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Lea-Screener / Contrast Sensitivity Test
ARCHIVAL ITEMS
instructions
Lea Test Ltd; Precision Vision
North America: USA, Illinois, Villa Park
1990s
paper
contrast sensitivity test: 165 mm x 152 mm; overall (instructions): 280 mm x 216 mm
2015.477/1
ARCHIVAL ITEMS
instructions
Lea Test Ltd; Precision Vision
North America: USA, Illinois, Villa Park
1990s
paper
contrast sensitivity test: 165 mm x 152 mm; overall (instructions): 280 mm x 216 mm
Instructions for a paediatric test chart, matching cards and contrast sensitivity test. A4 format printed in black and white on 14 pages of white paper. Together with a key to the aforementioned contrast sensitivity test.
2015.477/1
Gift of Miss E. S Gould, FCOptom and Dr Michael Crossland, MCOptom, 2014 in memory of Janet Silver