India, Aug. 13 -- The way we use our eyes today is very different from how previous generations used theirs. For most of human history, people spent their days looking at changing landscapes, walking outdoors, talking face-to-face, and focusing on objects at different distances. Today, many of us begin the day by checking our phones, spend hours in front of computers, and unwind by watching television or scrolling through social media.

It's easy to blame long screen time for many of our eye problems, but the story is much bigger than that. What has changed isn't just the number of hours we spend looking at screens. It's the way our eyes are being used throughout the day.

That shift is making eye specialists look at eye health in a new w...