THE EYE RETRACTOR
This instrument is a modification of the Ferris Smith refractor, used for the external operation on the ethmosphenofrontal group of sinuses with ligation of the anterior ethmoidal artery, as described by Sewall1 and Ferris Smith.2The retractor can be made to fit both on the right and on the left side by switching the arms around and reversing the teeth (fig. 1).Each blade has an eye shield which will protect the
LUONGO RA. AN EYE RETRACTOR AND A SUTURE-CARRIER KNOT-TIER FOR THE EXTERNAL PANSINUS OPERATION. Arch Otolaryngol. 1933;18(4):525–527. doi:10.1001/archotol.1933.03580060557009
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