Optic nerve atrophy, optic neuritis, retinitis pigmentosa, retinal artery or vein occlusion, central retinal disease, color vision abnormalities, myopia, glaucoma, early cataract, vitreous opacities, esotropia, etc.

In the facial area, at the intersection of the outer 1/4 and inner 3/4 of the infraorbital margin. (This acupoint is a pair, one on each side)

Sit or lie down straight. At the junction of the outer 1/4 and the inner 3/4 of the infraorbital margin, this is where the acupoint is located.