Symptoms of digital eye strain include eye redness or irritation, dry eyes, blurred vision, back pain, neck pain, and headaches.Some of the ways to prevent digital eye strain include reducing glare, cleaning the screen, dimming the surrounding lighting that is competing with the device’s screen, keeping adequate distance between eyes and the screen, and increasing text size. Device users are also advised to take breaks from looking at the screen, and follow the “20-20-20” rule: Take a 20-second break every 20 minutes using an electronic device and look at something 20 feet
