Diamond tipped knife for eye surgery, Switzerland, 1980
Diamond tipped knives are used during eye surgery to cut the cornea in order to treat cataracts – a clouding of the lens or surrounding tissues. Diamond knives have accurate cutting edges. They are much finer and can cut more smoothly than steel blades thereby causing the least amount of damage to this particularly sensitive area. Anton Meyer and Co. Ltd produced their first diamond blade surgical knife for eye surgery in 1975. The handle is made from titanium.
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The branch of medicine dealing with the diseases and surgery of the visual pathways (usually the eyes or the brain).
The transparent part of the eyeball that covers the iris and pupil. It refracts light entering the eye on to the lens, which is then focused on to the retina.
Cloudiness on the lens of the eye impairing vision or causing blindness.
Glossary: ophthalmic instrument
An instrument used in eye surgery.