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Blackout: Understanding transient vision loss
Rachael C Heath Jeffery1, Fred K Chen2, Christian J Lueck3
1MChD, MPH, Medical Retina Fellow, Centre for Ophthalmology and Visual Science (incorporating Lions Eye Institute), The University of Western Australia, WA; Associate Clinical Lecturer, Australian National University Medical School, Canberra Hospital, ACT.
Background:
Transient vision loss may indicate underlying disease of the eye, optic nerve, orbit, brain or heart. Detailed history-taking followed by a complete ocular and neurological examination is therefore a crucial part of any consultation.
Objective:
It is important to determine whether a patient with transient vision loss can be reassured or requires urgent referral for further investigation. This review examines monocular and binocular transient vision loss and provides a structured approach to the examination of a patient with transient vision loss. The aim of this article is to provide clinicians with confidence when encountering these patients.
Discussion:
Transient vision loss can imply serious underlying pathology; therefore, accurate history-taking and astute observation are paramount. This review discusses the differential diagnosis of monocular and binocular transient vision loss and the relevant localising features of each.
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