Extreme Cases
In some cases, conventional treatments for blocked tear ducts may not be effective and more extensive procedures may be necessary. These procedures, although performed under general anesthesia, have shown high success rates. One method is called stenting or intubation of the eye, which involves inserting a small plastic tube into the tear duct system. These tubes remain in place for a period of up to three months to keep the duct open and functioning properly.
Another procedure, known as balloon catheter dilation, involves inserting a small balloon into the duct and inflating it multiple times. The purpose of this procedure is to eliminate the blockage and restore normal tear flow.
Surgery: Fixing a Blocked Tear Duct
If non-surgical treatments prove ineffective, there are surgical procedures available to address a blocked tear duct. One such procedure is called dacryocystorhinostomy, a rather intimidating name for a relatively simple operation. The specific surgical technique utilized depends on the location and severity of the blockage.
One option involves making an incision and inserting a stent to facilitate drainage. Alternatively, microscopic instruments and cameras may be utilized to open the blockage without the need for an incision. In both cases, the stent is typically removed after a six-month period. Throughout this time, patients may be prescribed nasal decongestants and eyedrops to minimize the risk of infection.