Walking on the grass to eliminate dark circles?

Walking on the grass?.... We all know that green colour is the best colour of eyes. Green color sooth the eyes and relaxes the muscle around the eye lenses. It is said in some books (related to Ayurveda and home remedies) that when their is a dew on the plant, we get close to it. Why? because they provide a relaxing effect. An eye specialist also recommends walking on the grass bare footed to most of his patients.