Understanding, Combating and Preventing Digital Eye Strain

November 29, 2023
Woman rubbing her eyes while working at the computer

Read time: 5 minutes


In our increasingly digital world, where screens are an integral part of daily life, it's essential to be aware of the potential side effects on our eyes. One common issue that many individuals face is Digital Eye Strain (DES), also known as Computer Vision Syndrome (CVS). This condition is a result of prolonged use of digital devices such as computers, smartphones, and tablets. In this blog post, we'll explore what Digital Eye Strain is, its causes, and most importantly, how you can prevent it.


What is Digital Eye Strain?


Digital Eye Strain refers to a collection of eye and vision-related issues that arise from prolonged use of digital devices. People experiencing this condition may suffer from discomfort in the eyes or body, leading to a range of symptoms. Examining Digital Eye Strain reveals how our contemporary digital habits can impact eye health and overall well-being in diverse ways.


The symptoms of Digital Eye Strain may include:


  • Eye Discomfort: Individuals often experience discomfort in the form of dry eyes, redness, or a feeling of grittiness.


  • Blurred Vision: Prolonged screen time can lead to temporary blurred vision, making it challenging to focus on objects at a distance.


  • Headaches: Many people who spend extended periods staring at screens report headaches as a common symptom of Digital Eye Strain.


  • Neck and Shoulder Pain: Poor posture while using digital devices can contribute to neck and shoulder pain.


  • Sleep Disturbances: Exposure to the blue light emitted by screens, especially in the evening, can disrupt sleep patterns.


Causes of Digital Eye Strain


Several factors contribute to the development of Digital Eye Strain which together can cause the discomfort that comes with using digital devices. They include:


  • Extended Screen Time: Spending hours in front of a digital screen without breaks can strain the eyes.


  • Blue Light Exposure: Digital devices emit blue light, which can contribute to eye strain and disrupt the sleep-wake cycle.


  • Poor Ergonomics: Incorrect screen height, chair height, and lighting can lead to uncomfortable viewing angles and contribute to eye strain.


  • Uncorrected Vision Problems: Individuals with uncorrected vision problems, such as nearsightedness or astigmatism, may be more susceptible to Digital Eye Strain.


Prevention Strategies


Now that we have an understanding of Digital Eye Strain and have looked at its common causes, let's consider practical strategies you can effectively use to prevent and relieve the symptoms linked to this modern-day affliction. It's crucial to adopt a comprehensive approach that includes both preventive measures and therapeutic interventions. This approach aims not only to alleviate the immediate discomfort linked to Digital Eye Strain but also to promote long-term eye health.


  1. Follow the 20-20-20 Rule - To reduce eye strain, follow the 20-20-20 rule. Every 20 minutes, take a 20-second break and look at something 20 feet away. This helps relax the eye muscles and prevents them from becoming fatigued.
  2. Adjust Screen Settings - Optimize your screen settings for comfort. Adjust the brightness, contrast, and font size to ensure that text is easily readable without straining your eyes.
  3. Use Blue Light Filters - Consider installing blue light filters on your devices or using specialized glasses with blue light coatings. These filters reduce the amount of blue light reaching your eyes, potentially minimizing eye strain and improving sleep quality.
  4. Invest in Screen Shields - Anti-glare or matte screen protectors can reduce glare and reflections, making it easier on the eyes. These shields are especially useful in brightly lit environments.
  5. Ensure Proper Lighting - Position your screen to avoid glare from windows and artificial lighting. Use curtains or blinds to control natural light, and adjust the room lighting to reduce glare on the screen.
  6. Practice Good Ergonomics - Maintain a comfortable and ergonomic workspace. Position your monitor at eye level, ensure your chair provides proper support, and use a keyboard and mouse that promote a natural hand position.
  7. Blink Regularly - Blinking helps moisten the eyes and prevent dryness. Be conscious of blinking, especially during prolonged screen time, to avoid dry eye symptoms.
  8. Regular Eye Exams - Schedule regular eye exams to ensure your vision is corrected appropriately. An optometrist can detect and address vision problems that may contribute to Digital Eye Strain.
  9. Follow the 2-Hour Rule for Children - Children may be more susceptible to Digital Eye Strain. Encourage breaks every two hours when using digital devices, and ensure proper lighting and screen settings for their activities.


Physical Aids for Digital Eye Strain


For additional protection against Digital Eye Strain, there are some physical aids that can complement the preventive measures above. Let's look at some valuable strategies that can help to further mitigate the effects of digital eye strain:


  1. Screen Shields - Invest in high-quality screen shields that reduce glare, filter blue light, and protect against scratches. These shields are easy to apply and are available for various devices, including smartphones, tablets, and computers.
  2. Anti-reflective Lens Coatings - Consider eyeglasses with anti-reflective coatings. These coatings reduce glare and reflections on the lenses, improving visual comfort during screen use.
  3. Computer Glasses - Computer glasses are designed specifically for extended computer use. They can have special coatings to minimize blue light exposure and provide a more comfortable viewing experience.
  4. Task Lighting - Use task lighting to illuminate your workspace adequately. This reduces the strain on your eyes by ensuring the screen is the primary light source.
  5. Adjustable Monitor Stands - Invest in an adjustable monitor stand to ensure that your screen is at eye level. This promotes a more comfortable viewing angle and reduces neck and shoulder strain.
  6. Artificial Tears - If you experience dry eyes, consider using artificial tears to lubricate and soothe your eyes. These over-the-counter eye drops can provide relief from dryness and discomfort.


The Takeaway


Digital Eye Strain is a prevalent issue in our technology-driven world, but with awareness and proactive measures, it can be effectively managed and prevented. By incorporating simple habits like following the 20-20-20 rule, adjusting screen settings, and using physical aids such as screen shields and lens coatings, you can significantly reduce the impact of prolonged screen time on your eyes. Prioritize your eye health in the digital age, and enjoy the benefits of a more comfortable and visually stress-free experience.

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The information provided in this article is intended for general knowledge and educational purposes only and should not be construed as medical advice. It is strongly recommended to consult with an eye care professional for personalized recommendations and guidance regarding your individual needs and eye health concerns.


All of Urban Optiks Optometry's blog posts and articles contain information carefully curated from openly sourced materials available in the public domain. We strive to ensure the accuracy and relevance of the information provided. For a comprehensive understanding of our practices and to read our full disclosure statement, please click here.

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