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Corneal Power Measurement After Laser In Situ Keratomileusis

Corneal Power Measurement After Laser In Situ Keratomileusis We read with great interest the article by Sónego-Krone et al1 on corneal power measurement after laser in situ keratomileusis (LASIK). We congratulate the authors on their efforts to collect all these data and contribute their findings. However, we would like to comment on the data collection of the study, in particular the postoperative follow-up information. In this study, the authors evaluated the corneal power with the Orbscan ΙΙ topography system before and after LASIK and compared the corneal power changes with the refractive changes at the corneal plane. The mean ± SD follow-up for postoperative refraction and topography was 2.54 ± 1.66 months, ranging from 1 to 6 months. As we all know, after a myopic LASIK it usually takes 3 or more months to allow the cornea and refraction to stabilize. For extreme myopic correction, it may take longer.2 When the authors collected data at 1 month after LASIK, they could have obtained inaccurate results. Therefore, the outcomes and conclusion based on these data might be argued. We would like to see observations on those patients who had topography and refraction at least 3 months after LASIK, when the refraction and cornea should be stabilized. Correspondence: Dr Jin, The Eye Institute of Utah, 755 E 3900 South, Salt Lake City, UT 84107 (georgejin@hotmail.com). References 1. Sónego-Krone SLópez-Moreno GBeaujon-Balbi OArce CGSchor PCampos M A direct method to measure the power of the central cornea after myopic laser in situ keratomileusis. Arch Ophthalmol 2004;122159- 166PubMedGoogle ScholarCrossref 2. Lyle WAJin GJC Laser in situ keratomileusis with the VISX Star laser for myopia over −10.0 diopters. J Cataract Refract Surg 2001;271812- 1822PubMedGoogle ScholarCrossref http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Archives of Ophthalmology American Medical Association

Corneal Power Measurement After Laser In Situ Keratomileusis

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Publisher
American Medical Association
Copyright
Copyright © 2005 American Medical Association. All Rights Reserved.
ISSN
0003-9950
eISSN
1538-3687
DOI
10.1001/archopht.123.3.410-a
Publisher site
See Article on Publisher Site

Abstract

We read with great interest the article by Sónego-Krone et al1 on corneal power measurement after laser in situ keratomileusis (LASIK). We congratulate the authors on their efforts to collect all these data and contribute their findings. However, we would like to comment on the data collection of the study, in particular the postoperative follow-up information. In this study, the authors evaluated the corneal power with the Orbscan ΙΙ topography system before and after LASIK and compared the corneal power changes with the refractive changes at the corneal plane. The mean ± SD follow-up for postoperative refraction and topography was 2.54 ± 1.66 months, ranging from 1 to 6 months. As we all know, after a myopic LASIK it usually takes 3 or more months to allow the cornea and refraction to stabilize. For extreme myopic correction, it may take longer.2 When the authors collected data at 1 month after LASIK, they could have obtained inaccurate results. Therefore, the outcomes and conclusion based on these data might be argued. We would like to see observations on those patients who had topography and refraction at least 3 months after LASIK, when the refraction and cornea should be stabilized. Correspondence: Dr Jin, The Eye Institute of Utah, 755 E 3900 South, Salt Lake City, UT 84107 (georgejin@hotmail.com). References 1. Sónego-Krone SLópez-Moreno GBeaujon-Balbi OArce CGSchor PCampos M A direct method to measure the power of the central cornea after myopic laser in situ keratomileusis. Arch Ophthalmol 2004;122159- 166PubMedGoogle ScholarCrossref 2. Lyle WAJin GJC Laser in situ keratomileusis with the VISX Star laser for myopia over −10.0 diopters. J Cataract Refract Surg 2001;271812- 1822PubMedGoogle ScholarCrossref

Journal

Archives of OphthalmologyAmerican Medical Association

Published: Mar 1, 2005

Keywords: keratomileusis, laser in situ,cornea

References

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