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Astigmatic Dial Test Chart / Astigmatic Test Card E.B. Meyrowitz Inc. 20th c. View |
Astigmatism Chart Late 20th c. View |
Astigmatism Chart Institute of Ophthalmic Opticians 1930s View |
astigmometer De Wecker & Masselon View |
distance vision test and astigmatism fan Curry & Paxton Early 20th c. View |
Dr Pray's Astigmatic Letters Chart No 1954 American Optical Co c.1947 View |
Eyechart no. 1957 American Optical Co 20th c. View |
The 'Super Union' Astigmatism Chart 1930s View |
Trial-Sight / Apparatus for testing the presence of Astigmatism & case R. & J. Beck c.1866 View |
Tullidge's Patent Astigmatic Clock Groos Ltd; J. & H. Taylor 1909-1913 View |