Sunday, March 27, 2011

Eyes Become Discomfort When Work in Computer | Computer Vision Syndrome

Computer Vision Syndrome describes a group of eye and vision related problems that result from prolonged computer use. Many individuals experience eye discomfort and vision problems when viewing a computer screen for extended periods. The level of discomfort appears to increase with the amount of computer use.


Computer Vision Syndrome (CVS) is "the complex of eye and vision problems related to near work which are experienced during, or related to, computer use." For the computer user, that translates to red, itchy, watery, irritated eyes, along with eye fatigue, difficulty focusing, and a variety of other problems.


Symptoms of Computer Vision Syndrome:

• Eye Strain


• Back/neck aches

• Blurred vision

• Double vision

Dry eyes

• Irritated eyes



Computer Vision Syndrome symptoms are usually temporary during times of visually intense computer tasks.

Causes of Computer Vision Syndrome:

• Poor lighting

• Glare on the computer screen

• Improper viewing distances

• Poor seating posture

• Uncorrected vision problems

• A combination of these factors


Preventing Computer Vision Syndrome:

1 Have your eye muscles tested once a year.

2 If you use contact lens, take care not to over wear the lenses.

3 Don’t be too close or too far from the monitor. Maintain a distance of 20-24(18-28) inches from the eye to display.

4 Adjust the monitor’s brightness, contrast and flicker rate as appropriate.

5 Use glasses with an anti-reflective coating.

6 Use indirect lighting and eliminate exterior light and reflections by closing drapes or blinds.

7 Take a break every 20 minutes and look outside your window or at a distant object for 20 seconds.

8 Make top of the monitor slightly farther from the eyes than the bottom of the monitor.

9 Make sure that use dark letters in a light background.

10 Blink at least 15 times per minute while working on the computer.

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