Eyesight test chart, c 1950.

Richardson, Claire

 
Eyesight test chart, c 1950.
4 0 c m
 
34cm
actual image size: 26cm x 32cm

Description

This chart, with rear illumination, is for testing visual acuity. The board displays letters decreasing in size and increasing in number.

Image Details

Artist
 
Image Ref.
 
10326662

© Science Museum / Science & Society Picture Library

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