Epiphora from stenosis of the common lacrimal canaliculus occurs rather frequently; previously recommended procedures for repair are technically difficult,1-3 and the results have not been uniformly successful. A recently developed technique using synthetic silicone rubber tubing (Silastic)* to restore patency to the stenosed common canaliculus has proved to be simple to perform and the results have been most gratifying.
Medical adhesive (Vivosil)† is used to form two small knobs (doughnut like) around the circumference of a silicone rubber tube (Silastic—#372, 0.040" × 0.090") which is 5 or 6 mm in length. These knobs should be placed 3 or 4 mm apart, and the tube should be prepared 24 or more hours before the procedure is performed.
Beginning about 2 mm superior and medial to the inner canthus, a vertical incision is made through the skin and other soft tissues to the bone. This incision is extended downward
VEIRS ER. Repair of the Stenosed Common Lacrimal Canaliculus: A Technique Using Synthetic Silicone Rubber Tubing (Silastic). Arch Ophthalmol. 1965;73(1):89. doi:https://doi.org/10.1001/archopht.1965.00970030091020
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