It is true carrots are good for eyesight and to prevent macular degeneration. Sunglasses help prevent ultraviolet rays from affecting the eyes. Reading without taking your eyes off the page is not conducive to good eye health- take time out every 20 minutes to look outside for at least 20 seconds. It is a good idea to relax the eyes by looking at Nature, what is good for mental health is also good for the eyes. Move the eyes to the left the right and draw large imaginary visualization circles with the eyes, large squares, for 30 seconds as away to exercize the eyes. Closing the eyes and concentrating on an imaginary visualization candle is a form of meditation that is also good for resting the eyes.