Doctors say: long work at the computer can lead to irreversible changes in the organ of vision. Myopia develops, which is adjusted only by wearing glasses, lenses, or surgical intervention. It turns out that these consequences can be avoided if you stick to simple techniques of "20-20-20".
The methodology is simple and short rest for the eyes while working at the computer. The doctors state must be interrupted for 20 seconds every 20 minutes of computer use and to look into the distance on small objects, which are located at a distance of 20 feet, which is about six meters.
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Scientists believe that compliance with such simple recommendations will allow you to save your eyesight for years to come. On the "20-20-20" especially should pay attention to office workers and people spending all their time behind a computer screen.