Fossil fuels are hydrocarbons, meaning they are composed primarily of carbon and hydrogen. When fossil fuels are burned, carbon dioxide (CO 2) and water (H 2 O) are the principle chemical products, formed from the reactants carbon and hydrogen in the fuel and oxygen (O 2) in the air.
Yes: Visine has a vasoconstrictor medication that makes the blood vessels of the eye constrict to decrease the appearance of redness of the eyes. This decreases blood flow to the conjunctivae of the eyes.
Imipramine has anti-cholinergic effects and is used in treatment of enuresis in children older than six years. That is why, in humans, anti-cholinergic drugs or drugs with anti-cholinergic side-effects are known to cause dry eyes (Dartt 2009).