GB16 Eye Window

Reviewed by · Licensed Acupuncturist & TCM Physician · Last reviewed June 2026

GB16 (Muchuang, “Eye Window”) is an acupuncture point on the Gallbladder Channel Meridian. It is located on the head, 2.5 cun posterior to the anterior hairline and 2.25 cun lateral to the midline. This point is located 1 cun posterior to GB15 (Toulinqi). It brightens the eyes, dispels wind, alleviates pain, and calms dizziness. The classics state that needling this point can make the eyes bright and clear.

Location

On the head, 2.5 cun posterior to the anterior hairline and 2.25 cun lateral to the midline. This point is located 1 cun posterior to GB15 (Toulinqi).

Needling

Transverse (subcutaneous) insertion, 0.5 to 1.0 cun.

TCM functions

Brightens the eyes, dispels wind, alleviates pain, and calms dizziness. The classics state that needling this point can make the eyes bright and clear..

Indications

Sudden dizziness, head turning, eye redness and pain, blurred vision, farsightedness, inability to see clearly, white film covering the pupil, head and facial swelling, headache, chills and fever with inability to sweat, aversion to cold, upper toothache, stiff lips and mouth..

Clinical notes

GB16 is a key local point for a wide range of eye conditions, particularly those involving vision clarity, such as blurred vision or the early stages of cataracts. Its name, 'Eye Window,' strongly implies its ability to open the orifices and improve sight. It is also effective for headaches and dizziness, especially when associated with wind or Liver/Gallbladder patterns affecting the head.

On the Gallbladder Channel channel

GB16 is one of 44 points on the Gallbladder Channel Meridian. Nearby points:

Frequently asked questions

Where is GB16 located?

GB16 (Muchuang) is located on the head, 2.5 cun posterior to the anterior hairline and 2.25 cun lateral to the midline. This point is located 1 cun posterior to GB15 (Toulinqi).

What is GB16 used for?

GB16 brightens the eyes, dispels wind, alleviates pain, and calms dizziness. The classics state that needling this point can make the eyes bright and clear. Common clinical indications include sudden dizziness, head turning, eye redness and pain, blurred vision, farsightedness, inability to see clearly, white film covering the pupil, head and facial swelling, headache, chills and fever with inability to sweat, aversion to cold, upper toothache, stiff lips and mouth.

How is GB16 needled?

Transverse (subcutaneous) insertion, 0.5 to 1.0 cun.

Which meridian is GB16 on?

GB16 is a point on the Gallbladder Channel Meridian (Zú Shàoyáng Dǎnjīng).

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⚠️ This page is for general education and is not medical advice. Acupuncture is a traditional practice; evidence varies by condition and study quality, and individual results differ. It does not replace diagnosis or treatment by a licensed professional. Always consult a qualified acupuncturist or physician.