Woman at a computer lifting her glasses and resting her tired eyes

Digital Eye Strain: How to Relieve Tired, Dry Eyes From Screens

Short answer: digital eye strain is the tired, dry, burning or blurry feeling after long periods on a computer, tablet or phone. The American Academy of Ophthalmology explains that the main culprit is simple: we blink about half as often when looking at a screen, so the eye surface dries out, and the focusing muscles work without a break. It does not cause permanent damage. The fixes are free: follow the 20-20-20 rule (every 20 minutes, look at something 20 feet away for 20 seconds), sit about an arm's length from the screen with it slightly below eye level, blink deliberately, use artificial tears, reduce glare and keep your glasses prescription up to date. A warm compress or heated eye mask soothes dry, tired eyes at the end of the day.

What are the symptoms of digital eye strain?

  • Dry, gritty, burning or watery eyes.
  • Blurred vision or difficulty refocusing between near and far.
  • Tired, heavy eyes and sensitivity to light.
  • Headaches across the forehead or behind the eyes.
  • Neck and shoulder ache from leaning toward the screen. See tech neck.

How do I set up my screen to reduce eye strain?

  • Distance. About 25 inches, or an arm's length, from your eyes.
  • Height. The centre of the screen slightly below eye level, so you look slightly downward. This exposes less of the eye surface and slows drying.
  • Glare. Position the screen side-on to windows, use a matte screen filter if needed and avoid a bright light directly behind or in front of you.
  • Brightness and contrast. Match the screen brightness to the room. A screen that glows like a lamp in a dim room is too bright.
  • Text size. Increase it. If you are leaning in to read, it is too small.

What is the 20-20-20 rule?

Every 20 minutes, look at something at least 20 feet away for at least 20 seconds. This relaxes the focusing muscle inside the eye and prompts you to blink. Set a repeating timer until it becomes a habit, and combine it with your posture break.

What helps dry, tired eyes feel better?

  • Blink fully and often. Put a sticky note on your monitor as a reminder.
  • Artificial tears. Lubricating eye drops a few times a day. Choose preservative-free if you use them more than four times daily.
  • Warm compress. Five to ten minutes of gentle warmth over closed eyelids softens the oils in the eyelid glands, which improves the tear film and feels very soothing. A heated eye mask or a warm-setting eye massager keeps a steady temperature more conveniently than a flannel.
  • Humidity. A desktop humidifier helps in air-conditioned or heated rooms. Direct fans and vents away from your face.
  • Contact lens breaks. Switch to glasses for long screen days.
  • Hydration and sleep.

See heated eye masks and eye massagers in our head and eye relief range.

Do blue-light glasses help eye strain?

The American Academy of Ophthalmology does not recommend blue-light-blocking glasses for computer use, because there is no good evidence that blue light from screens damages the eyes or causes eye strain. The discomfort comes from reduced blinking and sustained focusing. If you are over 40 and struggle at screen distance, glasses prescribed specifically for computer work can make a real difference. Blue light in the evening can delay sleep, so dimming screens and using night mode before bed is still sensible.

Could my headaches be from eye strain?

They can be. Eye strain headaches tend to build through the day and ease with rest. Tension in the neck and scalp often contributes. See tension headache relief at home.

When should I see an eye doctor?

Book an eye examination if symptoms persist despite these changes, if you have not had your eyes tested in the last two years, or if you notice double vision or a lasting change in your sight. Seek urgent care for sudden vision loss, eye pain, a red painful eye, flashes of light or a shower of new floaters.

Key takeaways

  • Screens halve your blink rate, which dries and tires the eyes. It is uncomfortable but not damaging.
  • Use the 20-20-20 rule and keep the screen an arm's length away, slightly below eye level.
  • Artificial tears and a warm compress or heated eye mask relieve dryness.
  • Eye doctors do not recommend blue-light glasses for eye strain.
  • Persistent symptoms or any sudden change in vision need a professional check.

Sources

This article is general wellness information and is not medical advice. It does not replace an examination by a qualified eye care professional.

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