While on a vacation several years ago, I was called on to remove a foreign body deeply embedded in the cornea. No instruments were available. The procedure was attempted with an ordinary hypodermic needle attached to an insulin syringe as a handle. The experience convinced me that in the simple "needle" one has an instrument which surpasses any other for executing this common, but nevertheless seriously important, task.
After persevering with several varieties and sizes, I found that the Luer-Lok type stainless steel 19 gage 2½ inch (62 cm.) needle with a long bevel served the purpose best. The cannula is of sufficient length for convenient manipulation. It requires no handle and constitutes a complete instrument in itself.
For the past four years I have used nothing but one of these needles when removing a foreign body from the cornea and, with unabated enthusiasm, continue to do so. The more
Appelbaum MA. SIMPLEST INSTRUMENT FOR REMOVAL OF FOREIGN BODIES FROM CORNEA. Arch Ophthalmol. 1943;30(2):262. doi:10.1001/archopht.1943.00880200110015
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