Night-Shining Sand possesses the effects of clearing the liver and improving eyesight, as well as dissipating blood stasis and resolving accumulation. It is mainly used to treat diseases such as green blindness, night blindness, red and swollen eyes, and infantile malnutrition. Also known as Bat Dung or Bat Feces, Night-Shining Sand can be used as a traditional Chinese medicine. The medicinal source is the dried feces of various bat species in the Vespertilionidae family, such as the common bat and the big-eared bat. It has a pungent taste and cold nature, with the functions of clearing the liver and improving eyesight, as well as dissipating blood stasis and resolving accumulation. It is mainly used to treat green blindness (gradual vision loss with no abnormal appearance of the eyes), night blindness, red and swollen eyes, blood overflow in the white part of the eye, infantile malnutrition, and other diseases. Night-Shining Sand belongs to the Liver Meridian and is a medication that affects the blood of the Liver Meridian. Its pungent property can disperse blood stasis, and its cold nature can clear blood heat, thus it has the effects of clearing the liver, dispersing blood stasis, and improving eyesight. For blood overflow in the white part of the eye caused by liver heat and red eyes, it can be used alone after being fried until slightly charred, powdered, and taken orally with water. It can also be used in combination with Scutellaria Root, Red Peony Root, and Cortex Moutan. When paired with Herba Equiseti Hiemalis, Radix Aucklandiae, and Saposhnikoviae Radix, it can treat green blindness. When combined with Haliotis and Pig Liver, it can treat night blindness. Night-Shining Sand can also be used for symptoms of fever and cold due to infantile malnutrition. For example, in cases of infantile malnutrition, it is often used in combination with Ferula, Zanthoxylum, and Red Yeast Rice. When using this medicine, it should be noted that it is contraindicated for patients with eye diseases without blood stasis and pregnant women. Night-Shining Sand is a traditional Chinese medicine, and its use should be guided by a doctor after syndrome differentiation. The doctor should also select the appropriate drug combination based on the specific condition, and it should not be used blindly without a doctor's prescription. If discomfort occurs after taking the medication, medical attention should be sought promptly.
