Two programs in one with 3-10x magnifier and colored filter. The magnifier is large for easy viewing of small objects. Full screen colored filter saves your eyes from fatigue by blanketing your computer screen with soft beautiful luxurious colors. Prevents computer fatigue, eye strain and headaches and gives your desktop a beautiful new look.Easy to change colors and brightness. Great for at home or work. Improved to be easier to use. Can be adjusted to a soft shade for all day relief. Change shade color if desired in a few clicks.