lubricant eye drop by portable microscope 200X Lubricant Eye Drops :This medication is used to relieve dry, irritated eyes . Common causes for dry eyes include wind, sun, heating/air conditioning, computer use/reading, and certain medications . This product may contain 1 or more of the following ingredients: carboxymethylcellulose, dextran, glycerin , hypromellose, polyethylene glycol 400 (PEG 400), polysorbate, polyvinyl alcohol , povidone, or propylene glycol, among others. Eye lubricants keep the eye moist, help to protect the eye from injury and infection, and decrease symptoms of dry eyes such as burning, itching , and feeling as if something is in the eye.