Published 06:58 IST, January 24th 2025 Digital screens are pervasive, not only at work but in our homes, schools and shops. NEW YORK: The trouble started every day at around 3 p.m.

, after Cathy Higgins had spent five or six hours staring at an array of computer screens at her desk. Her university job overseeing research projects involved peering closely at numbers and details on contracts, applications and budgets. “My vision was so blurry, I couldn’t even see what was on the screen, and I was squinting so much that I could not function,” Higgins said.

When her eyesight got bad, Higgins walked around and spoke with members of her staff. She began planning in-person meetings for afternoons. But she would resume the computer work late at night after her children went to bed.

“If I had to continue working through the blurry vision, that’s when the migraines would happen,” Higgins said. Digital screens are pervasive, not only at work but in our homes, schools and shops. An estimated 104 million Americans of working age spend more than seven hours a day in front of screens, according to the American Optometric Association.

All that screen time can take a toll. Too much exposure to screens can lead to dry or watery eyes, fuzzy vision and headaches. It can also lead to myopia, or nearsightedness, in some people, especially children.

Some technology workers even describe short bouts of vertigo when they look at screens for too long. Overworked eyes One reason for the disc.