Computer Vision Syndrome


AKA Digital Eye Strain

Computer Vision Syndrome (CVS), also known as Digital Eye Strain, refers to a group of symptoms that occur due to prolonged or excessive use of digital devices, such as computers, smartphones, and tablets. It is a common condition in the modern era, affecting people of all ages who spend significant time in front of screens.

Symptoms of Computer Vision Syndrome

  • Eye Discomfort. Dryness, redness, itching, or burning sensation in the eyes
  • Blurred Vision. Difficulty focusing, experiencing hazy or double vision.
  • Eye Fatigue. Tiredness or heaviness in the eyes, especially after prolonged screen use.
  • Headaches. Persistent or recurrent headaches, often centered around the temples or forehead.
  • Neck and Shoulder Pain. Muscular discomfort due to poor posture while using digital devices.

Causes of Computer Vision Syndrome

The causes of Computer Vision Syndrome are multifactorial. They include:
  • Prolonged Screen Use. Extended periods of staring at digital screens, such as computers, smartphones, and tablets, can strain the eyes and lead to CVS.
  • Blue Light Exposure. High-energy blue light emitted by screens can contribute to eye fatigue and discomfort.
  • Poor Lighting Conditions. Insufficient or excessive lighting in the environment can strain the eyes, exacerbating CVS symptoms.
  • Improper Screen Setup. Incorrect monitor position, improper viewing distance, or glare on the screen can contribute to CVS.

Diagnosing Computer Vision Syndrome

Diagnosing CVS involves an eye examination by an optometrist. Evaluations typically typically includes:
  • Symptom Evaluation. Discussion of symptoms experienced during or after screen use.
  • Visual Acuity Test. Assessing the clarity of vision at various distances.
  • Refraction Test. Determining any refractive errors that may contribute to CVS symptoms.
  • Eye Health Evaluation. Examination of the overall eye health and any underlying conditions.

Preventing Computer Vision Syndrome

Preventing Computer Vision Syndrome involves adopting healthy habits and optimizing your digital environment. It includes:
  • Adjust Screen Settings. Optimize screen brightness, contrast, and font size for comfortable viewing.
  • Proper Lighting. Ensure adequate lighting in the environment, minimizing glare and adjusting room lighting as needed.
  • Frequent Breaks. Take regular breaks from screen use, practising the 20-20-20 rule (look away from the screen every 20 minutes at an object 20 feet away for 20 seconds).
  • Ergonomic Setup. Maintain proper posture, position the screen at eye level, and use an ergonomic chair and desk setup.
  • Blinking and Eye Exercises. Remind yourself to blink regularly and perform eye exercises to reduce eye strain.

Treatments For Computer Vision Syndrome

Treatment options for Computer Vision Syndrome and Digital Eye Strain include:
  • Blue Light Filtering Glasses. Blue light filtering eyewear can filter out a portion of harmful blue light emitted by screens, reducing eye fatigue.
  • Anti-Reflective Lens Coatings. Anti-reflective lens coatings minimize glare and reflections, enhancing visual comfort.
  • Eye Drops. Lubricating eye drops can help relieve dry eye symptoms experienced during prolonged computer use.
  • Ergonomic Adjustments. Adjustments to the workstation setup and posture can help reduce eye strain.
  • Computer Glasses. Task-specific computer glasses can be tailored to an individual's specific vision needs and workstation setup to maximize their vision in front of the computer.

Computer Glasses

Computer glasses are specialized eyewear designed to reduce eye strain and alleviate symptoms of Computer Vision Syndrome. They feature lenses with specific properties, including:
  • Blue Light Filtering. Computer glasses can filter out a portion of harmful blue light emitted by screens, reducing eye fatigue.
  • Anti-Reflection Coatings. These lenses minimize glare and reflections, enhancing visual comfort.
  • Customized Prescription. Computer glasses can be tailored to an individual's specific vision needs if a prescription is required.

Computer Glasses Consultation & Fitting

Consult one of our Edmonton optometrists for a comprehensive eye exam to determine if computer glasses are suitable for your needs. They will assess your vision and recommend the appropriate lens type and prescription.

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Computer glasses with blue light filtering and anti-reflection lens coatings and a prescription that maximizes visual acuity at the focal length of your computer screen significantly reduces that amount eye strain and fatigue experienced.

Computer progressives are task-specific eyeglasses designed for intermediate and near distance activities. A traditional or driving pair of progressive lenses would be best suited for driving.