Computer Vision Syndrome (CVS)
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Computer vision syndrome is a serious problem for the millions of people. Due to long hours on the computers, large percentage of computer users (by some research between 60% and 90%) are prone to Computer Vision Syndrome (CVS). It typically develops after more than 2 hours of work on the computer and disappears if we stop to work for a few hours.
Main CVS symptoms are:
Eyestrain (Non-Specific Ocular Discomfort)
Blurred Distant and Near Vision
Diplopia (Double Vision)
Dry or Irritated Eyes
Computer vision syndrome could have been invented if we use some simple rules.
Maintain a distance of 20-30 inches between the eyes and the computer
Use a font size of 12-14
Keep the pixel size as low as possible and flicker rate as high as possible on your computer
Purchase ergonomic furniture to ensure adequate distance from the screen and good posture, use glasses with an antireflective coating
You can prevent CVS taking regular breaks during work with computer. Also, it would be good to practice simple eye exercises.
1. Look outside the window or at a distant object for 20 seconds. Looking far away relaxes the focusing muscles inside the eye to reduce fatigue.
2. Look at a distant object for 15-20 seconds, then stare at something up close for 15-20 seconds. Then look back at the distant object. Do this 10 times. This exercise save your eyes focusing ability.
3. Take a sharpened pencil and hold it at an arm's distance. Focus your eyes at the tip of the pencil and slowly bring it toward your eye. When you start seeing it double, repeat the exercise.
These eye exercises should be done everyday. If you are wearing spectacles, you should do the exercises without removing them. If you stick with these exercises, you will prevent very unpleasant Computer Vision Syndrome and in the same time you will keep good shape of your eyes.
By Ron Blutter