Many patients can have punctal occlusion without them. You can have punctal plugs inserted in the tear duct of your lower eyelid, upper eyelid, or both eyelids. The number of plugs depends on how ...

The term functional nasolacrimal duct obstruction (FNLDO; watering with patent drainage) is misleading as it implies occluded drainage and solely nasolacrimal duct pathology. 'Normal' tear ...

Infection of the nasolacrimal duct or nasolacrimal dacryocystitis often occurs in rabbits because of P. multocida infection 3. Impaired tear drainage is also often due to elongation of the upper ...