Tear Duct Obstruction

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Diagnosis

Diagnosis is based on symptoms. The cause of the tear duct blockage must also be identified. Tests are determined by the patient's age and symptoms.


The eye doctor takes a history of past medical and vision problems and current eye problems and may perform a basic eye exam. To determine the presence and extent of tear duct blockage, a fluorescein eye stain is used to observe the drainage of tears. An orange dye is placed in the eye using a dropper or blotting paper. After it c...Read the full article