The von Graefe knife was a tool used to make corneal incisions in cataract surgery. Use of the knife demanded a high level of skill and mastery, and was eventually supplanted by modifications of cataract surgery through the Kelman phacoemulsification technique that emphasized a small incision.
Read more about Von Graefe Knife: History
Famous quotes containing the words von and/or knife:
“All one needs to do is declare oneself free and one will immediately feel dependent. If you dare to declare yourself dependent, you feel independent.”
—Johann Wolfgang Von Goethe (1749–1832)
“Anna who was mad,
I have a knife in my armpit.
When I stand on tiptoe I tap out messages.”
—Anne Sexton (1928–1974)