Grown in Europe and America. eyebright – as its name suggests – has been used for centuries to treat eye problems. It is believed the name comes from one of the Three Graces, Euphrosyne, who was known for her gladness and joy. First mentioned as an eye treatment en 1305, it was used in later centuries as an infusion for eyes, and in the 19th century was also used as a treatment for coughs, headaches, and earaches. It is commonly used in herbal medicine. Homeopathically, the whole fresh plant is used when in flower to make a remedy for sore, irritade eyes and eye injuries.