Syndrome differentiation and treatment
The disease is mainly classified in clinic into the syndromes of hyperactivity of lung heat, combinating stagnancy of wind, damp and heat, and hyperacitivity of fire due to yin deficiency. Since the lesion is in the white of eye or aerorbiculus, lung is the crucial organ that is involved in the case, and stagnant accumulation of lung heat is therefore the key cause of the disease. The treatment methods, in principle, should be to dispel lung heat with adjuvant drugs of activating blood circulation to remove stasis m some cases. For the recurrent cases, the treatment method for the general regulation should be considered and applied.

1. Syndrome of Hyperactivity of Lung Heat
Main Symptoms and Signs: Slow attack, photophobia, slight tearing, vague pain, local fire-red nodule prominence with tenderness, cough, sore throat and constipation; yellowish tongue coating and rapid pulse.  
Therapeutic Methods: Reducing lung-heat to smooth qi and activating blood to dissipate stagnation.

2. Syndrome of Combinating Stagnancy of Wind, Damp and Heat
Main Symptoms and Signs: Scarlet-red nodule prominence of the bulbar conjunctiva with capillaries around, depressing and distending pain in the eyeball, photophobia, dacryorrhea, aching pain of joints, swollen limbs, repeating attacks and lingering course; red tongue with whitish coating and slippery rapid pulse.  
Therapeutic Methods: Dispelling wind and damp and removing heat and stasis.

3. Syndrome of Hyperactivity of Fire due to Yin Deficiency  
Main Symptoms and Signs: Recurrent onset of the disease with the symptoms of red bulbar conjunctiva, nodules occurring now and then, dark purple capillaries with slight swelling around, very light tenderness, dry and unsmooth sensation of the eye, dryness in the mouth and throat, night sweat with low fever and constipation; red tongue lack of fluid and thready rapid pulse.   
Therapeutic Method: Nourishing yin to remove heat and mass.