20-20-20 Rule

Screen time is a big issue these days. Many of us spend good time staring at screens from laptops, computers, smartphones, gaming and television. This can put a lot of strain on our eyes and cause eye fatigue. Looking at screens too much can lead to eye strain. But the 20-20-20 rule may help.


The 20-20-20 Rule.

The Canadian Association of Optometrists suggests one simple rule you can employ is a variation on the 20-20-20 rule to reduce eyestrain,

Every 20 minutes, take a 20-second break and focus your eyes on something at least 20 feet away.

  • Practice the 20/20/20 Rule, Give your eyes a rest! Every 20 minutes, take a break from your computer screen by looking at an object at least 20 feet away for 20 seconds.
  • It takes about 20 seconds for your eyes to completely relax
  • Blink to moisten and refresh your eyes.
  • Use artificial tear products for dry eyes.
  • Break up computer work by completing other tasks such as making phone calls or filing paperwork.
  • Adjust computer settings to the optimal height, distance, screen brightness, text size, and contrast to reduce eye strain.
  • There are also free Apps like Eye Care 20 20 20 that can help


Symptoms of eye strain

  • Sore, tired, burning, or itching eyes
  • Dry eyes
  • Watery eyes
  • Blurred vision
  • Doubled vision
  • Soreness in the neck, shoulders, or back
  • Sensitivity to light
  • Trouble concentrating
  • Difficulty keeping eyes open

Eye strain from screens and other devices can be uncomfortable. 20-20-20 rule may help you avoid eye strain along with decreasing your time spent looking at screens. Even if the strain feels severe it will likely not cause permanent damage to your vision. And your symptoms should subside once you rest your eyes.


Photo credit: http://healthparkpharmacy.com, http://www.anthro.com


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