Computer Vision Syndrome


Computer Vision Syndrome (CVS) covers all types of eye disorders which occur due to excessive or prolonged use of computers. 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.



The most common symptoms associated with CVS are:

  • Blurred vision
  • Eyestrain
  • Dry eyes
  • Headaches
  • Neck and shoulder pain




Computer Vision Syndrome can be diagnosed through a comprehensive eye examination with an emphasis on visual requirements at the computer working distance. Your medical history is an important element to identify if there are any general health problems or medications taken that may be contributing to your symptoms. A refraction and special testing of how your eyes focus, move and work together is performed.

This testing may be done without the use of eye drops to determine how the eyes respond under normal seeing conditions. In some cases, such as when some of the eyes’ focusing power may be hidden, eye drops may be used. They temporarily keep the eyes from changing focus while testing is done.




Solutions to computer-related vision problems are varied. In some cases, individuals who do not require the use of eyeglasses for other daily activities may benefit from glasses prescribed specifically for computer use.

Persons already wearing glasses may find their current prescription does not provide optimal vision for viewing a computer. In these cases, a dedicated eyeglasses prescription for computer use may be recommended. Additionally, special lens tints and anti-reflective coatings on lenses are available that help reduce glare, dry eye and eyestrain.

Maintaining a proper body positioning for computer use is also a factor in reducing CVS. The ergonomics of the location of your computer screen is important. Heavy computer users should be aware of the following elements help reduce the symptoms of CVS:

  • Computer eyewear (frames and lenses) with the computer lens prescription
  • Proper lighting
  • Reducing computer glare by using anti-reflective lenses and anti-glare computer screen
  • Use a larger computer screen
  • Adjust your computer display settings for brightness, contrast, color temperature and text size.
  • Exercise your eyes
  • Take frequent breaks
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