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      Holographic Interferometry of Excimer-Laser-Ablated Bovine Eyes: First Results

      research-article
      Author(s): a , a , b
      Publication date (Electronic):
      Journal: Ophthalmologica
      Publisher: S. Karger AG
      Keywords: Excimer laser ablation, Biomechanics, Cornea

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          Abstract

          Purpose: To investigate the effects of areal corneal ablations of different depth on the biomechanical properties of the cornea. Method: The qualitative change of the holographic interferometric fringe pattern of enucleated bovine corneas due to areal mechanical ablations (group A) of 35% and 70% depth of the central cornea and 15, 30, and 50% excimer laser ablations in each eye (group B) was investigated. Results: Ablations of 50% (group B) and 70% (group A) showed a significant variation of the fringe pattern as an effect of the corneal weakening. 15% excimer laser ablations of 5 mm diameter did not result in noticeable changes of the fringe pattern. Half of the 30% ablated corneas in group B showed newly appearing fringes within the area of ablation, indicating a local reduction of the corneal stiffness after ablation. Conclusion: The thickness of the remaining tissue is very important for the biomechanical behavior of the cornea after areal ablations. There are interindividual differences regarding the change of material properties due to excimer laser ablation of 30% depth of ablation.

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          Iatrogenic keratectasia after laser in situ keratomileusis for less than −4.0 to −7.0 diopters of myopia

          S.Percy Amoils, Mark B Deist, Petrus N.J. Gous … (2000)
          Article 0 comments Cited 9 times – based on 0 reviews     Review now
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            Author and article information

            Journal
            Journal ID (publisher-id): OPH
            Journal ID (nlm-ta): Ophthalmologica
            Journal ID (doi): 10.1159/issn.0030-3755
            Title: Ophthalmologica
            Publisher: S. Karger AG
            ISSN (Print): 0030-3755
            ISSN (Electronic): 1423-0267
            Publication date Subscription-year: 2003
            Publication date (Print): February 2003
            Publication date (Electronic): 06 February 2003
            Volume: 217
            Issue: 1
            Pages: 62-67
            Affiliations
            aUniversity Eye Hospital, Münster, Germany; bWroclaw University of Technology, Wroclaw, Poland
            Article
            Publisher ID: 68241 Other ID: Ophthalmologica 2003;217:62–67
            DOI: 10.1159/000068241
            PubMed ID: 12566876
            SO-VID: e65426e0-a022-4852-92c0-37b0612a2c95
            Copyright © © 2003 S. Karger AG, Basel
            License:

            Copyright: All rights reserved. No part of this publication may be translated into other languages, reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying, recording, microcopying, or by any information storage and retrieval system, without permission in writing from the publisher. Drug Dosage: The authors and the publisher have exerted every effort to ensure that drug selection and dosage set forth in this text are in accord with current recommendations and practice at the time of publication. However, in view of ongoing research, changes in government regulations, and the constant flow of information relating to drug therapy and drug reactions, the reader is urged to check the package insert for each drug for any changes in indications and dosage and for added warnings and precautions. This is particularly important when the recommended agent is a new and/or infrequently employed drug. Disclaimer: The statements, opinions and data contained in this publication are solely those of the individual authors and contributors and not of the publishers and the editor(s). The appearance of advertisements or/and product references in the publication is not a warranty, endorsement, or approval of the products or services advertised or of their effectiveness, quality or safety. The publisher and the editor(s) disclaim responsibility for any injury to persons or property resulting from any ideas, methods, instructions or products referred to in the content or advertisements.

            History
            Date received : 19 March 2002
            Date accepted : 23 August 2002
            Page count
            Figures: 8, Tables: 1, References: 12, Pages: 6
            Categories
            Subject: Original Paper

            ScienceOpen disciplines: Vision sciences,Ophthalmology & Optometry,Pathology
            Keywords: Excimer laser ablation,Biomechanics,Cornea
            Data availability:
            ScienceOpen disciplines: Vision sciences, Ophthalmology & Optometry, Pathology
            Keywords: Excimer laser ablation, Biomechanics, Cornea

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