5 cun above the tip of external malleolus, close to the anterior border of the fibula.
Eye diseases, pain in lower extremities. Pain in the knee, muscular atrophy, motor impairment and pain of the lower extremities, blurring of vision, opthamalgia, night blindness, distending pain in the breast.
Brightens the eyes, expels wind, clears heat, conduts fire downwards.
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Perpendicularly 0.5-1.5 inches