Tear Duct Obstruction: Symptoms, Risks, and How to Treat It
Our eyes naturally produce tears to keep the surface wet, clear away dirt, and protect us from infection. Tears normally drain through tiny openings in the corners of the eyelids and into the tear ducts, which transport them to the nasal cavity. Tear duct obstruction, also known as nasolacrimal duct obstruction (NLDO), occurs when this […]
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