Visual field assessment in low vision

The purpose of this article is to review the impact of visual field loss on everyday life, outline the properties of an ideal visual field test for the low-vision assessment, and review currently available methods of functional field assessment.

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Introduction

Although low vision is often perceived as loss of visual acuity, or of central visual function, this is not the only way in which vision can be impaired. Visual field loss is associated with functional difficulty in several areas of activities of daily living, and is included as a reason for visual impairment registration, with terms such as ‘contraction of visual field’ and ‘marked field defect’ used in registration guidance (Department of Health 2013).

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