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Computer Vision Syndrome (CVS)

tired eyes background

FAQs about Computer Vision Syndrome (CVS)

Q: What is Computer Vision Syndrome, CVS?

A: Computer Vision Syndrome, also known as Digital Eye Strain, describes a group of eye and

vision-related problems that result from prolonged computer, tablet, e-reader and cell

phone use. Many individuals experience eye discomfort and vision problems when viewing

digital screens for extended periods. The level of discomfort appears to increase with the

amount of digital screen use.

Q: Why is this happening?

A: The average American worker spends seven hours a day on the computer either in the office

or working from home. Most of us no longer work or play much outdoors any longer. Our

visual system was “designed” to function in an open environment not a closed environment.

Did you know each eyeball has 6 muscles that control how the eye points and one muscle

inside the eye that helps us to change focus? In addition we have eyelid and facial muscles

that may also be involved with the process of sight. An example of this would be squinting.

Q: What are the symptoms of CVS?

A: Some of the symptoms when viewing monitors, tablets, e-readers, and cell phones may be:

  • eyestrain
  • headaches
  • blurred vision
  • dry eyes
  • neck and shoulder pain
  • insomnia

Q: What can cause these symptoms?

A: Here are some factors that may contribute to these symptoms.

  • poor lighting
  • glare on a digital screen
  • improper viewing distances
  • poor seating, head, posture
  • uncorrected vision problems such as myopia, hyperopia, astigmatism, and presbyopia
  • undetected amblyopia, lazy eye
  • undetected strabismus, eye turns
  • improper eyeglass frame fit or adjustment
  • eyeglass optical lens designs
  • dry eye syndrome
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In observance of the 2017 Holiday season, Mill Creek Vision will be closed on the following days:


Thursday, November 23rd

Friday, November 24th

Saturday, November 25th


Monday, December 25th

Tuesday, December 26th

New Year

Monday, January 1st