by Dr. Joseph Mercola STORY-AT-A-GLANCE The U.S Food and Drug Administration approved prescription eye drops, called Vuity, to treat presbyopia, commonly known as age-related farsightedness Its active ingredient is pilocarpine HCl ophthalmic solution 1.25%, a muscarinic receptor agonist Vuity is intended to be used once daily, with one drop in each eye; it takes effect […]