Daily Challenge Tuesday Sep. 21, 2010

Everyday Well-Being

Follow the 20-20-20 rule by looking away from your computer screen every 20 minutes at a spot 20 feet away for 20 seconds.

How to do it

After 20 minutes of working at your computer or texting and answering e-mails from your cell phone, look away and focus on a spot 20 feet away for 20 seconds. Try doing this throughout the day by setting a timer to remind yourself to look away every 20 minutes. That makes up the 20-20-20 rule!

Why it matters

Working at a computer or even staring at a small cell phone screen for long stretches at a time can lead to eye strain, blurred vision, dry eyes, and headaches -- a condition known as Computer Vision Syndrome (CVS). You can avoid this by following the 20-20-20 rule, which is to take a break every 20 minutes to look away from your screen at something 20 feet away for 20 seconds.

Fun fact

The first computer was built in 1943. Nicknamed ENIAC (Electronic Numerical Integrator and Computer), it weighed 30 tons and took up 1,800 square feet of floor space. The total cost to build the computer was $500,000.


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