Wall chart printed on one side with pattern of radiating lines for assessing astigmatism

Wall chart printed on one side with pattern of radiating lines for assessing astigmatism, probably English 1851-1930

Details

Category:
Ophthalmology
Collection:
Sir Henry Wellcome's Museum Collection
Object Number:
A627129
Materials:
glass and wood
Measurements:
length 730 mm
height 420 mm
type:
astigmatic fan charts