Dragon Sand,From *Elucidation of Ophthalmology*, Volume 4.,Redness, swelling, pain, and itching of the eyes; corneal opacities, pterygium, and red or white corneal opacities.
Dragon Sand
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Formulas Name : Dragon Sand
Chinese Name : 龙砂
Drug Formulation
1 dou of silkworm sand (combined with the ash of thousand-mile-light, then doused with 5 bowls of boiling child’s urine); 2 liang of sweet stone (crushed to the size of beans, placed in a copper pot, soaked in white child’s urine to a depth of two fingers, boiled dry over mulberry wood fire, removed, re-soaked, and re-boiled; repeat this process seven times until a bitter-salty taste is detected. If the taste is still mild, boil again. Each time, bake until dry, then set aside for later use).
Source
From *Elucidation of Ophthalmology*, Volume 4.
Processing
Place the above ingredients in a copper pot and simmer slowly over a mulberry-wood fire until the liquid is completely evaporated; calcine until red-hot, then cool to form a smooth powder; add 1 qian 5 fen of cinnabar, and set aside for use.
Benefits
Redness, swelling, pain, and itching of the eyes; corneal opacities, pterygium, and red or white corneal opacities.
Instructions for Use
Apply to the outer corner of the eye after meals, avoiding contact with the pupil; apply more than 10 times daily.
Copyright: Excerpt from From *Elucidation of Ophthalmology*, Volume 4., Copyright belongs to the Original Author and all original sources, This article was shared by DeDe on August 26, 2026, Please credit the source and include a link to the original article when reposting.
Terminology Proofreading: [Cheng Bo] | August 26, 2026 Reviewed by: [Wang Zhongxiang, Associate Chief TCM Physician (China)] | August 26, 2026
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Dragon Sand,Redness, swelling, pain, and itching of the eyes; corneal opacities, pterygium, and red or white corneal opacities.