Five wheels

The flesh wheel, blood wheel, qì wheel, wind wheel, and water wheel.

The flesh wheel is comprised of the upper and lower eyelid, and belongs to the spleen, which governs the flesh and stands in exterior-interior relationship with the stomach. Diseases affecting the flesh wheel are often related to the spleen and stomach.

The blood wheel is the inner and outer canthus, and belongs to the heart, which commands the blood and stands in exterior-interior relationship with the small intestine. Disease affecting the blood wheel are often associated with the heart and the small intestine.

The qì wheel is the white of the eye (sclera), and belongs to the lung, which governs qì and stands in exterior-interior relationship with the large intestine. Disease of the qì wheel is often ascribed to the lung and the large intestine.

The wind wheel is associated with the dark of the eye, and belongs to the liver, which is the viscus of wind and wood and stands in exterior-interior relationship with gallbladder. Disease of the wind wheel is often associated with the liver and gallbladder.

The water wheel is the pupil, and belongs to the kidney, which governs water and stands in exterior-interior relationship to the bladder. Disease of the water wheel is often associated with the kidney and bladder.

The correspondences of the five wheels are characteristic of Chinese medicine, but should not be applied too rigidly.