This image is released under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 Licence
This image is released under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 Licence
This image is released under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 Licence
Science Museum Group Collection
© The Board of Trustees of the Science Museum
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 defect teaching model, on wood stand, probably English, 1801-1900.
Showing how light enters the eye in long sight, normal sight and short sight; this is a 3-D model of the light diagrams seen in many science and medical textbooks. The model was probably used as a teaching aid for students studying the eye.
In normal sight, the light rays meet up at the retina, the sensitive part of the eye, and send a message to the brain through the optical nerve. Long sight (not being able to see close up) means that the light meets behind the retina; short sight (not being able to see far away) occurs when light meets up in front of the retina. Both conditions can be corrected with glasses. For a person with both long and short sight, bi-focal lenses can be used.
On display
Science Museum: Making the Modern World Gallery
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Details
- Category:
- Ophthalmology
- Object Number:
- A602310
- type:
- model
- taxonomy:
-
- visual and verbal communication
- furnishing and equipment
- tools & equipment
- eyeglass
- spectacles
- credit:
- The Wellcome Trust
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Data in the title, made, maker and details fields are released under Creative Commons Zero
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