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Stereo viewing spectacles for a Wirt Fly Test
ORTHOPTIC INSTRUMENTS
stereo vision test
Stereo Vision Systems
North America: USA
1990s
plastic; polarising filters
overall: 48 mm x 151 mm

Stereo viewing spectacles for a Wirt/Titmus Fly Test. Black plastic, flat-section front and sides with narrow straight bridge, vertical lugs and tapering downwardly-angled straight sides with textured grip at tips. Hollow rims allows for downward insertion of grey polarising filters.


2023.520

Gift of Mr Brian Ariel FCOptom, 2023



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