Plants used for eye problems, eye infections An infusion with saline solution was made with equal parts of the following: eyebright (Euphrasia officinalis) fresh or dry leaves, calendula (Calendula officinalis) flowers, and comfrey (Symphytum officinalis) leaves. The infusion was strained carefully and used as an eyewash. The infusion was weakened as the condition improved. Eyebright (Euphrasia officinalis) (1 tbsp/day) was added to the food, with water, for under a week. Two tea bags of chamomile (Matricaria chamomilla) or 2 heaping tsps of fresh or dried chamomile herbs was steeped with 1 cup of hot water and strained before the liquid was used as an eyewash.