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distance vision test and astigmatism fan
TEST CHARTS
distance vision test; astigmatism test
Curry & Paxton
Europe: United Kingdom, England, London W
Early 20th c.
card
overall: 190 x 129 mm
2006.303
TEST CHARTS
distance vision test; astigmatism test
Curry & Paxton
Europe: United Kingdom, England, London W
Early 20th c.
card
overall: 190 x 129 mm
Distance vision test, consisting on one side of six rows of black serif lettering in descending size D=24 (80) - D=5 (16). On the other side an astigmatic fan chart.
2006.303
Gift of Norville Optical Group, 2006