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How effective is eccentric viewing training? A systematic literature review

Gaffney, A. J., Margrain, T. H., Bunce, C. V. and Binns, A. M. (2014). How effective is eccentric viewing training? A systematic literature review. Ophthalmic And Physiological Optics, 34(4), pp. 427-437. doi: 10.1111/opo.12132

Abstract

Purpose: The global prevalence of age-related macular degeneration (AMD) and associated central vision loss (CVL) is rising. CVL hinders the performance of many activities of daily living (ADLs). Adaptive strategies such as eccentric viewing (EV) and steady eye strategy (SES) may be used to compensate for CVL. In order to establish the potential of these rehabilitation strategies, this systematic review evaluates current literature regarding the effectiveness of EV and SES training in people with CVL.

Recent Findings: The search strategies identified 2605 publications, 36 of which met the inclusion criteria for the review, but only three of which were randomised controlled trials. This literature shows that EV and SES training can improve near visual acuity, reading speed, and performance of ADLs in people with CVL. However, there was insufficient literature to establish a relationship between training and distance visual acuity or quality-of-life. There is no conclusive evidence to show that a particular model of EV training is superior to another, little clear evidence of a relationship between participant characteristics and training outcomes and no data regarding the cost effectiveness of training.

Summary: This report highlights the need for further robust research to establish the true potential and cost effectiveness of EV and SES training as a rehabilitation strategy for individuals with CVL.

Publication Type: Article
Additional Information: This is the accepted version of the following article: Gaffney AJ, Margrain TH, Bunce CV & Binns AM. How effective is eccentric viewing training? A systematic literature review. Ophthalmic Physiol Opt 2014; 34: 427–437, which has been published in final form at http://dx.doi.org/10.1111/opo.12132.
Publisher Keywords: age-related macular degeneration, central visual loss, eccentric viewing, low vision, steady eye strategy, systematic literature review
Subjects: R Medicine > RE Ophthalmology
Departments: School of Health Sciences > Optometry & Visual Science
URI: http://openaccess.city.ac.uk/id/eprint/3815
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