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What is a dacryocystorhinostomy?

A Tear Duct ​known as a dacryocystorhinostomy (DCR) is a surgery that creates a new path for tears to drain between your eyes and your nose. You may need this surgery if your tear duct has become blocked. The procedure can be performed externally through an incision in the skin, or endoscopically through the nose without leaving a skin incision. Both methods are equally successful .

what are the Symptoms of a Blocked Tear Duct?

There are Symptoms to indicate that there is an obstruction in the tear duct. ​these Symptoms include :

What are the surgical techniques used for treating tear duct obstruction?

Your treatment depends on what's causing the blocked tear duct. You may need more than one approach to correct the problem. If a tumor is causing your blocked tear duct, treatment will focus on the cause of the tumor. Surgery may be performed to remove the tumor, or your doctor may recommend using other treatments to shrink it .

How is tear duct surgery performed?

What Happens Before Tear Duct Blockage Surgery?

The ophthalmologist will do an eye exam to make sure your child has a blocked tear duct and not another eye problem that could cause similar symptoms. The doctor also might do a simple and painless dye test. Putting a special dye in the eye lets the doctor measure the amount of tears it makes and see if they're draining properly .

What Happens During Tear Duct Blockage Surgery?

Newborns sometimes can have a blocked duct opened in the ophthalmologist's office without anesthesia. Older infants and children need to go to a hospital or surgery center where they will get anesthesia (medicine to help them sleep and not feel pain).
An ophthalmologist can do different types of surgical procedures (sometimes in combination) to open a blockage

How Long Does Tear Duct Blockage Surgery Take?

The procedure takes about 10–20 minutes, depending on which type is done .

Lacrimal duct surgery complications and risks

Even though this surgery is a simple procedure, it is accompanied by some complications such as :

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