Optrex Dry Eye Drops. Optrex Dry Eye Drops instantly rehydrate and refresh dry, tired or irritated eyes. These drops are specially formulated to help your eyes tackle aspects of modern living, such as contact lenses wear, computer usage, driving, air conditioning or central heating and polluted atmospheres. The formulation contains specially designed ingredients that replenish your tears, lubricating your eyes so you can feel an immediate difference. Optrex Dry Eye Drops are made with purified water and are safe for use with contact lenses.