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Turn pin spectacles with tinted, double folding lenses, France, 1790-1850

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Double folding lenses give extra protection to the eyes. The lenses on these steel wire spectacles protect the front and sides of the eye. They are tinted blue to protect from the sun. The spectacle arms are pivoted at the temple and can rotate 360 degrees. They are known as turn pin spectacles. These may have been made in France. A similar pair was used by railway passengers.

Object number:

A682091

Related Themes and Topics

 

Glossary:

Glossary: ophthalmology

The branch of medicine dealing with the diseases and surgery of the visual pathways (usually the eyes or the brain).

Glossary: spectacles

Pair of eyeglasses to compensate for defective vision or to protect the eyes from light, dust, and the like. Kept in place by sidepieces passing over the ears, on the nose or held in the hand.

Glossary: Treatments and cures

No description.

Glossary: optometry

The professional practice of eye and vision care. Optometry includes the correction of visual defects with lenses or glasses.