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Tear Duct Anatomy

Tear Duct Anatomy

Tear duct anatomy

When the eye blinks, the lid pushes the tears across the eye into the drains (puncta) at the inner corner. The drains empty into channels (canaliculi) that connect the eye with the nose. The channels drain into a tear sac (lacrimal sac) that lies beside the nose. The sac narrows into the tear duct (lacrimal duct), which drains through the nasal bone into the nostril.

By Healthwise Staff
John Pope, MD - Pediatrics
Christopher J. Rudnisky, MD, MPH, FRCSC - Ophthalmology
Last Revised October 9, 2013

Last Revised: October 9, 2013

Author: Healthwise Staff

Medical Review: John Pope, MD - Pediatrics & Christopher J. Rudnisky, MD, MPH, FRCSC - Ophthalmology

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