Common Causes of Eye Strain As our modern world has changed, more people spend their days sitting in front of computer screens. Computers and televisions are back-lit, meaning that they emit a glare. Staring at this glowing screen makes your eyes work harder, straining the delicate muscles that control your eye. Eye strain is especially problematic for office workers and individuals who perform detailed, close-up work. People with eye strain often complain of headaches, blurred vision, or eye pain. Fortunately, resting your eyes can prevent eye strain and alleviate its symptoms. Giving Your Eyes a Rest Resting your eyes alleviates the hard work they perform by continually maintaining focus on nearby objects or glowing screens. Follow the 20-20-20 rule: every 20 minutes, take a break for approximately 20 seconds in which you look at an object at least 20 feet away. Looking at objects in the distance reduces eye muscle tension and lowers your risk of eye st...