Location:
The acupoint is located on the ulnar end of the transverse crease on the dorsal aspect of the wrist, in the depression between the styloid process of the ulna and the triquetral bone (see Fig. 32).
 
Indications:
 Optic atrophy, hordeolum, headache, redness, swelling and pain of the eyes, tinnitus, deafness, mania, epilepsy, spasmodic pain in the elbow, arm and wrist joint as well as exogenous febrile disease.