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Because of extended computer use, eyestrain has become 

one of the leading office-related health complaints today.  

Eyestrain is the most common symptom associated with 

the condition known as Computer Vision Syndrome (CVS).  

Computer Vision Syndrome describes a group of eye and 

vision related problems that result from prolonged computer 

use. Experts estimate 50% to 90% of computer users (adults 

and children) experience some degree of eyestrain or other 

symptoms of CVS. According to the American Optometric 

Association the most common symptoms are:
• Eyestrain

• Dry Eyes

• Blurred Vision

• Headaches

• Neck & Shoulder Pain
These symptoms are caused by the increasing demand of 

computer generated graphics on our eyes combined with  

bad postural habits.
Children can also suffer from CVS. Computer/Screen use has 

become a routine part of kids lives. Surveys show an average 

American child spends two to four hours daily staring into a 

screen while surfing the internet, doing homework, chatting 

with friends, and playing games. Many doctors believe such 

sustained use puts kids at higher risk for developing myopia 

(nearsightedness)

Here are steps you can take to mitigate the effect of CVS on 

you or your children:
1. Get annual eye exams – annual eye exams are necessary 

so any vision correction or eye fatigue issues are addressed 

first by your doctor.
2. Location of computer screen – optimally, the computer 

screen should be 15 to 20 degrees below eye level (4 to 5 

inches) as measured from the center of the screen, and 20 to 

28 inches from the eye.
3. Blink more often and take more breaks – blinking is very 

important. It rewets your eyes to keep them moist, comfort-

able and clear. Look away from your computer screen every 

20 minutes to relax the focusing muscles in your eye.
4. Consider computer eyewear – for greatest comfort at 

your computer, you may benefit from having customized 

eyeglasses prescription for your computer work.

Computer Vision Syndrome

by Dr. Dipak R. Kalani

Dr. Kalani, O.D., a Shadow Creek resident, is an 

Optometrist and owner of Vision Source Family 

Eye Care.  For more information on healthy eye 

exams or to schedule an appointment, call today

713-436-7544, or request an eye exam online at  

www.visionsource-shadowcreek.com.

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