In the depression 1 cun posterior to midpoint between the lateral end of the eyebrow and the outer canthus.
Migraine, trigeminal neuralgia, eye diseases, toothache, facial paralysis. Headache, eye diseases, deviation of the eyes an d mouth
Eliminates wind, clears fire.
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Perpendicularly 0.5 - 0.8 inch or obliquely downward 1.0 - 1.5 inches, or prick to cause bleeding with the three-edges needle.