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      • Record: found
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      Optimal Pupil Diameter for Scheimpflug Slit Image Photography of the Lens in Man

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          Abstract

          Densitometric analysis of Scheimpflug photography of the lens has been examined as a function of pupil diameter in normal volunteers. On the basis of both the length of the lens waveform and the integral area under the curve of the lens waveform, there is a critical pupil diameter above which the waveform is unchanged. Below this critical diameter the waveform becomes distorted by shortening and a change in shape. The critical pupil diameter is between 6 and 6.5 mm. This result is of importance either in longitudinal studies, where the pupil diameter may not be reproducible, or in studies where other drugs are used which may prevent full pupil dilatation.

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          Author and article information

          Journal
          Journal ID (publisher-id): ORE
          Journal ID (nlm-ta): Ophthalmic Res
          Journal ID (doi): 10.1159/issn.0030-3747
          Title: Ophthalmic Research
          Publisher: S. Karger AG
          ISSN (Print): 0030-3747
          ISSN (Electronic): 1423-0259
          Publication date Subscription-year: 1992
          Publication date (Print): 1992
          Publication date (Electronic): 10 December 2009
          Volume: 24
          Issue: 1
          Pages: 15-19
          Affiliations
          Department of aOphthalmology and bPhysiology and Endocrinology, Medical College of Georgia, Augusta, Ga., USA
          Article
          Publisher ID: 267139 Other ID: Ophthalmic Res 1992;24:15–19
          DOI: 10.1159/000267139
          PubMed ID: 1608587
          SO-VID: f1589a2c-d659-4e20-b7da-5b70fc2de800
          Copyright © © 1992 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 : 15 January 1991
          Date accepted : 27 January 1991
          Page count
          Pages: 5
          Categories
          Subject: Original Paper

          ScienceOpen disciplines: Vision sciences,Ophthalmology & Optometry,Pathology
          Keywords: Densitometry,Scheimpflug photography,Pupil diameter,Lens waveform,Mydriasis effects
          Data availability:
          ScienceOpen disciplines: Vision sciences, Ophthalmology & Optometry, Pathology
          Keywords: Densitometry, Scheimpflug photography, Pupil diameter, Lens waveform, Mydriasis effects

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