Many adults in the U.S. have jobs that require 8 hours per day or more working at a computer. This is in addition to their recreational screen time watching TV, using a computer or their phone.

Research suggests that looking away from your screen every 20 minutes really can reduce eyestrain. The idea is even ...

Spending hours looking at a computer or phone screen has become inescapable in many workplaces: More than 104 million Americans are exposed to excessive screen time — defined as seven or more hours ...

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 ...