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To the Editor:
—I read with much interest the Clinical Note entitled "Sterile Air in Intraocular Surgery," by Dr. Paul C. Craig, in the May 1954 issue of the Archives, page 701. For a few years I have been using what I believe to be sterile air, but have obtained it by a different method, without cause of complaint.In a metal box with a tight-fitting lid, I introduce a glass syringe already adapted to its cannula or needle, depending on the use for which it is meant, with the plunger pulled back so as to allow in it the quantity of air desired, and I place the closed box, with the syringe inside, in a dry-heat sterilizing stove. After an hour at 160 C. I believe the syringe is sterile. The box is opened and the airfilled syringe removed only at the moment it is needed.
de Barros EC. STERILE AIR IN INTRAOCULAR SURGERY. AMA Arch Ophthalmol. 1954;52(3):490. doi:10.1001/archopht.1954.00920050492019