Luo-connecting point.

bubble_chart Etymology

"Guang" (光), light; "ming" (明), bright. It's luo-connecting point of gallbladder meridian. Liver opens orifice into eyes, and foot shaoyang gallbladder meridian connects upward to eyes, making it effective for treating eye disorders, hence the name.

bubble_chart Location

Guangming (GB37) point
(adapted from "Meridians and Acupoints")

On the lateral aspect of lower leg, 5 cun above the tip of external malleolus, in the depression anterior to fibula, between extensor digitorum longus and peroneus brevis muscles.

• Lingshu-Jingmai: "5 cun above the ankle, connecting to jueyin meridian";
• Zhenjiu Jiayi Jing: "5 cun above external malleolus".

bubble_chart Anatomy

• Muscles: between extensor digitorum longus and peroneus brevis, tibialis posterior muscle.
• Nerve: superficial peroneal nerve.
• Vessels: branches of anterior tibial artery and vein.

bubble_chart Manipulation

Perpendicular insertion 1～1.5 cun. Moxibustion with moxa cone 3 to 5 times, moxibustion with moxa stick for 10 to 15 minutes.

bubble_chart Efficacy

Unblock collateral, improve vision.

• Classical: blurred vision, difficulty seeing, redness and swelling of eyes, photophobia, night blindness, glaucoma, itchy eyes, frequent cheek biting, migraine, breast distension and pain, elbow pain, inability to stand for long due to lower leg pain, shin heat, atrophy-flaccidity, numbness of body, cold feet, restlessness, mania.
• Modern: optic nerve atrophy, cataracts, migraine, facial muscle spasms.

bubble_chart Combinations

• Internal visual obstruction: Fengchi (GB20), Tianfu (LU3), Guangming (GB37).
• Eye disease: Hegu (LI4), Guangming (GB37).
• Frequent cheek biting: Guangming (GB37), Lin Cry.