For most of us, looking at screens throughout the day is utterly unavoidable. So what can we do to protect our eyes?
The simplest way to try and avoid digital eye strain is take breaks from staring at your computer screen as often as you can. However, guidelines differ on exactly how often you should take a break from your display.
The Vision Council advocates a "20-20-20 break": Every 20 minutes, take a 20-second break and look at something 20 feet away.
The Canadian Ministry of Labor suggests a five–minute break away from computer operation for every hour worked.
The UK’s Health and Safety (Display Screen Equipment) Regulations states that visual display unit users should be given "short, frequent breaks," as they are "more satisfactory" than occasional, longer breaks. The HSE suggests a 5-10 minute break after 50-60 minutes continuous screen and/or keyboard work…