Computer Vision Syndrome
What is it?
Computer Vision Syndrome (CVS) is an environmental condition caused by extensive computer use; in that the eyes blink less when looking at the screen there can be lasting irritation caused by long periods of computer and monitor use.
As many as 70 -75% of computer users may suffer from CVS but most of these people are unaware that a large part of their discomfort can be fixed.
Symptoms of CVS:
- Blurred or double vision
- Burning or watering eyes
- Headaches
Your Optometrist Can:
- Check your ability to focus your eyes on close work
- Check the external surface of the eye for tear layer abnormalities
- Check the health of internal structures of the eye
- Inquire about medications that you are taking
- Discuss the details about your computer workstation set-up
Possible Treatments Include:
- Specialized eyewear for use with the computer
- Eye exercises
- Change of contact lenses or contact lens solutions
- Recommend reviewing posture, lighting and distance from screen
Computer Users Checklist:
- Take Breaks
- For each hour on the computer, take a 5 to 10 minute break. Allow your vision to work at a different distance and task to avoid eyestrain.
Working Distance
The ideal distance from your eyes to the screen is about 50 - 60 centimeters.
Viewing Angle
If possible, position your chair and computer screen so that the screen is about 20 degrees below your eye level.
Lighting
Adjust screen brightness and contrast for personal comfort.
Glare
Check for sources of glare and reflection. Lights or windows behind the user can cause reflections and glare on the screen.
