"Careprost Plus Eye Drop is a combination of two drugs.Bimetoprost and timolol. Bimatoprost is a prostaglandin analog. It works by reducing the production of aqueous humor (fluid in the eye), Which increases eye pressure. Which is caused by other diseases such as glaucoma and diseases colar hypertension. Bimatoprost Timolol Eye Drops reduce high blood pressure and helps prevent vision loss."