Optrex Soothing Eye Drops for Itchy Eyes Optrex Soothing Eye Drops for Itchy Eyes relieve irritation caused by pollen, pet hair & dust mites. Formulated with purified water & natural plant extracts, they gently cleanse the surface of the eye to flush out pollens & other allergens that cause irritation. Optrex Soothing Eye Drops for Itchy Eyes are suitable for everyday use & can be used as often as required for gentle, soothing relief.