... for at least 2000 years in the treatment of various eye problems. Since the middle Ages, Eyebright (Euphrasia officinalis) ... an astringent. It is especially useful for eyestrain, eye inflammations, and other eye ailments. In addition, Eyebright can greatly relieve ... lachrymation. Internally, Eyebright Extract also helps maintain good vision and eye health by supporting the liver among other organs in ...