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Intraocular lens power calculation in eyes with prior refractive surgery Kimimasa Muranaka 1 , Mari Komatsu 2 , Hiroshi Uozato 3 , Kimiya Shimizu 4 1Division of Ophthalmol, Tokyo Univ Hosp 2Dept of Ophthalmol, Sannou Hosp 3Orhtoptics and Visual Science, Kitasato Univ Sch of Allied Health Sciences 4Dept of Ophthalmol, Kitasato Univ Sch of Med pp.448-453
Published Date 2001/4/15
DOI https://doi.org/10.11477/mf.1410907237
  • Abstract
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We assessed the accuracy of three methods in calculating the power of intraocular lens (IOL) in 5 eyes with prior refractive surgery. Radial keratotomy had been performed in 3 eyes and LASIK (laser in situ keratomileusis) in 2 eyes. The IOL power was determined using the SRK /T formula and the axial length. The K value was obtained by : keratometric readings, spherical equivalent refraction change i. e. clinical history method, and keratometric values of the anterior and posterior corneal surface using OrbscanTM. At 1 month after surgery, the latter two methods gave better results than the first. There was a shift toward hyperopia in 4 of the 5 eyes. There was no case needing IOL re-insertion.


Copyright © 2001, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1308 印刷版ISSN 0370-5579 医学書院

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