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Bjerrum's Screen Chart
OPTOMETRIC INSTRUMENTS
visual field test recording chart
Europe: United Kingdom
c.1946-1950
paper
overall: 209 mm x 223 mm

Scotoma chart printed in red at a scale of 3mm to one degree, on single piece of white paper. (One loose copy, originally from a tear-off pad).


2021.903/1

Gift of Mrs Elaine Hazell, in memory of Mr Denis White FSMC, 2020



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