
2 9 c m
40cm
actual image size: 32cm x 21cm
Description
Manufactured by Clement Clarke Ltd, this device is used to train the eye so that it shares equally with the other eye in binocular vision, instead of one eye doing the bulk of the work. Amblyopia is the name for the condition where one eye is 'lazy', forcing the other to work harder.
Image Details
Image Ref.
10287618
© Science Museum / Science & Society Picture Library