1. Syndrome of Hyperactivity of Liver Yang
Main Symptoms and Signs: Sudden diminishment of vision, optic disc congestion and edema with obscure boundary, tortuosity and ectasia of the retinal vein in sausage shape, massive retinal hemorrhage distributing with the optic disc as the center, accompanied by the general symptoms of dizziness, headache, irritability, vexation, insomnia, tinnitus and hypochondiac pain; reddish tongue and thready pulse.

2. Syndrome of Qi Stagnation and Blood Stasis
Main Symptoms and Signs: The same ocular symptoms as the above, accompanied by depressed emotion, distending pain in chest and hypochondrium, depressed sensation in stomach and poor appetite; a dull purple tongue and unsmooth pulse.

3. Syndrome of Upward Accumulation of Phlegmheat
Main Symptoms and Signs: The same ocular symptoms as the above, accompanied by dizziness and heavy sensation, nausea and vomiting, thick sputum with a bitter taste, and fat stature; a yellowish greasy tongue coating and thready pulse.

4. Syndrome of Fire Hyperactivity due to Yin Deficiency
Main Symptoms and Signs: The same ocular symptoms as the above, accompanied by dizziness, tidal fever, night sweat, feverish sensation in chest, palms and soles; a reddish tongue with little coating and a thready pulse.