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https://hdl.handle.net/1822/54824
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Campo DC | Valor | Idioma |
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dc.contributor.author | Queirós, A. | por |
dc.contributor.author | Sousa, Ana Amorim de | por |
dc.contributor.author | Lopes-Ferreira, Daniela | por |
dc.contributor.author | Villa-Collar, César | por |
dc.contributor.author | Ramón Gutiérrez, Ángel | por |
dc.contributor.author | González-Méijome, José Manuel | por |
dc.date.accessioned | 2018-05-21T09:41:36Z | - |
dc.date.available | 2018-05-21T09:41:36Z | - |
dc.date.issued | 2018 | - |
dc.identifier | 2326-0254 | en_US |
dc.identifier.citation | Queirós, António; Amorim-de-Sousa, Ana; Lopes-Ferreira, Daniela; Villa-Collar, César; Gutiérrez, AR; González-Méijome, JM. Relative Peripheral Refraction across 4 meridians after Orthokeratology and LASIK surgery, Eye and Vision, 5, 12, 1-8, 2018. | por |
dc.identifier.issn | 2326-0254 | por |
dc.identifier.uri | https://hdl.handle.net/1822/54824 | - |
dc.description.abstract | Background: To characterize the axial and off-axis refraction across four meridians of the retina in myopic eyes before and after Orthokeratology (OK) and LASIK surgery. Methods: Sixty right eyes with a spherical equivalent (M) between − 0.75 to − 5.25 D (cylinder <− 1.00 D) underwent LASIK (n = 26) or OK (n = 34) to treat myopia. Axial and off-axis refraction were measured with an open-field autorefractometer before and after stabilized treatments. Off-axis measurements were obtained for the horizontal (35° nasal and temporal retina) and vertical (15° superior and inferior retina) meridians, and for two oblique directions (45–225° and 135–315°) up to 20° of eccentricity. The refractive profile was addressed as relative peripheral refractive error (RPRE). Results: OK and LASIK post-treatment results showed an increase of myopic relative refraction at several eccentric locations. At the four meridians evaluated, the M component of the pre-treatment RPRE values was not statistically different (p > 0.05) from the post-treatment RPRE within 30° and 20° of the central visual field after LASIK and OK, respectively. These results demonstrated that the treatment zone warrants an optimal central field of vision. Conclusions: The present study gives an overview of RPRE after refractive corneal reshaping treatments (OK and LASIK) across vertical, horizontal and two oblique meridians together. This allows a 3D representation of RPRE at the retina and shows that the myopic shift induced by both treatments is more relevant in horizontal directions. | por |
dc.description.sponsorship | Supported in part by a grant to AQ (SFRH/BD/61768/2009), projects PTDC/ SAU-BEB/098391/2008, PTDC/SAU-BEB/098392/2008 and the Strategic Project PEST-C/FIS/UI607/2011 from the Science and Technology Foundation of Portuguese Ministry of Science and Higher Education. | por |
dc.language.iso | eng | por |
dc.publisher | BMC | por |
dc.relation | info:eu-repo/grantAgreement/FCT/SFRH/SFRH%2FBD%2F61768%2F2009/PT | por |
dc.relation | info:eu-repo/grantAgreement/FCT/5876-PPCDTI/98392/PT | por |
dc.rights | openAccess | por |
dc.subject | LASIK surgery | por |
dc.subject | Orthokeratology | por |
dc.subject | Peripheral refraction | por |
dc.subject | Myopia progression | por |
dc.title | Relative peripheral refraction across 4 meridians after orthokeratology and LASIK surgery | por |
dc.type | article | - |
dc.peerreviewed | yes | por |
oaire.citationIssue | 12 | por |
oaire.citationVolume | 5 | por |
dc.date.updated | 2018-05-21T09:02:09Z | - |
dc.identifier.doi | 10.1186/s40662-018-0106-1 | por |
dc.description.publicationversion | info:eu-repo/semantics/publishedVersion | por |
dc.subject.wos | Science & Technology | por |
sdum.journal | Eye and Vision | por |
Aparece nas coleções: | CDF - OCV - Artigos/Papers (with refereeing) |
Ficheiros deste registo:
Ficheiro | Descrição | Tamanho | Formato | |
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Queiros_18_EyeVision (Relative peripheral refraction across 4 meridians LASIK vs OK).pdf | 1,84 MB | Adobe PDF | Ver/Abrir |