| Customized ablation algorithm for the treatment of steep central islands after refractive laser surgery. | |
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MedLine Citation:
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PMID: 16765785 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Steep central island (SCI) formation after photorefractive keratectomy (PRK) and laser in situ keratomileusis (LASIK) represents a major drawback in the visual rehabilitation of patients after refractive laser surgery. Because of the small size of SCIs, current ablation algorithms are unable to properly calculate an ablation pattern for customized retreatment. We present the use of a new ablation algorithm for the treatment of SCIs that occurred after PRK or LASIK surgery. This algorithm uses a smaller zone of approximation and takes into account the spherical shift induced by removal of the SCI. In all 3 eyes treated, best spectacle-corrected visual acuity increased to 20/16 and remained stable at the 1- and 3-month follow-up, with disappearance of the SCI in corneal topography. This new treatment algorithm may be of benefit to patients experiencing visual side effects due to SCI formation after PRK or LASIK surgery. |
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Authors:
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Farhad Hafezi; Mirko Jankov; Michael Mrochen; Christian Wüllner; Theo Seiler |
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Publication Detail:
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Type: Case Reports; Journal Article |
Journal Detail:
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Title: Journal of cataract and refractive surgery Volume: 32 ISSN: 0886-3350 ISO Abbreviation: J Cataract Refract Surg Publication Date: 2006 May |
Date Detail:
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Created Date: 2006-06-12 Completed Date: 2006-07-24 Revised Date: 2007-11-15 |
Medline Journal Info:
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Nlm Unique ID: 8604171 Medline TA: J Cataract Refract Surg Country: United States |
Other Details:
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Languages: eng Pagination: 717-21 Citation Subset: IM |
Affiliation:
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Institute for Refractive and Ophthalmic Surgery, Zurich, Switzerland. farhad.hafezi@iroc.ch |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Algorithms* Corneal Stroma / pathology, surgery* Corneal Topography Humans Keratomileusis, Laser In Situ / methods* Male Middle Aged Postoperative Complications* Refractive Errors / etiology Refractive Surgical Procedures* Reoperation Vision Disorders / etiology, surgery* Visual Acuity |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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