Image source: Dreamstime.com Pressure on hardbooks and libraries has lessened to a great extent nowadays because of the widespread use of E-books and videos as tools for learning; thus, learning has become easier. But the problem is learning on a digital screen is harmful to our eyes and overall health. Here are 10 tips for you if you want to lessen the extent of the harm digital screen causes. 1. Choose a big screen size: the bigger the better A big screen makes your reading and watching a lot easier than small screens. So, try to buy a device with a screen as big as possible and affordable. 2. Choose right display type: the cheapest the worst The more expensive a device is, the best display it uses. But you must be sure by looking at the detailed specification. AMOLED displays are best and TN displays are worst. IPS display is good enough for both smartphones and laptops. 3. Prefer high contrast ratio: the higher the better The contrast ratio (CR) is a property of a display system w