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BLOCKED TEAR/NASOLOCRIMAL DUCT 20200414_203630 (Causes (Facial injuries…
BLOCKED TEAR/NASOLOCRIMAL DUCT 
Pathophysiology
In adult a blocked tear duct may be due to an injury, infection or a tumpr
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Blocked tear duct are common in newborn but usually gets better without any treatment during the first year of life
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Definition
When you have blocked tear duct, your tears can't drain normally, eye leaving you with a watery, irritated eye
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