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Stereo Tests / House Fly Test
ORTHOPTIC INSTRUMENTS
stereo vision test
Stereo Optical Co. Inc.
North America: USA, Illinois, Chicago
1994
plastic; paper
overall: 203 x 148 mm

Handheld panel bearing three stereo vision tests whch opens up like a book: Graded series of four circles within squares test for adults, house fly test for adults or children (three dimensional 'Vectogram'), and animals test for young children. Together with a pair of black plastic stereo viewing spectacles. Also a printed instruction leaflet, A5 format, printed in black and white on four sides, folded.


2009.108

Gift of Vision Express, 2009



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