Eyebright cut herb (Euphrasia officinalis).
Horse dosage : 20 to 30 grams daily : 1 rounded 15ml scoop weighs approx 6 grams. Can be made into an eye wash.
Canine dosage : use tincture
To make an eye bath, place approx 10 grams of dried Eyebright into a pan, pour over 200mls of water and bring to the boil, simmering for up to five minutes. Cool and strain the mixture well (use muslin). The resulting liquid can be used to bathe the eye(s) up to three times a day as required. The liquid will keep for a couple of days if kept cool in the fridge or you can make up fresh each time.