Protecting Your Eyes From Computer Screens

In the digital age, we spend a significant portion of our lives in front of screens, whether it's for work, entertainment, or communication. However, prolonged exposure to computer screens can have negative effects on our eyes, leading to discomfort, eye strain, and even long-term issues. This article aims to provide you with valuable information on protecting your eyes from computer screens by discussing the risks associated with prolonged screen time, understanding computer vision syndrome (CVS), and offering practical tips on preventing eye strain.

The Risks of Prolonged Screen Time for Your Eyes

Prolonged exposure to computer screens poses several risks to our eyes. One of the most common issues is digital eye strain, which can result in symptoms such as dryness, irritation, redness, and blurred vision. In addition to discomfort, this can also lead to reduced productivity and diminished quality of life.

Another significant risk associated with prolonged screen time is the exposure to blue light. Blue light is a high-energy visible (HEV) light emitted by digital screens, which can cause damage to the eyes over time. Research has shown that excessive exposure to blue light may increase the risk of developing age-related macular degeneration (AMD), a leading cause of vision loss in older adults.

Moreover, continuous screen time can also impact our sleep patterns. Blue light is known to suppress the production of melatonin, the hormone responsible for regulating our sleep-wake cycle. This can lead to difficulty falling asleep, poor sleep quality, and increased daytime fatigue.

Understanding Computer Vision Syndrome (CVS)

Computer vision syndrome (CVS), also known as digital eye strain, is a group of eye and vision-related problems that result from prolonged computer use. CVS is characterized by symptoms such as eye strain, dryness, irritation, blurred vision, and headaches. These symptoms can be exacerbated by factors such as poor lighting, glare on the screen, improper viewing distances, and poor posture while using the computer.

CVS is becoming increasingly prevalent in today's technology-driven world. In fact, studies suggest that up to 90% of computer users might experience symptoms of CVS at some point. It is essential to be aware of this condition and take appropriate measures to prevent or mitigate its impact on your eye health and overall well-being.

How to Prevent Eye Strain From Computer Screens

There are several strategies that you can adopt to prevent eye strain from computer screens:

  1. Follow the 20-20-20 rule: To reduce eye strain, take a break every 20 minutes and look at something 20 feet away for 20 seconds. This helps to relax the eye muscles and reduce focus fatigue.

  2. Adjust your screen brightness and contrast: Ensure that your screen's brightness and contrast are set appropriately to reduce eye strain. Ideally, the screen should be as bright as your surrounding environment.

  3. Optimize screen positioning: Position your screen at a comfortable distance, typically about an arm's length away. The top of the screen should be at or slightly below eye level, which helps to reduce strain on the neck and eyes.

  4. Minimize glare: Use an anti-glare screen protector or adjust your screen angle to minimize glare from windows and other light sources.

  5. Blink regularly: Blinking helps to moisten the eyes and prevent dryness. Make a conscious effort to blink more frequently when using the computer.

  6. Practice good posture: Maintain good posture while using the computer, with your back straight and feet flat on the floor. This helps to reduce strain on the neck, shoulders, and eyes.

Computer Glasses for Eye Strain

Computer glasses for eye strain are specifically designed to reduce the discomfort and symptoms associated with prolonged screen use. These glasses have lenses that are optimized for viewing computer screens, with features such as anti-reflective coatings, blue light filtering, and customized focal lengths.

Anti-reflective coatings help to reduce glare and reflections on the lens surface, while blue light filtering lenses block a portion of the harmful blue light emitted by digital screens. Customized focal lengths are tailored to the user's specific viewing distance, providing clearer and more comfortable vision when using the computer.

Choosing the Right Eye Strain Glasses for You

When selecting eye strain glasses, it is essential to consider several factors to ensure you choose the most suitable pair:

  • Consult an eye care professional: Before purchasing eye strain glasses, consult an eye care professional to determine whether they are appropriate for you. They can also help you choose the right lens features and provide guidance on the most suitable focal length for your needs

  • Consider your prescription: If you already wear prescription glasses, ensure that your computer glasses incorporate your current prescription to maintain optimal vision while using the computer

  • Select appropriate lens features: Choose lenses with anti-reflective coatings and blue light filtering, as these features help to reduce glare and minimize the harmful effects of blue light exposure

  • Choose a comfortable frame: Select a frame that fits well and is comfortable to wear for extended periods. Look for features such as adjustable nose pads and flexible temple arms to ensure a secure and comfortable fit

Additional Tips for Reducing Eye Strain While Using Screens

In addition to using eye strain glasses, there are other measures you can take to reduce eye strain while using screens:

  • Adjust your workspace ergonomics: Ensure that your chair, desk, and computer setup promote good posture and minimize strain on your eyes, neck, and shoulders

  • Use proper lighting: Avoid working in overly bright or dim environments, as this can contribute to eye strain. Use task lighting to illuminate your workspace without causing excessive glare on your screen

  • Customize your screen settings: Adjust your screen's font size, color contrast, and refresh rate to make it more comfortable for your eyes

  • Stay hydrated: Drink plenty of water throughout the day to help maintain healthy eyes and alleviate symptoms of dryness


Protecting your eyes from computer screens is crucial in today's technology-driven world, where we spend a significant portion of our lives in front of screens. Prolonged screen time can cause eye strain, discomfort, and even long-term eye damage. By understanding the risks associated with prolonged screen time and taking appropriate measures to mitigate them, you can ensure optimal eye health and overall well-being.

Some of the tips to protect your eyes from computer screens include following the 20-20-20 rule, adjusting your screen brightness and contrast, optimizing screen positioning, minimizing glare, blinking regularly, and practicing good posture. Additionally, computer glasses for eye strain and glasses designed to protect your eyes from screen glare and blue light can provide additional protection and comfort.

It is essential to consult an eye care professional to determine the most appropriate measures for your needs and to ensure that any glasses you use are tailored to your specific vision requirements.

For more on protecting your eyes from computer screens, visit North Shore Eye Health and Wellness at our office in Cedarburg, WI. Call (262) 421-4412 to schedule an appointment today.

Roya123! none 8:00 AM - 5:00 PM 8:00 AM - 7:00 PM 8:00 AM - 7:00 PM 8:00 AM - 7:00 PM 8:00 AM - 4:00 PM Closed Closed optometrist # # #,-87.9854894,15z/data=!4m5!3m4!1s0x0:0x17813a9d1bb725e8!8m2!3d43.2947896!4d-87.9854894