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:
“How can one learn to know oneself? Never by introspection, rather by action. Try to do your duty, and you will know right away what you are like.”
—Johann Wolfgang Von Goethe (1749–1832)
“When she, and though some said she played
I said that she had danced heart’s truth,
Drew a knife to strike him dead,
I could but leave him to his fate;
For, no matter what is said,
They had all that had their hate....”
—William Butler Yeats (1865–1939)