identification

• Lacrimal glands produce tears, and lacrimal sacs (tear ducts) drain them. When this drainage system is blocked, an infection grows in the ducts. This is dacryocystitis, the tear duct eye infection.
  
  

Causes

• According to Eyes-and-Vision.com, infectious blockages of the tear drainage system may be due to sinus problems, aging, inflammatory diseases, or prior occurrence of dacryocystitis. EverydayHealth.com's report on the condition says that blockage may also occur after trauma or injury to the nose or eyes.
  
  

Symptoms

• Excessive tearing from the eye is the major symptom of a tear duct infection, and the eye may also excrete a sticky discharge or pus. Redness and swelling and around the inner corner of the eye occurs, with irritation and pain. EverydayHealth.com also reports that a fever may occur as a symptom of a tear duct infection.
  
  

Diagnosis

• To diagnosis a tear duct infection, an eye doctor puts pressure on the lacrimal sac, and any discharge expelled will be tested for bacteria. An eye doctor can also put a special dye in the eye, which will react with the eye fluids and indicate the presence of an infection.
  
  

Treatment

• Antibiotics can clear up most tear duct infections, according to Eyes-and-Vision.com. Prescription eye drops and ointments may also be used. If the infection persists, minor surgical procedures, such as dacryocystorhinostomy, may be performed to expand the tear duct for proper drainage.
  
  

Prevention

• According to AllAboutVision.com, prevention of eye infections includes keeping the hands clean, using clean linens, and avoiding unnecessary contact with the eyes. Special care for contacts is also important, including disinfection, replacement, and discarding old solution.