Tung's Acupuncture: 66.15 Shui Xian Name:66.15 Shui Xian 水仙穴Water ImmortalLocation:2 cun distal to the 66.14.Indication:1. Lumbago. 2. Spinal pain. 3. Limb edema. 4. Nephritis. 5. Cataract.Needling:0.5 cunTungs Anatomy:Reaction area of kidney and brain.