The plant eyebright is also known as Euphrasia officialis. The word Euphrasia is of Greek origin, derived from 
Euphrosyne (gladness) the name of one of the three graces who was distinguished for her joy and mirth. 
Her properties were given to the plant as an eye medicine preserving eyesight and so bring gladness 
into the life of the sufferer. Herbalists recommend its use in diseases of the eyes such as conjunctivitis.
It is often used as a lotion.