Syndrome differentiation and treatment
In clinic practice, the disease is mainly classified into the syndromes of pathogenic fire due to qi stagnation, ocular invasion of phlegm-fire, fire hyperactivity due to yin deficiency, and asthenia of the liver and kidney. In treatment, the specific methods should include removing pathogenic fire, calming the liver and tranquilizing endogenous wind and, in long-standing cases, the method of nourishing the liver and kidney may be applied.

1. Syndrome of Pathogenic Fire due to Qi Stagnation
Main Symptoms and Signs: Distending pain of head and eye, discomfort in emotion, fullness in chest and hypochondrium, vexation with a bitter taste in the mouth, poor appetite and mental tiredness; reddish tongue with yellowish coating and thready pulse.
Therapeutic Methods: Removing pathogenic heat and dispersing stagnated liver.

2. Syndrome of Ocular Invasion of Phlegm-fire
Main Symptoms and Signs: Vertigo, ophthalmalgia, fullness of head, poor appetite, chest distress and much sputum, nausea, and a bitter taste in the mouth; reddish tongue with yellowish greasy coating and thready smooth pulse.
Therapeutic Methods: Removing heat and sputum and regulating the stomach to lower adverse qi.

3. Syndrome of Wind Stirring due to Yin Deficiency
Main Symptoms and Signs: Vertigo, distending pain of eye, dim eyesight, sleeplessness, tinnitus, dysphoria and feverish sensation in the five centers (chest, palms and soles), dryness in the mouth and throat, and slight platycoria; a reddish tongue with a little coating and a thready rapid pulse.  
Therapeutic Methods: Nourishing yin and blood and regulating liver to calm endopathic wind.