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Test Types (After Snellen)
TEST CHARTS
near vision test
Europe: United Kingdom
Late 19th c. / Early 20th c.
paper; cardboard; leather
overall: 208 mm x 155 mm
2012.329
TEST CHARTS
near vision test
Europe: United Kingdom
Late 19th c. / Early 20th c.
paper; cardboard; leather
overall: 208 mm x 155 mm
Reading test types consisting of two printed cards loose mounted within a black leather-covered cardboard folder. Printed surface features eighteen paragraphs of graduated text corresponding to a prescription of -2.50 to -0.50 D descending and -0.50 to -2.50 ascending. The passages on the early history of spectacles are excerpts from the book 'Errors of Refraction' by Francis Valk.
2012.329
Gift of Glasgow Caledonian University, 2012