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:
“It would not be worth your while to reach the age of seventy if all the wisdom of the world were to be foolishness before God.”
—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)