Card printed on one side with pattern of radiating lines for assessing astigmatism
- Made:
- 1880-1940
Card printed on one side with pattern of radiating lines for assessing astigmatism, printed by Thomas Armstrong and Brother of Manchester, 1880-1940
Details
- Category:
- Ophthalmology
- Collection:
- Sir Henry Wellcome's Museum Collection
- Object Number:
- A625231
- type:
- astigmatic fan charts
