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A Comparison Between Tonography and Suction Cup Decay

A Comparison Between Tonography and Suction Cup Decay Abstract Tonography, introduced by Grant,1 has been accepted as a useful and practical clinical technique for the measurement of the facility of outflow. More recently, the classical suction cup technique,2,3 has been modified to provide a second clinical method for this measurement. Galin,4 using a suction cup decay method, observed that it was as efficacious clinically as tonography. Furthermore, the results of suction correlated well with those of tonography. Langham,5 using a more complex analysis, also favors the suction cup. In four other comparisons between the two methods with small groups of patients two favor tonography6,7 and two favor suction cup.8,9 The aim of this study is the evaluation and comparison of the two techniques from a practical point of view without consideration of the theoretical aspects. The ability to perform the test as well as the repeatability and diagnostic separability of the results have References 1. Grant, W.M.: Clinical Measurements of Aqueous Outflow , Arch Ophthal 46:113, 1951.Crossref 2. Rosengren, B.: Rise in Ocular Tension Produced by Circumlimbal Pressure in the Sclera , Trans Ophthal Soc UK 76:65, 1956. 3. Ericson, L.A.: Twenty-Four Hourly Variations of the Aqueous Flow , Acta Ophthal , (suppl 501) , p 1, 1958. 4. Galin, M.A., et al: A Comparison of Tonography and Suction , Arch Ophthal 70:202, 1963.Crossref 5. Langham, M., and Maumennee, A.F.: The Diagnosis and Treatment of Glaucoma Based on a New Procedure for the Measurement of Intraocular Pressure , Trans Amer Acad Ophthal Otolaryng 68:277, 1964. 6. Avello, J.J.: The Methods of Grant and Galin for the Determination of Resistance to Aqueous Outflow , Ann Oculist 97:1066, 1964. 7. Chervin, M.: Tonography and Suction Cup Test for the Early Diagnosis of Glaucoma , Arch Oftal B Air 39:227, 1964. 8. Fukuchi, Y.: Perilimbal Suction Cup , Acta Soc Ophthal Jap 68:265, 1964. 9. Pasaminik, S., and Rojas, W.: Perilimbal Suction Cup in the Diagnosis of Open Angle Glaucoma , Arch Chil Oftal 21:12, 1964. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Archives of Ophthalmology American Medical Association

A Comparison Between Tonography and Suction Cup Decay

Archives of Ophthalmology , Volume 76 (1) – Jul 1, 1966

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Publisher
American Medical Association
Copyright
Copyright © 1966 American Medical Association. All Rights Reserved.
ISSN
0003-9950
eISSN
1538-3687
DOI
10.1001/archopht.1966.03850010018006
Publisher site
See Article on Publisher Site

Abstract

Abstract Tonography, introduced by Grant,1 has been accepted as a useful and practical clinical technique for the measurement of the facility of outflow. More recently, the classical suction cup technique,2,3 has been modified to provide a second clinical method for this measurement. Galin,4 using a suction cup decay method, observed that it was as efficacious clinically as tonography. Furthermore, the results of suction correlated well with those of tonography. Langham,5 using a more complex analysis, also favors the suction cup. In four other comparisons between the two methods with small groups of patients two favor tonography6,7 and two favor suction cup.8,9 The aim of this study is the evaluation and comparison of the two techniques from a practical point of view without consideration of the theoretical aspects. The ability to perform the test as well as the repeatability and diagnostic separability of the results have References 1. Grant, W.M.: Clinical Measurements of Aqueous Outflow , Arch Ophthal 46:113, 1951.Crossref 2. Rosengren, B.: Rise in Ocular Tension Produced by Circumlimbal Pressure in the Sclera , Trans Ophthal Soc UK 76:65, 1956. 3. Ericson, L.A.: Twenty-Four Hourly Variations of the Aqueous Flow , Acta Ophthal , (suppl 501) , p 1, 1958. 4. Galin, M.A., et al: A Comparison of Tonography and Suction , Arch Ophthal 70:202, 1963.Crossref 5. Langham, M., and Maumennee, A.F.: The Diagnosis and Treatment of Glaucoma Based on a New Procedure for the Measurement of Intraocular Pressure , Trans Amer Acad Ophthal Otolaryng 68:277, 1964. 6. Avello, J.J.: The Methods of Grant and Galin for the Determination of Resistance to Aqueous Outflow , Ann Oculist 97:1066, 1964. 7. Chervin, M.: Tonography and Suction Cup Test for the Early Diagnosis of Glaucoma , Arch Oftal B Air 39:227, 1964. 8. Fukuchi, Y.: Perilimbal Suction Cup , Acta Soc Ophthal Jap 68:265, 1964. 9. Pasaminik, S., and Rojas, W.: Perilimbal Suction Cup in the Diagnosis of Open Angle Glaucoma , Arch Chil Oftal 21:12, 1964.

Journal

Archives of OphthalmologyAmerican Medical Association

Published: Jul 1, 1966

References