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The design and use of a new near-vision chart

Bailey, Ian L. & Lovie-Kitchin, Jan E. (1980) The design and use of a new near-vision chart. American Journal of Optometry and Physiological Optics, 57(6), pp. 378-387.

Abstract

This paper describes the design of a new near-vision chart that uses unrelated words arranged in a logarithmic progression of size and that has standardized the test task by controlling typeface, spacings, and number of words per row, and making each group of words of approximately equal difficulty. These charts offer special advantages for systematic assessment of reading acuity and visual efficiency for reading. The logarithmic progression of print size on these charts can be used to facilitate prediction of the magnitude of changes in visual performance resulting from changes in optical parameters, and the magnitude of changes in optical parameters required to achieve desired levels of visual performance. Simple methods for converting from point size scaling to M units or Snellen equivalents are also described.

Impact and interest:

122 citations in Scopus
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105 citations in Web of Science®

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ID Code: 5723
Item Type: Journal Article
Additional Information: For more information please refer to the publisher's website (link above) or contact the author: j.lovie-kitchin@qut.edu.au
Additional URLs:
Keywords: vision charts, near acuity, Bailey, Lovie chart
ISSN: 0093-7002
Subjects: Australian and New Zealand Standard Research Classification > MEDICAL AND HEALTH SCIENCES (110000) > OPTOMETRY AND OPHTHALMOLOGY (111300)
Divisions: Current > QUT Faculties and Divisions > Faculty of Health
Current > Institutes > Institute of Health and Biomedical Innovation
Copyright Owner: Copyright 1980 American Academy of Optometry
Deposited On: 01 Dec 2006
Last Modified: 15 Jan 2009 17:16

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