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Computer Vision Syndrome (CVS), also known as Digital Eye Strain, is a condition that arises from prolonged use of digital devices such as computers, smartphones, tablets, and e-readers. It is characterized by a range of eye and vision-related symptoms that can occur when individuals spend extended periods of time looking at screens. Some common symptoms of CVS include:

  • Eye Strain: This is a common symptom and often the most prominent one. It can manifest as discomfort, burning, itching, or a sensation of dryness in the eyes.

  • Headaches: Prolonged screen time can lead to headaches, particularly if the individual is not using proper posture or taking regular breaks.

  • Blurred Vision: Blurry or double vision may occur, especially after focusing on a screen for an extended period.

  • Difficulty Focusing: Some people may experience difficulty shifting their focus from the screen to other objects, such as printed documents.

  • Dry Eyes: Reduced blinking while staring at a screen can lead to decreased tear production, resulting in dry or irritated eyes.

  • Neck and Shoulder Pain: Poor posture and screen positioning can contribute to neck and shoulder discomfort.

  • Light Sensitivity: Increased sensitivity to light, known as photophobia, can develop in some individuals.


Solutions to digital screen-related vision problems are varied. However, they can usually be alleviated by obtaining regular eye care and making changes in how the screen is viewed.

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. In addition, persons already wearing glasses may find their current prescription does not provide optimal vision for viewing a computer.

  • Eyeglasses or contact lenses prescribed for general use may not be adequate for computer work. Lenses prescribed to meet the unique visual demands of computer viewing may be needed. Special lens designs, lens powers or lens tints or coatings may help to maximize visual abilities and comfort.

  • Some computer users experience problems with eye focusing or eye coordination that can't be adequately corrected with eyeglasses or contact lenses. A program of vision therapy may be needed to treat these specific problems. Vision therapy, also called visual training, is a structured program of visual activities prescribed to improve visual abilities. It trains the eyes and brain to work together more effectively. These eye exercises help remediate deficiencies in eye movement, eye focusing, and eye teaming and reinforce the eye-brain connection. 

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