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How Blue Light Affects You—And How Eyesafe Makes a Difference

2 people use laptop with Kensington privacy screen built with Eyeshade Blue Light Technology

How Blue Light Affects You—And How Eyesafe Makes a Difference

In today's digital age, we are constantly surrounded by screens, whether it's our laptops, smartphones, tablets, or televisions. With this increased screen time comes a significant rise in exposure to blue light, also known as high-energy visible (HEV) light, emitted by digital devices. While blue light has its benefits, it also poses several concerns, particularly for our eye health, sleep, and overall well-being. This blog will explore the impact of blue light exposure and how privacy screens built with Eyesafe® Blue Light Technology can offer a solution.

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Understanding Blue Light

Blue light, is a color in the visible light spectrum that can be seen by human eyes. These wavelengths of visible and non-visible light are measured in nanometers (nm) and in general the shorter the wavelength the higher the energy. Blue light is a short wavelength, which means it produces higher amounts of energy. Unlike other forms of light, the eyes cannot effectively filter blue light, so more can pass through the eye to the retina.

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Benefits of Blue Light

Moderate amounts of blue light are essential for good health. Exposure to blue light promotes alertness, helping individuals stay focused and attentive throughout the day. It also boosts memory and cognitive function, enhancing information retention and mental clarity. Additionally, blue light elevates mood by stimulating the production of serotonin, a neurotransmitter associated with happiness and well-being. Furthermore, blue light plays a crucial role in regulating the body's circadian rhythm, ensuring a healthy sleep-wake cycle and better sleep quality.

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Concerns about Blue Light

Despite its benefits, excessive exposure to blue light can lead to several health concerns. Prolonged screen time can cause digital eye strain, leading to symptoms such as eye strain, blurred vision, dry and irritated eyes, and headaches. The use of digital devices at night may suppress the release of melatonin, the hormone responsible for making us feel drowsy, resulting in sleep disruption and reduced alertness the next day. Over time, cumulative exposure to blue light may increase the likelihood of vision problems.

Eyesafe Blue Light Technology

To address these concerns, Kensington has partnered with Eyesafe, a global leader in blue light mitigating technology, to introduce privacy screen filters that combine advanced blue light filtering technology with privacy screen features. The patented Eyesafe® RPF60 technology is developed with doctors to filter 60% of blue light, specifically targeting the 435–440 nm range to support visual comfort and productivity.

Unlike other screen protectors and software solutions that reduce blue light by turning your screen yellow, Eyesafe technology maintains exceptional clarity and color. Additionally, the privacy screens narrow the viewing angle to ±30º ensuring that sensitive information remains secure from prying eyes.

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The Power of Two: Privacy Meets Blue Light Protection

Kensington privacy screens featuring Eyesafe Technology offer a powerful combination of protection and performance. These advanced filters:

  • Reduce blue light exposure by up to 60% at 435-440 nm to support healthier screen time habits.
  • Maintain superior image clarity so users don't have to trade visual quality for comfort.
  • Deliver premium privacy protection with a ±30° viewing angle to shield sensitive data from prying eyes.
  • Support flexible work styles — ideal for professionals working in public or shared spaces.

Whether you're finishing a presentation on a flight, responding to emails at a café, or working late into the evening, these privacy screens are designed to support comfort and protect your information — without slowing you down.

A Smarter Screen Solution

At Kensington, we believe that security and wellness shouldn't be an either-or decision. With multiple sizes available for laptops and monitors, our Eyesafe Blue Light Privacy Screen Filters are designed to support how and where you work. While blue light exposure is an inevitable part of our screen-centric lives, it is essential to take steps to protect our eyes and overall health. Privacy screens with Eyesafe offer a comprehensive solution by reducing blue light exposure, all while maintaining data privacy. By incorporating these screens into our daily routines, we can enjoy greater comfort and privacy during the workday.