| Accuracy of IOL calculation in cataract surgery. | |
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MedLine Citation:
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PMID: 9197564 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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The accuracy of IOL calculation using the SRK II formula was studied in 515 cataract extractions with posterior chamber IOLs. All excessively myopic patients (8 patients) and those where we had predicted an emmetropic postoperative result, from a consecutive series of 994 patients, were included. Preoperatively the patients were divided into different groups according to their refractive status and the mean postoperative refraction was calculated in each group. The mean postoperative refraction increased almost linearly with increasing myopic status. The emmetropic group achieved a mean postoperative refraction of -0.6 D, whilst in the most myopic group mean refraction was -1.8 D. We believe that the SRK II formula is inaccurate for myopic eyes, and that new formulas are needed, taking into account all those factors that make up the dioptric power of an eye. |
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Authors:
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R Brandser; E Haaskjold; L Drolsum |
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Publication Detail:
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Type: Comparative Study; Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: Acta ophthalmologica Scandinavica Volume: 75 ISSN: 1395-3907 ISO Abbreviation: Acta Ophthalmol Scand Publication Date: 1997 Apr |
Date Detail:
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Created Date: 1997-07-29 Completed Date: 1997-07-29 Revised Date: 2008-03-17 |
Medline Journal Info:
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Nlm Unique ID: 9507578 Medline TA: Acta Ophthalmol Scand Country: DENMARK |
Other Details:
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Languages: eng Pagination: 162-5 Citation Subset: IM |
Affiliation:
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Department of Ophthalmology, Rikshospitalet, Oslo, Norway. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Aged Aged, 80 and over Cataract Extraction* / adverse effects Female Follow-Up Studies Humans Lenses, Intraocular* Male Mathematics* Middle Aged Postoperative Complications / etiology, physiopathology Predictive Value of Tests Refraction, Ocular Refractive Errors / etiology, physiopathology Reproducibility of Results Retrospective Studies Visual Acuity |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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