How bad are digital screens (computer monitors, tablets, smartphones) for your vision? May 10, 2017Expert Adviceblue light, computer, digital screen, eyes, eyesight, laptop, macular degeneration, optometrist, smartphone, tablet, vision By Diane Atwood How bad are digital screens for our eyes? Optometrist Tim Kearins considers two angles — the effect on vision and how they may increase the risk of eye disease.