Diguang Powder，*Mirror of Ancient and Modern Medicine*, Volume 9.，Eye disorders: Repeated use of cooling medications has failed to cure the condition; both eyes feel hot and steamy, as if scorched by fire; they are red but not painful, with red threads filling the eyes and blood vessels visible across the cornea; the patient experiences blurred vision, dizziness, and sensitivity to light, with aversion to sunlight; or the upper eyelids are red and ulcerated; or exposure to wind and sand has caused both inner and outer canthi to rupture.
Diguang Powder
Disclaimer: These statements have not been evaluated by the Food and Drug Administration (FDA). This product is not intended to diagnose, treat, cure, or prevent any disease. All references in this article to TCM syndrome differentiation, herbal medicines, teas, and decoctions are intended to promote TCM culture and are provided solely for educational and reference purposes.
Formulas Name : Diguang Powder
Chinese Name : 涤光散
Drug Formulation
Dried white alum 5 fen, copper blue 3 fen.
Source
*Mirror of Ancient and Modern Medicine*, Volume 9.
Processing
Grind the ingredients into a powder.
Benefits
Eye disorders: Repeated use of cooling medications has failed to cure the condition; both eyes feel hot and steamy, as if scorched by fire; they are red but not painful, with red threads filling the eyes and blood vessels visible across the cornea; the patient experiences blurred vision, dizziness, and sensitivity to light, with aversion to sunlight; or the upper eyelids are red and ulcerated; or exposure to wind and sand has caused both inner and outer canthi to rupture.
Instructions for Use
Mix the herbs with water, place in a porcelain container, and simmer in a double boiler until it boils 3–5 times. Dip a piece of paper in the solution and use it to wash the eyes 3–5 times daily.
Copyright: Excerpt from *Mirror of Ancient and Modern Medicine*, Volume 9., Copyright belongs to the Original Author and all original sources, This article was shared by DeDe on August 24, 2026, Please credit the source and include a link to the original article when reposting.
Terminology Proofreading: [Cheng Bo] | August 24, 2026 Reviewed by: [Wang Zhongxiang, Associate Chief TCM Physician (China)] | August 24, 2026
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Diguang Powder,Eye disorders: Repeated use of cooling medications has failed to cure the condition; both eyes feel hot and steamy, as if scorched by fire; they are red but not painful, with red threads filling the eyes and blood vessels visible across the cornea; the patient experiences blurred vision, dizziness, and sensitivity to light, with aversion to sunlight; or the upper eyelids are red and ulcerated; or exposure to wind and sand has caused both inner and outer canthi to rupture.