https://www.healthdirect.gov.au/blocked-tear-duct
Blocked tear duct - symptoms and treatment | healthdirect
A blocked tear duct prevents your tears from draining well. Learn more about the causes, symptoms and treatments of blocked tear ducts.
blocked tear ductsymptoms and treatmenthealthdirect
https://medlineplus.gov/ency/imagepages/9015.htm
Blocked tear duct: MedlinePlus Medical Encyclopedia Image
Tears are produced by the lacrimal gland located in the upper outer portion of each eye. Tears drain into a tear duct through a very small opening in the...
blocked tear ductmedical encyclopediamedlineplusimage