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:
“We cannot assume the injustice of any actions which only create offense, and especially as regards religion and morals. He who utters or does anything to wound the conscience and moral sense of others, may indeed act immorally; but, so long as he is not guilty of being importunate, he violates no right.”
—Karl Wilhelm Von Humboldt (1767–1835)
“The screaming silence of no’s knife in yes’s wound.”
—Samuel Beckett (1906–1989)