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Scotometer chart / Bjerrum Screen
OPTOMETRIC INSTRUMENTS
visual field test
Europe: United Kingdom
Mid 20th c.
metal; cloth; wood
overall (open): 1340 mm x 1070 mm x 75 mm

Scotometer chart/visual field testing screen consisting of concentric ring targets with central white dot marked on black cloth which can be pulled out from wall-mounted grey planished metal tube container.


2011.746

Gift of the Marton Library Trust, 2011



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thumbnail Scotometer chart / Bjerrum Screen
Mid 20th c.
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