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The A and V Syndromes

The A and V Syndromes This article is only available in the PDF format. Download the PDF to view the article, as well as its associated figures and tables. Abstract In the past decade there has been a growing interest in cases of horizontal strabismus in which the amount of deviation varies significantly between supraand infraversion. The cases exhibiting this vertical incomitance of horizontal squint have been graphically designated the "A" and "V" phenomena or syndromes. Those cases that are more divergent or less convergent in upward gaze demonstrate the V, whereas those that are more divergent or less convergent in downward gaze demonstrate the A. Although there is general agreement about the existence of such cases, with estimates of their frequency varying between 10% and 50% of all horizontal strabismus, there is wide disagreement as to their etiology and consequently their treatment. There are three schools of thought. The first believes they are produced entirely by the action of the horizontal recti with the lateral recti causing the change in the amount of deviation in upward gaze and the http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Archives of Ophthalmology American Medical Association

The A and V Syndromes

Archives of Ophthalmology , Volume 67 (3) – Mar 1, 1962

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Publisher
American Medical Association
Copyright
Copyright © 1962 American Medical Association. All Rights Reserved.
ISSN
0003-9950
eISSN
1538-3687
DOI
10.1001/archopht.1962.00960020279001
Publisher site
See Article on Publisher Site

Abstract

This article is only available in the PDF format. Download the PDF to view the article, as well as its associated figures and tables. Abstract In the past decade there has been a growing interest in cases of horizontal strabismus in which the amount of deviation varies significantly between supraand infraversion. The cases exhibiting this vertical incomitance of horizontal squint have been graphically designated the "A" and "V" phenomena or syndromes. Those cases that are more divergent or less convergent in upward gaze demonstrate the V, whereas those that are more divergent or less convergent in downward gaze demonstrate the A. Although there is general agreement about the existence of such cases, with estimates of their frequency varying between 10% and 50% of all horizontal strabismus, there is wide disagreement as to their etiology and consequently their treatment. There are three schools of thought. The first believes they are produced entirely by the action of the horizontal recti with the lateral recti causing the change in the amount of deviation in upward gaze and the

Journal

Archives of OphthalmologyAmerican Medical Association

Published: Mar 1, 1962

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