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Cross Cylinder Scan Test for Astigmatism: A Computer Approach

Cross Cylinder Scan Test for Astigmatism: A Computer Approach Abstract A new test has been devised to use in cases of refraction in which retinoscopy or astigmatic dial tests are unsatisfactory. An exact plan of cross cylinder testing is done to "scan" the principal meridians. The results are consolidated to indicate the approximate axis of astigmatism. The test is based on and conforms to computer methods. References 1. Goar, E.L.: Hints on Refraction , Texas Med 64:30-31 ( (Aug) ) 1968. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Archives of Ophthalmology American Medical Association

Cross Cylinder Scan Test for Astigmatism: A Computer Approach

Archives of Ophthalmology , Volume 82 (3) – Sep 1, 1969

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Publisher
American Medical Association
Copyright
Copyright © 1969 American Medical Association. All Rights Reserved.
ISSN
0003-9950
eISSN
1538-3687
DOI
10.1001/archopht.1969.00990020332006
Publisher site
See Article on Publisher Site

Abstract

Abstract A new test has been devised to use in cases of refraction in which retinoscopy or astigmatic dial tests are unsatisfactory. An exact plan of cross cylinder testing is done to "scan" the principal meridians. The results are consolidated to indicate the approximate axis of astigmatism. The test is based on and conforms to computer methods. References 1. Goar, E.L.: Hints on Refraction , Texas Med 64:30-31 ( (Aug) ) 1968.

Journal

Archives of OphthalmologyAmerican Medical Association

Published: Sep 1, 1969

References