Computer Vision Syndrome

Computer Vision Syndrome

Computer vision syndrome (CVS), also known as digital eye strain, refers to a group of eye and vision-related problems that result from prolonged computer, tablet, e-reader, or smartphone use. Anyone who spends two or more continuous hours at a computer or using a digital screen device every day are at greatest risk.

Here are some key aspects of CVS

  • 1. Symptoms: Symptoms of CVS include eyestrain, headaches, blurred vision, dry eyes, neck and shoulder pain, and difficulty focusing. These symptoms may worsen with extended screen time.
  • 2. Causes: CVS can be caused by several factors including poor lighting, glare on the screen, improper viewing distances, poor seating posture, uncorrected vision problems, and extended periods of uninterrupted screen use.
  • 3. Prevention and Management:

Adjust Workspace

  • Location of the computer screen : Optimally, the computer screen should be 15 to 20 degrees below eye level (about 4 or 5 inches) as measured from the center of the screen and 20 to 28 inches from the eyes.
  • Lighting-Position your computer screen to avoid glare from windows or overhead lights. Use indirect lighting and adjust the brightness and contrast of your monitor to reduce eye strain.
  • Anti-glare screens : If there is no way to minimize glare from light sources, consider using a screen glare filter.
  • Chair Height and Support: Adjust your chair so that your feet are flat on the floor or on a footrest. Your knees should be level with your hips (or slightly lower) to promote good circulation. Use a chair that provides adequate lumbar support to maintain the natural curve of your spine.
  • Screen Settings : Adjust the text size and contrast on your screen to ensure comfortable viewing. Also, keeping screens clean; dirt-free and removing fingerprints can decrease glare and improve clarity.
  • An adjustable copyholder: Place reference material at the same distance from eyes as the computer screen and as close to the screen as possible.

Take Breaks

Follow the 20-20-20 rule—every 20 minutes, look at something 20 feet away for at least 20 seconds to reduce eye strain.

Blink More

Blink frequently to keep your eyes moist, as staring at screens can reduce blink rates and lead to dry eyes.

Correct Vision

Ensure your eyeglass or contact lens prescription is up-to-date and suitable for computer use.

Regular Eye Exams

Comprehensive eye exams can detect underlying vision problems contributing to CVS and ensure appropriate treatment or corrective measures.

In summary, CVS is a common issue due to modern digital lifestyles. By adjusting habits, workspace, and considering specialized eyewear, individuals can mitigate discomfort and protect their eye health during prolonged screen use.

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