A. Vogel Eyebright Euphrasia Drops is a fresh herb tincture which has been specifically formulated to help naturally maintain eye health. This drop contains extracts of fresh Euphrasia (Eyebright). It is intended for internal use; simply add 20 drops to a little water. Euphrasia has been used since the 17th century in healthcare, more specifically for maintaining eye health. As with all of A. Vogels products, this herb tincture contains only the very best, freshest ingredients.