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The microsurgical treatment of canalicular stenosis is indicated in localized stenosis. The goal is to restore lacrymal mucosa continuity in order to re-establish spontaneous lacrymal drainage. Stenosis located close to the puncti can be reached by the direct approach, those close to the lacrymal sac require an approach via the common canaliculus. The surgical indications and techniques are developed, with particular attention given to common canaliculus repair and the new surgical approach to reach it.