Optrex Itchy Eye Drops, which contain natural plant extracts, help relieve irritation caused by pollen. Optrex Itchy Eye Drops work by flushing out allergens such as pollen that cause hayfever. Formulated with purified water and natural plant extracts, these drops gently cleanse the eye surface to wash pollen and other allergenic particles away, providing gentle relief from the irritation they cause to allergic eyes. They are suitable for everyday use.