H04.551

Clinical Causes: Chronic inflammation or infection leading to scarring of the duct Previous eye surgeries or trauma causing damage or blockage Granulomatous diseases such as sarcoidosis or tuberculosis Prolonged exposure to pollutants or irritants that inflame the tear duct Tumors or growths obstructing the duct Idiopathic cases where no clear cause is identified

Key Symptoms: Persistent tearing (epiphora) from the affected eye Recurrent or persistent eye infections, such as conjunctivitis Mucus or pus discharge from the corner of the eye Swelling or tenderness around the inner corner of the eye Redness and irritation of the conjunctiva In some cases, a sensation of fullness or pressure near the tear duct

Diagnosis Path: Diagnosis typically involves a comprehensive eye examination and specific tests including: - Syringing or probing of the tear duct to assess patency - Dyes such as fluorescein to evaluate tear flow - Imaging studies like dacryocystography or dacryoscintigraphy to visualize the duct and identify the site of stenosis - Assessment for underlying causes such as inflammation or tumors A thorough evaluation helps determine the severity and cause of the stenosis, guiding appropriate treatment options.

Treatment Protocols: Treatment approaches aim to restore normal tear drainage and alleviate symptoms, including: - Conservative measures such as massage and eye lubricants to manage symptoms - Antibiotics if infection is present - Dilation and probing of the duct to open the narrowed passage - Surgical procedures like dacryocystorhinostomy (DCR), which create a new drainage pathway bypassing the blocked segment - Removal of any obstructive growths or addressing underlying inflammatory conditions Treatment plans are tailored based on the severity of the stenosis and underlying cause, with the goal of improving tear drainage and patient comfort.