Unilateral visual loss.

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<p>Unilateral visual loss, particularly when it occurs in one eye, may defy detection until irreversible changes have occurred. This lecture by M.D. Sanders of the Institute of Neurology, University of London, sets out some of the underlying principles and techniques of the clinical examination of a patient with painless unilateral visual failure. Examination of the visual fields, central vision, and pupillary responses are demonstrated, and this is followed by three cases demonstrating causes of visual loss at different sites in the optic nerve. The three patients also demonstrate different pathogenic mechanisms of visual loss. The programme is made to emphasise the importance of early detection of visual loss, to demonstrate the simple diagnostic tests that can be performed by any physician, and finally to demonstrate some of the techniques now available to aid the diagnosis of localisation of lesions. 6 segments.</p>

Unilateral visual loss.

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