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Vergence adaptation: a phenomenon of normal binocular vision

Author:

Alison Y. Firth

Academic Unit of Ophthalmology and Orthoptics, O Floor, Royal Hallamshire Hospital, Glossop Road, Sheffield S10 2JF, GB
About Alison Y.

MSc DBO(T)

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Abstract

Aim: To describe vergence adaptation and how it may affect clinical practice.

Method: A literature-based essay is presented, which includes a review of published work over the last 7 years and older literature as appropriate.

Results: Vergence adaptation is a normal phenom­enon which occurs in the presence of binocular single vision to induced concomitant and incomitant devia­tions. It may be affected by age and practice. It may mask larger deviations than those initially seen during clinical testing and may be of significance in the aetiology of some forms of strabismus.

Conclusion: Vergence adaptation has previously been acknowledged as being important in the maintenance of comfortable binocular vision. Consideration of the phenomenon is useful in explaining many observa­tions seen during orthoptic practice.
DOI: https://doi.org/10.22599/bioj.182
How to Cite: Firth, A.Y., 2005. Vergence adaptation: a phenomenon of normal binocular vision. British and Irish Orthoptic Journal, 2, pp.3–7. DOI: http://doi.org/10.22599/bioj.182
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Published on 01 Jan 2005.
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