Four eye impressions, United States, 1935-1950

Made:
1935-1950 in United States
maker:
Unknown

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Science Museum Group Collection
© The Board of Trustees of the Science Museum

Science Museum Group Collection
© The Board of Trustees of the Science Museum

Eye impressions (four), used in the manufacture of scleral contact lenses 1935-1950, USA

Made of plaster these four eye impressions were used in the manufacture of scleral contact lenses. Contact lenses are now made of soft malleable silicone. However, they were made of glass in the 1930s. This was when contact lens technology was in its infancy. Scleral contact lenses were much larger than today’s contact lenses. They covered almost the entire surface of the eye rather than just the pupil and could only be worn for short periods of time. The first contact lens centre in England was established in 1937 at 18 Cavendish Square, London.

Details

Category:
Ophthalmology
Object Number:
1988-174
Measurements:
overall (largest): 35 mm, .08kg
overall (smallest): 33 mm,
type:
eye phantom
taxonomy:
  • furnishing and equipment
  • tools & equipment
credit:
Muth, E.P.
status:
Permanent collection

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