la·tan·o·prost lə-'tan-ə-.präst n a prostaglandin analog C26H40O5 used topically to reduce elevated intraocular pressure see xalatan
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n.
a prostaglandin drug (an analogue of PGF2) that both increases the drainage of aqueous humour from the eye and reduces the production of aqueous humour. It is used topically as a treatment for glaucoma. Trade name: Xalatan.
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la·tan·o·prost (lə-tanґo-prost″) an antiglaucoma agent applied topically to the conjunctiva in the treatment of open-angle glaucoma and ocular hypertension.Medical dictionary. 2011.