Getting more sleep and reducing stress. Also, putting almond oil with vitamin E on your eyes and leaving it on overnight helps. Getting chilled potatoes and chopping them up to get the juice then leaving it on your eyes with a cotton ball for twenty minuets, then washing helps also. Soak rose water in cotton balls then pressing them to your eyelids for twenty minuets daily for about two weeks. Mix tomato juice with a little bit of lemon juice and put on your eyes with a cotton ball for twenty minuets. Almond oil and vitamin E are good for rejuvenating the skin, so does rose water. Tomato and potato juice are skin bleachers. You could also make a juice from tomato juice, lemon, mint leaves, and salt and the vitamins and things in that help skin health in many things, including dark eyes.