Syndrome differentiation and treatment
In clinic, the disease is classified into three syndromes: deficiency of liver blood, deficiency of both qi and blood, and deficiency of both liver and kidney. The treatment of irritated epiphora with cold tears should be mainly to nourish blood and remove pathogenic wind and, for the cases of constant weeping with excessive cold tears, the treatment should be put on the restoration of qi. If the dacryon or lacrimal pathway is blocked, operation may be needed.

1. Syndrome of Deficiency of Liver Blood Affected Repeatedly by Exopathogen
Main Symptoms and Signs: Weeping of the affected eye with cold wind, no redness and pain, dizziness, dim complexion; pale tongue with whitish thin coating and a weak thready pulse.
Therapeutic Methods: Tonifying  the  liver  and nourishing blood to relieve wind and arrest weeping.

2. Syndrome of Deficiency of Qi and Blood Causing Dysfunctional Drainage of Tears
Main Symptoms and Signs: Constant weeping of thin and cold tears of the affected eye, no redness and pain, dim complexion, mental tiredness and physical fatigue, amnesia and severe palpitation; pale tongue with thin coating and weak thready pulse.
Therapeutic Methods: Benefiting qi and nourishing blood to restore lacrimal draining function and arrest weeping.

3. Syndrome of Deficiency of Both Liver and Kidney Causing Tear Drainage out of Control
Symptoms and Signs: Constant or intermittent weeping with excessive thin and cold tears, dizziness, tinnitus and lassitude in loin and legs; pale tongue with whitish thin coating and weak thready pulse.
Therapeutic Method: Nourishing live and kidney to restore the draining function and arrest weeping.