). CONCLUSION:: The thinnest corneal location does not overlap with maximum axial and tangential curvatures or with the front and back elevation locations in keratoconus subjects. Contact lens wear does not affect this lack of overlapping. |
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The thinnest, steepest, and maximum elevation Corneal locations in noncontact and contact lens wearers in keratoconusKeratoconusContact lensCorneal thicknessPentacamcorneacontact lensesScience & TechnologyPURPOSE:: To assess the relationship between the thinnest corneal location and the steepest and maximum elevation corneal locations in subjects with keratoconus and the effect of gas permeable contact lens wear on the location of these points. METHODS:: Sixty-one consecutive subjects (98 eyes) with keratoconus. Thirty-one (49 eyes) and 30 (49 eyes) subjects were gas permeable contact lens (CL-W) and non-contact lens wearers (N-CL), respectively. Thinnest, steepest, and maximum elevation corneal locations were evaluated from topographies collected with Pentacam Eye Scanner. RESULTS:: In the entire sample and in N-CL and CL-W, the thinnest location does not overlap with the steepest or maximum elevation corneal locations (all P > 0.05). The thinnest and maximum tangential curvature locations were found to be located further away from the geometric center of the cornea in CL-W versus N-CL (P < 0.05). CONCLUSION:: The thinnest corneal location does not overlap with maximum axial and tangential curvatures or with the front and back elevation locations in keratoconus subjects. Contact lens wear does not affect this lack of overlapping.Clinical & Experimental Optometry Research LabMenicon Co., Ltd.Center of Physics, University of Minho, Braga, PortugalLippincott, Williams & WilkinsUniversidade do MinhoRomero-Jimenez, MiguelSantodomingo-Rubido, JacintoGonzález-Méijome, José Manuel20132013-01-01T00:00:00Zinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfhttp://hdl.handle.net/1822/20727eng0277-374010.1097/ICO.0b013e318259c98a22941349info:eu-repo/semantics/openAccessreponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãoinstacron:RCAAP2023-07-21T12:44:20Zoai:repositorium.sdum.uminho.pt:1822/20727Portal AgregadorONGhttps://www.rcaap.pt/oai/openaireopendoar:71602024-03-19T19:41:59.807333Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãofalse |
dc.title.none.fl_str_mv |
The thinnest, steepest, and maximum elevation Corneal locations in noncontact and contact lens wearers in keratoconus |
title |
The thinnest, steepest, and maximum elevation Corneal locations in noncontact and contact lens wearers in keratoconus |
spellingShingle |
The thinnest, steepest, and maximum elevation Corneal locations in noncontact and contact lens wearers in keratoconus Romero-Jimenez, Miguel Keratoconus Contact lens Corneal thickness Pentacam cornea contact lenses Science & Technology |
title_short |
The thinnest, steepest, and maximum elevation Corneal locations in noncontact and contact lens wearers in keratoconus |
title_full |
The thinnest, steepest, and maximum elevation Corneal locations in noncontact and contact lens wearers in keratoconus |
title_fullStr |
The thinnest, steepest, and maximum elevation Corneal locations in noncontact and contact lens wearers in keratoconus |
title_full_unstemmed |
The thinnest, steepest, and maximum elevation Corneal locations in noncontact and contact lens wearers in keratoconus |
title_sort |
The thinnest, steepest, and maximum elevation Corneal locations in noncontact and contact lens wearers in keratoconus |
author |
Romero-Jimenez, Miguel |
author_facet |
Romero-Jimenez, Miguel Santodomingo-Rubido, Jacinto González-Méijome, José Manuel |
author_role |
author |
author2 |
Santodomingo-Rubido, Jacinto González-Méijome, José Manuel |
author2_role |
author author |
dc.contributor.none.fl_str_mv |
Universidade do Minho |
dc.contributor.author.fl_str_mv |
Romero-Jimenez, Miguel Santodomingo-Rubido, Jacinto González-Méijome, José Manuel |
dc.subject.por.fl_str_mv |
Keratoconus Contact lens Corneal thickness Pentacam cornea contact lenses Science & Technology |
topic |
Keratoconus Contact lens Corneal thickness Pentacam cornea contact lenses Science & Technology |
description |
PURPOSE:: To assess the relationship between the thinnest corneal location and the steepest and maximum elevation corneal locations in subjects with keratoconus and the effect of gas permeable contact lens wear on the location of these points. METHODS:: Sixty-one consecutive subjects (98 eyes) with keratoconus. Thirty-one (49 eyes) and 30 (49 eyes) subjects were gas permeable contact lens (CL-W) and non-contact lens wearers (N-CL), respectively. Thinnest, steepest, and maximum elevation corneal locations were evaluated from topographies collected with Pentacam Eye Scanner. RESULTS:: In the entire sample and in N-CL and CL-W, the thinnest location does not overlap with the steepest or maximum elevation corneal locations (all P > 0.05). The thinnest and maximum tangential curvature locations were found to be located further away from the geometric center of the cornea in CL-W versus N-CL (P < 0.05). CONCLUSION:: The thinnest corneal location does not overlap with maximum axial and tangential curvatures or with the front and back elevation locations in keratoconus subjects. Contact lens wear does not affect this lack of overlapping. |
publishDate |
2013 |
dc.date.none.fl_str_mv |
2013 2013-01-01T00:00:00Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://hdl.handle.net/1822/20727 |
url |
http://hdl.handle.net/1822/20727 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
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0277-3740 10.1097/ICO.0b013e318259c98a 22941349 |
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info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf |
dc.publisher.none.fl_str_mv |
Lippincott, Williams & Wilkins |
publisher.none.fl_str_mv |
Lippincott, Williams & Wilkins |
dc.source.none.fl_str_mv |
reponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação instacron:RCAAP |
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Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação |
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RCAAP |
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RCAAP |
reponame_str |
Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
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Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
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Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação |
repository.mail.fl_str_mv |
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1799132971541725184 |