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distance vision test
Mid 20th c.
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distance vision test and astigmatism fan
Curry & Paxton
Early 20th c.
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H.M. Factory Inspectorate Test Card for Central Vision F.313
Ministry of Labour and National Service
October 1957
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Lea-Screener
Lea Test Ltd; Precision Vision
1990s
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Lea-Screener - Contrast sensitivity test and Visual Acuity Chart featuring LH symbols
Precision Vision; Hyvarinen, Lea
Late 20th c.
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Logarithmic Visual Acuity Chart 2000 - Chart 1
Precision Vision
Late 20th c.
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Number Plate Test
1930s
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Pediatric Visual Acuity Test System
Precision Vision; Hyvarinen, Lea
c.2000
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