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diquafosol

n. A pharmaceutical drug for the treatment of dry eye disease.

Wikipedia
Diquafosol

Diquafosol (tradename Diquas) is a pharmaceutical drug for the treatment of dry eye disease. It was approved for use in Japan in 2010. It is formulated as a 3% ophthalmic solution of the tetrasodium salt.

Its mechanism of action involves agonism of the P2Y2 purinogenic receptor.