| Hyperopic shift after refractive keratotomy using the Casebeer System. | |
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MedLine Citation:
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PMID: 8915799 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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PURPOSE: To determine the degree of hyperopic shift following refractive keratotomy. SETTING: The Werblin Center, Princeton, West Virginia. METHODS: The results of 241 consecutive radial/astigmatic keratotomy procedures in 128 patients were studied. All procedures were performed using Casebeer nomograms. Refractive follow-up information was obtained for 78% of patients at 3 months (range 1 to 6 months), 1 year (range 6 to 21 months), and 3 years (range 30 to 44 months). RESULTS: Overall, the amount of hyperopic change decreased significantly (P < .05) during the 3 year period, from + 0.34 diopters (D) per year to + 0.12 D per year. Eyes with more than 6.0 D of preoperative intended correction were more unstable (+ 0.49 D in the first year and + 0.44 D in the second and third years) than eyes with less than 5.0 D (+ 0.27 D and + 0.05, respectively). CONCLUSION: Because the average magnitude of the hyperopic shift was + 0.6 D in the first 3 years after surgery, a slight undercorrection, -0.5 D to -0.7 D, should be the refractive endpoint for primary and enhanced refractive keratotomy surgery. |
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Authors:
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T P Werblin; G M Stafford |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: Journal of cataract and refractive surgery Volume: 22 ISSN: 0886-3350 ISO Abbreviation: J Cataract Refract Surg Publication Date: 1996 Oct |
Date Detail:
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Created Date: 1997-02-13 Completed Date: 1997-02-13 Revised Date: 2006-11-15 |
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: 1030-6 Citation Subset: IM |
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| MeSH Terms | |
Descriptor/Qualifier:
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Follow-Up Studies Humans Hyperopia / etiology*, physiopathology Keratotomy, Radial* / adverse effects, methods Myopia / physiopathology, surgery* Postoperative Complications* Visual Acuity |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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