Synopsis

Source of validity: Traditional
Rating (out of 5): 1

Pearl (also known as Zhen Zhu, derived from nacre or mother-of-pearl) is used in Traditional Chinese Medicine (TCM) for a variety of eye conditions, including glaucoma. The use of pearl in this context is rooted primarily in tradition and historical practice, rather than robust scientific validation. Ancient TCM texts describe pearl powder as having calming, sedative, and detoxifying properties, and it is sometimes prescribed to "clear the liver" and "brighten the eyes," which in TCM theory is thought to help with eye diseases like glaucoma.

However, scientific studies specifically investigating pearl or its components for the treatment or management of glaucoma are extremely limited. While pearl powder contains calcium, amino acids, and trace minerals, there is no substantial evidence showing that these constituents directly affect intraocular pressure or the pathophysiology of glaucoma. Some modern experimental research has examined pearl extracts for antioxidant or anti-inflammatory effects, but these studies are preliminary and do not directly relate to glaucoma outcomes. As a result, the use of pearl for glaucoma remains a traditional practice with minimal scientific backing, and it should not be considered a substitute for evidence-based treatments.

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