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Contrast sensitivity after LASIK, LASEK, and wavefront-guided LASEK with the VISX S4 laser

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dc.contributor.authorKim, Tae Wan-
dc.contributor.authorWee, Won Ryang-
dc.contributor.authorLee, Jin Hak-
dc.contributor.authorKim, Mee Kum-
dc.date.accessioned2009-12-11T04:57:32Z-
dc.date.available2009-12-11T04:57:32Z-
dc.date.issued2007-
dc.identifier.citationJ Refract Surg. 2007;23:355-361en
dc.identifier.issn1081-597X (Print)-
dc.identifier.urihttp://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&dopt=Citation&list_uids=17455830-
dc.identifier.urihttps://hdl.handle.net/10371/20029-
dc.description.abstractPURPOSE: To evaluate the changes in contrast sensitivity and glare after corneal refractive surgery for moderate myopia. METHODS: The study comprised 267 eyes of 149 patients who underwent LASIK, laser epithelial keratomileusis (LASEK), or wavefront-guided LASEK with the VISX STAR S4. Contrast sensitivity was measured with VCTS 6500 before surgery and at 2 and 6 months postoperatively. Glare was evaluated using questionnaires and the ALC glare test at last follow-up. Contrast sensitivity at 2 and 6 months was compared with preoperative contrast sensitivity in each group. Glare sensitivity in each group was compared to normal controls. RESULTS: Contrast sensitivity did not change after LASIK (P > .05). Contrast sensitivity of 3 and 6 cycles per degree (cpd) at 2 months increased after LASEK (P < .05) and contrast sensitivity of 6, 12, and 18 cpd at 2 months and 3, 6, 12, and 18 cpd at 6 months improved in wavefront-guided LASEK (P < .05). Glare test and questionnaires did not show any significant difference between the groups. CONCLUSIONS: Wavefront-guided LASEK induced significant increases in contrast sensitivity of moderate myopes at high spatial frequencies under mesopic conditions by 6 months. Glare was not affected by the different refractive procedures.en
dc.language.isoen-
dc.publisherSlack Incorporateden
dc.subjectAdulten
dc.subject*Contrast Sensitivityen
dc.subjectFemaleen
dc.subjectGlareen
dc.subjectHumansen
dc.subjectKeratectomy, Subepithelial, Laser-Assisted/*instrumentationen
dc.subject*Keratomileusis, Laser In Situen
dc.subject*Lasersen
dc.subjectMaleen
dc.subjectMyopia/*physiopathology/*surgeryen
dc.subjectQuestionnairesen
dc.subjectRetrospective Studiesen
dc.subjectTreatment Outcomeen
dc.subjectVisual Acuityen
dc.titleContrast sensitivity after LASIK, LASEK, and wavefront-guided LASEK with the VISX S4 laseren
dc.typeArticleen
dc.contributor.AlternativeAuthor김태완-
dc.contributor.AlternativeAuthor위원량-
dc.contributor.AlternativeAuthor이진학-
dc.contributor.AlternativeAuthor김미금-
Appears in Collections:
College of Medicine/School of Medicine (의과대학/대학원)Ophthalmology (안과학전공)Journal Papers (저널논문_안과학전공)
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