Abstract
The drugs that perform the best efficacious action in treating specific conditions are categorized in specified ganas. Chakshushya gana dravyas are focused in treating the various conditions of ophthalmic manifestations. Chakshushya dravyas are described in the classical texts of Brihatrayi, Laghutrayi, in particular Bhavaprakasha Nigantu. Yogaratnakara mentioned a group of drugs under the chakshushya varga, Punarnava is one among them. It exhibits various actions along with other Ghataka dravyas, when used in compound formulation. Punarnava is a rich source of many alkaloids, tannins, carbohydrates, saponins, glycosides, proteins, amino acids, phytosterols, phenolic compounds, flavonoids and terpenoids. It is extensively used in the treatment of degenerative disorders including ophthalmic manifestations especially in the treatment of corneal ulcers, conjunctivitis and other eye diseases. Many references are found in the Bhaishajya Ratnavali and Basavaraajeeyam.
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