DIAGNOSIS
An ophthalmologist or eye specialist would normally do a thorough examination to determine the cause of a clogged tear duct. To confirm the diagnosis, they will take into account your symptoms, medical history, and results of certain tests. Here are a few typical techniques for determining if a tear duct is blocked:
1. Medical background and physical exam: Your symptoms and any prior eye or nose issues will be discussed with the doctor. They will also carefully inspect your eyes, eyelids, and the region around them to look for any indications of obstruction or inflammation.
2. Fluorescein dye disappearance test: This test involves placing a small amount of special dye (fluorescein) into the eye. The doctor will then observe how long it takes for the dye to disappear. If the dye remains in the eye for an extended period, it suggests a blocked tear duct.
3. Syringing and irrigation: This procedure involves flushing a saline solution through the tear duct to assess its patency. If the saline does not flow freely through the duct, it indicates a blockage.
4. Imaging tests: In some cases, imaging tests such as dacryocystography or dacryoscintigraphy may be ordered. These tests use contrast agents and imaging technology to visualize the tear ducts and identify any obstructions or abnormalities.
Once a diagnosis of a blocked tear duct is confirmed, the doctor will discuss appropriate treatment options based on the underlying cause and severity of the blockage. Treatment may include conservative measures such as warm compresses, massage, and medication to manage symptoms. In more severe cases or when conservative treatments fail, the doctor may recommend procedures like tear duct probing or surgery to open or clear the tear ducts.
TREATMENT
The underlying reason and degree of the obstruction will determine the appropriate course of therapy for a clogged tear duct. An ophthalmologist or eye doctor may advise one of the following typical treatments:
1. Restrictive actions:
- Warm compresses: Placing a warm compress over the afflicted eye might ease discomfort and encourage tear production.
- Massage: Lightly rubbing the tear duct region might encourage drainage and aid to unclog the duct.
- Medication: To treat any related eye infections or inflammation, steroid or antibiotic eye drops may be recommended.
2. Tear duct probing: In this operation, a thin, flexible probe is inserted into the tear duct to dislodge or clear any obstructions. It may be beneficial for small obstructions and is often performed under local anaesthesia.
3. Balloon catheter dilation: This treatment involves inserting a balloon catheter into the tear duct, deflating it, and then inflating it to widen the duct and restore adequate drainage. Typically, it is done while receiving local anaesthesia.
4. Tear duct stenting: In instances when blockages are more intricate or chronic, a small tube known as a stent may be placed into the tear duct to maintain its opening and enable adequate tear drainage. The usual anaesthesia for this treatment is either local or general.
5. Surgery: If alternative therapies are unsuccessful, surgery may be required. A popular surgical treatment called a dacryocystorhinostomy (DCR) is utilised to open a new tear drainage conduit that avoids the clogged tear duct.