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Computer Vision Syndrome

Computer Vision Syndrome

What is it?

Computer Vision Syndrome or CVS is a medical condition that results from straining the eyes by focusing on a computer screen or other devices with a screen such as a laptop, mobile phone etc for a long time.

CVS is a growing condition noted in most individuals as we are surrounded by technology especially computers, or mobile devices everywhere whether it is for work purposes or studies. Computer Vision Syndrome consists of a variety of eye problems.


The major cause for Computer Vision Syndrome is the extended use of computers or such devices and also other medical conditions such as Rheumatoid arthritis.

Most individuals who use computers on a daily basis experience some form of vision problems as a result of looking at a screen for a long period of time.  CVS not only affect people who work but also children who spent most of their time playing games using a tablet or a computer. It is necessary to limit the use of screen-based devices for your children.

As you age, the lens in your eyes loses its flexibility making it harder to use computers and using eyeglasses prescribed by your doctor will help solve this problem.


Computer use may or may not cause any long term damage to the eyes, but here are some symptoms caused by extended use of computers, which shows up after a day spent mostly looking at computer screens,

  • Blurred vision
  • Difficulty in focusing
  • Sensitivity to light
  • Double vision
  • Dry and irritated eyes
  • Red eyes
  • Eye fatigue
  • Headaches
  • Neck pain caused by stiff neck
  • Back pain
computer eye strain symptoms

Treatment Methods

It is not possible to completely stop using computers or other mobile devices, as it has become an essential part of our daily lives, especially in a working environment. Here are a few ways to help treat Computer Vision Syndrome:

  • Do not focus on the screen for a long time.
  • Changing the lighting can help cut the glare from the computer screen making it less harmful to your eyes. Adding a glare filter to your screen can also help solve this issue. Make sure never to use a computer screen or any other device with a screen in the dark as it is harmful.
  • Rearrange your computer screen to slightly below your eye level as well as positioning the screen about 20 to 28 inches from your face as it is the best way to use the screen without it causing harm to your eyes
  • Use the 20-20-20 Break Rule: Take a very short break every 20 minutes to focus your eyes on something that is 20 feet away for 20 seconds. This is a helpful exercise to prevent CVS.
  • Blinking your eyes often is good as it helps prevent the eyes from getting too dry. If your eyes still feel dry, try using eye drops to make it moist.
  • Visit your eye doctor regularly for eye exams to ensure there is nothing wrong with your vision and to prevent other computer vision syndrome such as dry eyes. Sometimes in order to correct your vision, you may need to wear eyeglasses or contact lenses.


Authored By Dr. Lalit Kumar

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