0.3–0.5 cun vertically or transversely towards Quanliao SI-18. In case of facial paralysis, towards Yingxiang LI-20.
Caution: Infraorbital nerve, eye injury.
According to some classic texts, moxibustion is contraindicated. Deep needling in an oblique cranial direction is contraindicated.
Similar to Chengqi ST-1, Sibai ST-2 is also mainly used for eye disorders due to Exterior or Interior Wind as well as Heat. Indications includes acute and chronic conjunctivitis, myopia, astigmatism, squint, colour blindness, night blindness, glaucoma, atrophy of the optic nerve, cataract, keratitis and retinitis.
As it expels Wind, it is able to treat trigeminal neuralgia, allergic rhinitis, facial paralysis or deviation of eye and mouth.
Finally, it is used empirically to treat biliary ascariasis as well.