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Computer Vision Syndrome (CVS) Management in Calgary, AB


According to the American Optometric Association (AOA) more than seven out of 10 of employed persons that work for the majority of the day on a computer (over 140 million ) experience computer vision syndrome (CVS) or eye fatigue. Prolonged computer use can result in eye stress and effect normal vision processes in kids as well as adults. If you spend more than two hours daily sitting at a computer you are likely to experience some form of computer related eye fatigue.

Effects of Computer Vision Syndrome

Lengthy use of the computer can cause many of the symptoms of computer induced eye fatigue for instance:

  • Headaches
  • Loss of Focus
  • Burning Eyes
  • Dry, Tired Eyes
  • Double Vision
  • Blurred Vision
  • Neck and Shoulder Pain

What Causes CVS?
Eye strain from excessive computer use results from the need for our visual systems to adapt to processing text on a computer screen in a different way than they do for printed characters. Although our eyes have little problem keeping focus on printed material that has solid black characters with distinct borders, they have more difficulty with characters on a screen that lack the same degree of contrast and sharpness.
Characters on a screen are created by pixels, which are most luminous at the center and diminish in intensity toward the edges. Consequently, it is harder for our visual processing center to maintain focus on these characters. Rather, our eyes feel more comfortable at the ''resting point of accommodation'' or RPA.

Through involuntary movements, our eyes move to the resting point of accommodation and then strain to regain focus on the screen. Such continuous strain on the muscles of the eyes to focus results in the fatigue and eye strain that commonly occur with extended computer use. Computer vision syndrome isn't only a concern for those who spend a lot of time on computers. It's important to note that other electronic gadgets such as mobile phones or tablets can result in similar conditions and in some cases more severe. Because the screens on handheld digital devices are smaller in addition to pixilated the user often struggles even more to stay focused on images.

Treating Computer Vision Syndrome and Eye Fatigue
Computer vision syndrome can negatively affect your productivity so if you are experiencing discomfort it is worthwhile to consult an eye doctor as soon as possible.

During a computer vision exam, your eye doctor will check to see if you have any vision problems that could worsen computer vision syndrome. Depending on the outcome of the exam, your optometrist may recommend ophthalmic computer eyeglasses to reduce discomfort at your computer screen. An anti-reflective coating is highly recommended for computer eyeglasses. An anti-reflective coating eliminates reflections on the front and back surfaces of the lenses that cause glare and affect your ability to see images clearly on your computer.

Ergonomics for Computer Vision Syndrome
Visual Ergonomics, or changing your computer work environment to limit strains in vision or posture, can help minimize some of the discomfort of CVS. A well lit work area and frequent breaks will help to some extent. Nevertheless, since ergonomics alone cannot resolve problems with vision, using prescription computer glasses is also required.

If you think you are suffering or at risk of computer related eye strain, contact our Calgary, AB optometry practice.

Thank you for trusting your eyecare with us over the years.  The Foresight Eyecare team follows the government mandate to reduce the spread of the COVID-19 pandemic.  After December 2020 announcements made by the Alberta Government, our clinic is following the revised Infection Prevention and Control policy by the Alberta College of Optometrists.

Patients interested in obtaining eye exam services or eye care products can be seen by appointment only.  Please call ahead, and staff will arrange an appointment time and ask COVID-19 screening questions.  If you have any symptoms of cough, fever, runny nose or shortness of breath, we ask that you call or e-mail us and do not attend the clinic for your scheduled visit.   Within the clinic, please wear a mask and use the hand sanitizer at reception.  Our clinic complies with the City of Calgary bylaw requiring mask covering over the age of two years old.  For patients who are unable to wear a face covering due to medical reasons, the patient can be scheduled for an appointment at a time when minimal number of other patients are in the clinic such as at the beginning or end of the day to ensure appropriate physical distancing requirements.

We are using disposable disinfectant wipes on all surfaces and devices such as front desk counters, chairs, handles in exam rooms and waiting room.  All eyewear that have been touched by patients are continually being sanitized.   Any toys and magazines are stored at this time.  Examination areas are being sanitized with hospital grade disinfectant.  Debit and credit cards but NO CASH payments will be accepted.

COVID-19 symptoms are not always obvious.  We want to fend off this pandemic and minimize risk to our patients and the Foresight staff as front line health workers.   Contact that is closer than 2 m (6 feet) is to be avoided, with barriers in place when this cannot be avoided. We choose to continue to do our work and cautiously take care of our patients with compassion, humility, gentleness, and patience.   It is a challenging and new experience for many of us, so let‘s support each other and prevent virus spread!  Beyond 2020, our focus is on take care of you and keeping Clean Hands, Clear Heads and Open Hearts.   For more information, please refer to the following web pages or phone Health Link 811.

Drs. Dianna Leong, Anh Bui, Andrew Chan