COMPUTER VISION SYNDROME


   Many computer users have Computer Vision Syndrome (CVS). The problem is felt more when you're doing fine work as a graphic design project for a client, stock market study or filling out life insurance and other forms online, the work which needs more conentrated work. Studies show that 50% - 90% of computer users experience the symptoms of CVS. The good news is that the eye and vision symptoms and problems of CVS can usually be alleviated by good eye care and/or by changes in the work environment. It does not disable their sufferers for life. Most of the eye symptoms clear up after a few hours away from the keyboard.

People getting older is the biggest issue when it comes to computer vision problems as it collides with normal deterioration of vision at age of 40. However young persons whose monitor is placed too high may also be affected. There is no evidence that using of computer will cause permanent eye problem but it can make people so uncomfortable that they are troubled in concentrating on their work.

Symptoms

  Headache.
  Tired and achy eyes.
  Dry, Gritty or usually watery eyes.
  Blurred or double vision.
  Difficulty in focusing after working for long on computers.
  Neck, Back and Shoulder pain.

Cause

The people normally blink less when working on computer and blinking is necessary to keep eyes moist and relaxed. Less blinking causes excess of evaporation and dry eye.

Some people also have minor problems such as eye coordination and focusing that aren't apparent in other activities, but become an issue when using the computer.

Computers are often set up in ways that make eyes work too hard.
         i)  The computer typeface may be too small
        ii)  The glare from nearby lights or windows may be too bright
       iii)  The monitor may be placed higher than is natural for your eyes.

People over 40 with bifocals or reading glasses often run into problems because their glasses are geared to looking at books held 16 inches away, rather than computer screens that are typically two feet away.

Preventive steps

If you have trouble with your eyes when computing, follow the preventive measures which can give you relief from most of the symptoms:

Position your monitor 16 to 30 inches away from your eyes, depending on what's comfortable.

It should be four to eight inches lower than eye level, so you're look- slightly down towards it. And it should be tilted slightly up, as if it were a book or magazine.Looking down covers more eye and so tear evaporation from exposed surface is less.

Place light sources perpendicular to your computer, so they won't shine in your eyes or reflect on your screen. If you have a glare problem, consider installing a glare screen or a three-sided hood on your computer.

Use a large enough typeface. Experiment with different fonts and background colors to see if one is easier for you to read.

Adjust your monitor for the most contrast that you are comfortable with.

Make efforts to blink frequently.

Take short breaks that is look away from the screen or close the eye periodically for few seconds / minutes.

In persons above 40 who are using bifocals will need special glasses for computer work.

Treatment

Use of artificial tears or contact lens wetting solution to keep your eyes moist gives relief from symptoms.

People with moderate to severe eyestrain or fatigue may need glasses.

  



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