Dacryocystorhinostomy is a type of surgery sometimes used to treat
blocked tear ducts in adults. It is rarely used in
This procedure creates a new passageway between the tear duct sac and
the nasal cavity, bypassing the blocked tear duct. To do the procedure, the doctor needs to make a cut (incision) in the skin by the eye. A tube is inserted through
the tear duct sac and into the nose through a hole in the bone. This tube is
left in the nose and stitched in place.
People usually complain of blurred vision, or children may not pass their vision exam at school before they’re diagnosed with astigmatism.
The doctor may use one or more of these four tests to diagnose astigmatism and measure its severity:
Vision test. Using a standardized chart, patients read the letters they can see from 20 feet away. If your vision is 20/20, you can see at 20 feet what a normal eye can see from 20 feet. If your vision is 20/80, you can only see at 20 feet what a normal eye...
Adults who have long-term tear duct blockage that is not caused by an
infection often need to have dacryocystorhinostomy. If the person has a tear
duct infection, surgery will be delayed until the infection has cleared.
After about 3 days, you
return to the doctor's office to check the placement of the tube and to have
the stitches removed. The tube is left in place for at least 6 weeks.
The risks of dacryocystorhinostomy include:
Bleeding from the nose.
blockage of the tear ducts.
Tube displacement (the tube shifting
out of place).
You will have a small scar where the surgery was done.
In this article
This information is produced and provided by the National
Institute (NCI). The information in this topic may have changed since it was written. For the most current information, contact the National
Institute via the Internet web site at http://
.gov or call 1-800-4-CANCER.
WebMD Medical Reference from Healthwise
October 09, 2013
This information is not intended to replace the advice of a doctor.
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