Computer Eye Strain: Symptoms, Causes & Relief

If your eyes feel tired, dry, or blurry after hours at a screen, you're not alone. Computer eye strain — also called digital eye strain — affects millions of people who work on computers daily.

Common Symptoms

  • Dry or watery eyes
  • Blurred or double vision
  • Headaches and neck tension
  • Difficulty focusing after long screen sessions

What Causes It

Staring at a screen reduces your blink rate, which dries out the eyes. High-energy blue light from displays also scatters more than other light, forcing your eyes to work harder to focus.

How to Find Relief

  • Follow the 20-20-20 rule: every 20 minutes, look at something 20 feet away for 20 seconds.
  • Adjust lighting and glare: reduce screen brightness and avoid reflections.
  • Wear blue light glasses: filtering lenses ease the focusing strain from screen glare.

For screen work, square blue light blocking computer glasses or round metal blue light glasses filter out the harshest light. If you also need reading strength, anti-blue light reading glasses do double duty.

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