How Does Screen Time Affect your Eyes?

From laptops and phones to tablets and TVs, screens are a big part of everyday life. Whether you’re working at a desk, scrolling on your phone or relaxing with your favourite show, spending long periods looking at a screen can leave your eyes feeling tired.

What is Digital Eye Strain?

Looking at screens for extended periods can contribute to digital eye strain, sometimes called computer vision syndrome. You may notice symptoms such as

• Tired or uncomfortable eyes
• Dry or irritated eyes
• Blurred vision
• Headaches
• Difficulty focusing after prolonged screen use

One reason is that we tend to blink less frequently when concentrating on a screen. Blinking helps keep the surface of the eye moist, so reduced blinking can contribute to dryness and irritation.

Give your Eyes Regular Breaks

A simple habit that may help is the 20-20-20 rule. Every 20 minutes, take 20 seconds to look at something approximately 20 feet (6 metres) away. It gives your eyes a chance to relax from prolonged close-up focusing. It can also help to position your screen comfortably, reduce glare from windows or overhead lighting and adjust your screen brightness and text size so that you’re not straining to see.

Don’t Forget to Blink

It sounds simple, but making a conscious effort to blink regularly can help keep your eyes comfortable, particularly during long periods of computer work. If possible, build short screen breaks into your working day too.

Small Changes can make a Difference

Screens are an unavoidable part of modern life, but being mindful of how you use them can help keep your eyes more comfortable. Take regular breaks, remember to blink and make sure your workspace is set up comfortably for your eyes. If you experience persistent eye discomfort, headaches or changes in your vision, consider speaking with your optometrist or another qualified eye-care professional.