Headaches, red and swollen eyes, tearing in the wind, eye opacity, blue blindness, diminished vision, conjunctivitis, dacryocystitis, optic atrophy, etc.

On the face, beside the outer canthus, at the site of the outer orbital margin. (This acupoint is bilateral, one on each side.)

Step 1: Sit up straight or lie on your side;
Step 2: About 1 centimeter beside the outer corner of the eye, where the corner of the eye's crease ends, is the location of this acupoint.