Prolonged computer use is actually harmful for eyes, which may cause eye strain, dry eyes, eye fatigue, blurry vision and sensitive to light, etc. Because the characteristics of computer screens and the visual demands of computer work make many people susceptible to eye problems. To better use of computer screen, there are some simple tips to prevent such problems caused by computer screen. Firstly, you can adjust the position of the monitor, too high monitor position would cause eye strains. So keep your monitor close than arm's length from your eyes. Secondly, you can remix your environment for brighter lighting. To avoid glare or shadows caused by nearby windows, and don't compute while facing an unshaded window or with dim lights. Thirdly, wear computer glasses. Computer glasses have the function of blocking radiation and protect eyes, you can choose a pair of suitable computer glasses for better computer screen. Fourthly, take regular eye break. You can do some eye exercises, or look away from your computer screen every 30 minutes and look into the distance after prolonged focus on screen. I hope these tips would be helpful.