Headaches, dizziness, red and painful eyes, tearing, eye opacity, nasal congestion, sinusitis, deafness, convulsions in children, and fever-related illnesses.

On the head, directly above the pupil, 0.5 cun into the anterior hairline, at the midpoint of the line connecting Spirit Courtyard (GV-24) and Head's Corner (ST-8). (This acupoint is bilateral, one on each side.)

Step 1: Sit up straight or lie on your back, looking straight ahead;
Step 2: Measure straight up from the pupil into the anterior hairline for half a horizontal finger width (the width of the interphalangeal joint of the thumb is considered 1 cun), and this is the location of this acupoint.