A busy work schedule, constant traveling, regular computer use, centrally heated environments, contact lenses, and even make-up are just some of the things that can take a toll on your eyes, leaving them tired, irritated and uncomfortable. Optrex Refreshing Eye Drops help to combat the effects of modern living and are balanced at the natural pH of tears. Refreshing Eye Drops include a gentle and cooling formula that is suitable for everyday use. They replenish moisture and revive eyes, leaving them looking and feeling incredibly healthy.