Optrex Eyedew Dazzling Eye Drops will give you super white dazzling eyes and are suitable for all eye colours. Suitable for Suitable for adults and children over 12 years. Hazards and Cautions Consult your pharmacist or doctor before use if your are pregnant, if you have an eye disease (eg glaucoma),or have had eye surgery, if you are taking any medicines or receiving medical treatment for high blood pressure, depression, heart disease, diabetes or thyroid disorders.