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The changes of posterior corneal surface and high-order aberrations after refractive surgery in moderate myopia
DC Field | Value | Language |
---|---|---|
dc.contributor.author | Lee, Min Joung | - |
dc.contributor.author | Lee, Sang Mok | - |
dc.contributor.author | Lee, Hyun Ju | - |
dc.contributor.author | Wee, Won Ryang | - |
dc.contributor.author | Lee, Jin Hak | - |
dc.contributor.author | Kim, Mee Kum | - |
dc.date.accessioned | 2009-12-11T04:58:58Z | - |
dc.date.available | 2009-12-11T04:58:58Z | - |
dc.date.issued | 2007-09-07 | - |
dc.identifier.citation | Korean J Ophthalmol. 2007;21:131-136 | en |
dc.identifier.issn | 1011-8942 (Print) | - |
dc.identifier.uri | http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&dopt=Citation&list_uids=17804916 | - |
dc.identifier.uri | https://hdl.handle.net/10371/20032 | - |
dc.description.abstract | PURPOSE: To compare forward shift of posterior corneal surface and higher-order aberration (HOA) changes after LASIK, LASEK, and wavefront-guided LASEK surgery in moderate myopia METHODS: One hundred eighty four eyes undergoing LASIK, LASEK and wavefront-guided LASEK with VISX STAR S4 were included in this study. The posterior corneal elevation was measured with Orbscan before, 2 and 4 months after surgery. Changes of the elevation were assessed using the difference map generated from preoperative and postoperative elevation maps. The values of higher-order aberrations were evaluated preoperatively and 2 months postoperatively with Wavefront aberrometer. RESULTS: The posterior corneal surface displayed forward shift of 27.2+/-11.45 micrometer, 24.3+/-9.76 micrometer in LASIK group, 23.4+/-10.5 micrometer, 23.6+/10.55 micrometer in LASEK group, 24.0+/-14.95 micrometer, 28.4+/-14.72 micrometer in wavefront-guided LASEK group at 2 months and 4 months, respectively. There were no statistically significant differences among those three groups, and between 2 and 4 months. The root mean score (RMS) of HOA was increased after LASIK and LASEK (p=0.000, p=0.000, respectively). The mean change of HOA-RMS was significantly smaller in wavefront-guided LASEK than LASIK or LASEK (p=0.000, p=0.000, respectively, Bonferroni-corrected). CONCLUSIONS: The changes of posterior corneal surface forward shift showed no difference among LASIK, LASEK and wavefront-guided LASEK in moderate myopia. HOAs were significantly increased after LASIK and LASEK. The changes of HOAs were significant smaller in wavefront-guided LASEK than LASIK or LASEK. | en |
dc.language.iso | en | - |
dc.publisher | Korean Journal of Ophthalmology | en |
dc.subject | Adult | en |
dc.subject | Humans | en |
dc.subject | Myopia/diagnosis/*physiopathology/*surgery | en |
dc.subject | Postoperative Period | en |
dc.subject | Severity of Illness Index | en |
dc.subject | Corneal Topography | - |
dc.subject | Refractive Surgical Procedures | - |
dc.title | The changes of posterior corneal surface and high-order aberrations after refractive surgery in moderate myopia | en |
dc.type | Article | en |
dc.contributor.AlternativeAuthor | 이민정 | - |
dc.contributor.AlternativeAuthor | 이상목 | - |
dc.contributor.AlternativeAuthor | 이현주 | - |
dc.contributor.AlternativeAuthor | 위원량 | - |
dc.contributor.AlternativeAuthor | 이진학 | - |
dc.contributor.AlternativeAuthor | 김미금 | - |
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