The Hidden Culprit Behind Digital Eye Strain: Understanding Blue Light vs. Bright Light
Are you constantly glued to your screens, wondering why your eyes feel tired and strained after a long day? You’re not alone. With the increasing prevalence of digital devices in our daily lives, eye strain has become a common complaint among Canadians, especially those living in Okotoks, Alberta.
Research suggests that prolonged exposure to blue light from digital screens is a significant contributor to digital eye strain (DES). But what exactly is blue light, and how does it differ from bright light? In this article, we’ll delve into the science behind DES, explore the differences between blue light and bright light, and provide practical tips to help you protect your vision.
What Causes Digital Eye Strain?
Digital eye strain occurs when our eyes work too hard to focus on digital screens. This can lead to discomfort, fatigue, and decreased productivity. According to a study published in the Journal of the American Optometric Association (2020), 59% of adults experience eye strain after using digital devices for extended periods.
Blue Light vs. Bright Light: What’s the Difference?
Blue light is a type of high-energy visible (HEV) light with a shorter wavelength, typically between 400-450 nanometers. It’s emitted by digital screens, including smartphones, tablets, computers, and televisions. Blue light can also be found in some fluorescent lighting and LED bulbs.
Bright light, on the other hand, refers to any type of visible light that is not specifically categorized as blue or ultraviolet (UV) radiation. Bright light includes all wavelengths of visible light, from 400 nanometers (violet) to 700 nanometers (red).
The Impact of Blue Light on Vision Health
Research suggests that prolonged exposure to blue light can lead to eye strain, dry eyes, and even contribute to the risk of macular degeneration. A study published in the journal Optometry and Vision Science (2018) found that individuals who worked on computers for extended periods were more likely to experience eye strain and discomfort.
Practical Tips to Reduce Digital Eye Strain
1. Follow the 20-20-20 rule: Every 20 minutes, look away from your screen and focus on something 20 feet away for 20 seconds.
2. Adjust display settings: Lower the brightness and adjust the color temperature of your screens to reduce blue light emission.
3. Blink regularly: Blinking helps keep your eyes moist, reducing the risk of dry eyes.
eye exam and prescription lenses: The Key to Vision Health
Regular eye exams are essential for maintaining good vision health. Our optometrists at Fantastic Glasses Okotoks can help you determine if you need prescription lenses or other corrective measures to alleviate digital eye strain.
Choosing the Right frames and Lenses for Your Needs
When selecting frames, consider your lifestyle and preferences. For example, do you prefer frames with built-in blue light filtering? Our optometrists can guide you in choosing the perfect frames and lenses for your needs.
Visit Our Okotoks Location Today for Expert Eye Care and Eyewear
At Fantastic Glasses Okotoks, our team is committed to providing top-notch eye care services. Schedule an appointment today to have your eyes examined and get expert advice on selecting the right glasses or contact lenses for you.
* American Optometric Association (2020). Digital Eye Strain.
* Optometry and Vision Science (2018). Effects of blue light exposure on the retina.
* https://fantasticglasses.ca
References and Further Reading
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Address: 235 Milligan Drive Unit 401, Okotoks, AB, T1S 0B8
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