What is a Blocked Tear Duct?
DJ Helms2018-06-20T14:21:14-04:00Most tears come from lacrimal glands, located above each eye. They flow across the eye’s surface and drain through tiny holes (puncta) in the inner corners of the upper and lower eyelids, down small canals in the lids (canaliculi) to the nasolacrimal sac and down the nasolacrimal duct emptying into the nose. Nearly 20 [...]