Effect of Orthoptics upon the Ability of Patients to Adapt to Prism‐Induced Heterophoria
作者:
R. NORTH,
D. HENSON,
期刊:
American Journal of Optometry and Physiological Optics
(OVID Available online 1982)
卷期:
Volume 59,
issue 12
页码: 983-986
ISSN:0093-7002
年代: 1982
出版商: OVID
关键词: binocular vision;orthoptics;prism adaptation;heterophoria
数据来源: OVID
摘要:
ABSTRACTIn a previous study we showed that subjects with abnormal binocular vision either lacked or had a deficient ability to adapt their oculomotor systems to a prism-induced heterophoria. In this study we report on the results of an experiment designed to establish whether the adaptation ability improves in patients who are successfully treated, by means of orthoptics, for convergence insufficiency. In all seven patients examined, we found an improved ability to adapt. Whereas at the beginning of the experiment only two patients fell within the 95% confidence limits of the norm, at the end five patients fell within these limits. These results demonstrate that the success of orthoptics in relieving symptoms is associated with an improved ability to adapt to prism-induced heterophoria.
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