Pouring and flushing your eyes with milk might seem unreal at first, but it can soothe an irritated eye. The 2 most common things that can sting your eyes are chili peppers and pepper spray. Both can cause a burning sensation, but trying to wash them with water can make them sting even more. Use milk instead. First, wash your face with the milk, with your eyes closed. Next, you can flush your eyes with the milk.