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KMID : 0360220180590090827
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Journal of the Korean Ophthalmological Society
2018 Volume.59 No. 9 p.827 ~ p.833
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Comparison of Intraocular Lens Power Calculation Methods after Refractive Surgery Provided by the ASCRS
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Jung So-Yeon
Jung Ji-Won
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Abstract
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Purpose: Methods of intraocular lens (IOL) calculations for cataract surgery after myopic corneal refractive surgery were compared.
Methods: The medical records of 23 eyes from 20 patients were retrospectively analyzed. Five methods - Haigis L and Barrett no history method from Post-Refractive IOL Calculator of American Society of Cataract and Refractive Surgery (ASCRS), Shammas no history method, Haigis suite from IOL Master 700, and clinical history method - were used.
Results: The Barrette no history method from the ASCRS showed the lowest arithmetic errors, while the Haigis-L from the ASCRS showed the lowest absolute prediction errors (-0.38 ± 0.99 diopters [D] and 0.76 ± 0.68 D, respectively). The percentages of refractive prediction errors within 0.50 D and 1.00 D of the Barrett no history method were 52.2% and 82.6%, respectively.
Conclusions: The Barrette no history method and Haigis-L from the ASCRS showed the smallest errors in this study. The Barrett no history method showed a high percentage of refractive prediction errors within 0.50 D and 1.00 D.
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KEYWORD
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American Society of Cataract and Refractive Surgery (ASCRS) intraocular lens (IOL) calculator, Cataract, Corneal refractive surgery, IOL power calculation
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