tear duct obstruction
lacrimal duct obstruction

Investigation of lacrimal obstruction in chinchillas Tear duct obstruction in chinchillas is mainly due to tissue remodelling around intruding maxillary premolar tooth roots.

Oculoplastic surgeons perform procedures such as the repair of droopy eyelids (blepharoplasty), repair of tear duct obstructions, orbital fracture repairs, removal of tumors in and around the eyes, eyelid reconstruction.