Set of eight Ishihara charts for testing colour-blindnes, c 1959.

Ishihara, Shinobu

Set of eight Ishihara charts for testing colour-blindnes, c 1959.
3 4 c m
40cm
actual image size: 32cm x 26cm

Description

Most colour blindnes is inherited, and affects more men than women. Colour blindnes usually involves confusion between red, green and yellow. Dr Shinobu Ishihara, Profesor Emeritus of the University of Tokyo, Japan, designed this series of plates as a test for colour blindnes. The test involves the patient being able to distinguish a number within the coloured field at the centre of each chart.

© Science Museum / Science & Society Picture Library

buy a print

Select size
 
Select finish
 
How many prints?
 
£20.00
 

buy a framed print

buy a canvas

buy a framed canvas

image details