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Unilateral visual loss.

Sanders, M. D.
  • Videos

About this work


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.


London : University of London Audio-Visual Centre, 1975.

Physical description

1 videocassette (1-inch) (37 min.) : 2 DVDs (37 min. each) : 1 videocassette (DIGIBETA) (37 min.) : sound, black and white. sound, black and white. sound, black and white.


Copyright note

University of London


This video is one of around 310 titles, originally broadcast on Channel 7 of the ILEA closed-circuit television network, given to Wellcome Trust from the University of London Audio-Visual Centre shortly after it closed in the late 1980s. Although some of these programmes might now seem rather out-dated, they probably represent the largest and most diversified body of medical video produced in any British university at this time, and give a comprehensive and fascinating view of the state of medical and surgical research and practice in the 1970s and 1980s, thus constituting a contemporary medical-historical archive of great interest. The lectures mostly take place in a small and intimate studio setting and are often face-to-face. The lecturers use a wide variety of resources to illustrate their points, including film clips, slides, graphs, animated diagrams, charts and tables as well as 3-dimensional models and display boards with movable pieces. Some of the lecturers are telegenic while some are clearly less comfortable about being recorded; all are experts in their field and show great enthusiasm to share both the latest research and the historical context of their specialist areas.

Creator/production credits

Produced by Trevor A. Scott for ULTV.



  • English

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