NEW YORK — (AP) — 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, schoolsand shops. An estimated 104 million Americans of …