Canthus often tears how to return a responsibility

Canthus often tears, normally seen in lacrimal diseases. Do lacrimal irrigation, will find that there is tears reflux, normal tips lacrimal duct obstruction or nasolacrimal duct obstruction. If accompanied by purulent secretion reflux, normal tips chronic dacryocystitis. There are some elderly female patients, because of eyelid skin relaxation or orbicularis oculi muscle strength weakened, will also cause tears. Canthus tears, also seen in some patients with trichiasis, because the inverted eyelashes contact the cornea caused tears. There is also a situation because of chronic conjunctivitis or allergic conjunctivitis, can also cause tears in the corners of the eyes. Some dry eye patients, because of meibomian gland blockage stimulation, increased tear secretion.