Desktop Lighter allows you to adjust the brightness of your screen easily and quickly. It can change the brightness level by application window trackbar slider or by keyboard command Hotkeys. So you can work with office documents, browse internet pages, watch movies, or play games and it is a good idea to set the proper brightness value before. You might use the monitor control buttons or the settings of your video driver to do it. But you could well do it with this program. Keep your eyes in optimum condition.