Optrex is used to  gently help remove dust, make-up and other particles that can easily get trapped on the surface of your eye. * As a sterile cleanser to remove sticky discharge from the area around an eye. * To wash away allergens from the eye surface, helping to reduce the symptoms of hayfever or allergies. * To quickly soothe and calm eyes that feel sore and irritated due to modern-day living. * As a regular part of your hygiene regime, to help keep your eyes hydrated and refreshed, helping to prevent irritation and discomfort.