Blue Light Filtration

Helps protect you and your device. Better.

What Is Blue Light?

Blue light is a visible color in the light spectrum, and it’s a part of our natural world. However, there is growing concern about high energy visible (HEV) blue light from digital devices. That concern stemps primarily from our close proximity to screens, the length of time we use our devices, and the cumulative impact of using electronic devices every day.

Woman on phone at night

Blue Light and Our Mobile Devices

Our mobile device screens let us enjoy pictures, animations, games, shows, and more. But most of the LED light used in digital devices has wavelengths of 435-440nm, a range connected with concerns in the medical community about eye health and the potential risks of over exposure.

blue light graph

eye strain chart

What Is Digital Eye Strain?

According to the Vision Council, many people experience discomfort and vision problems when using digital devices for extended periods. As many as 65% of American report experiencing symptoms of digital eye strain which may include:

  • Eye strain
  • Headaches
  • Blurred vision
  • Dry, irritated eyes

eye strain statistics 2

* Based upon Nielsen Q3 2019 Total Audience Report
** Digital Eye Strain, The Vision Council: link
*** Screen Time 2020 Report: link

Protect Better

At ZAGG, “Protect Better” means we go beyond just scratch and shatter protection for your screen. We’re looking out for you as well as your device. That’s why we added Eyesafe® advanced blue light technology to our VisionGuard, XTR, and XTR2 screen protection.

light rays going through VisionGuard screen protector

ZAGG InvisibleShield with Eyesafe®

InvisibleShield leads the screen protection industry in blue light screen protection with Eyesafe® advanced blue light technology that filters 40% of blue light at 435-440 nm.


yellow light demonstrated on phone

Blue Light Filtration with No Yellow Tint

Other solutions typically adjust the blue light by shifting the color to warmer hues. Eyesafe® technology reduces blue light while maintaining the vibrant, true colors of your screen.


Shop VisionGuard for These Devices

How We Protect Better

At ZAGG, we care about more than just your digital device. We want you to have the best digital experience. Top-of-the-line blue light filtration is just one way we protect better.

Man with blue light illuminating his face

Developed with Doctors

Eyesafe® patented technology is designed with input from the Eyesafe Vision Health Advisory Board, a group of leading optometrists and ophthalmologist from around the globe.



blue light protection

Certified by TÜV Rheinland

Together, ZAGG InvisibleShield and Eyesafe® set the bar with industry-leading standards for blue light filtration. Products are certified by TÜV Rheinland, a global leader in independent product testing to meet industry-leading requirements for blue light emissions and color integrity.

certificate icons

ZAGG’s Limited Lifetime Warranty guarantees that we will replace the InvisibleShield screen protector or Gear4 case for the life of your device.


Shop VisionGuard for These Devices

Learn about what we’re doing to reduce our carbon impact and make constructive change.


‡The information provided on is provided as an educational resource only. The content is from other public sources and is reproduced here for the convenience of consumers. ZAGG does not guarantee accuracy of this information. Eligibility for medical expense reimbursement will require a letter of medical necessity from your optometrist or another health care provider. Eligibility for medical expense reimbursement not guaranteed. THIS WEBSITE DOES NOT PROVIDE MEDICAL ADVICE, AND ITS PRODUCTS ARE NOT INTENDED TO DIAGNOSE, TREAT, CURE OR PREVENT ANY DISEASE OR MEDICAL CONDITION. PLEASE CONSULT YOUR PHYSICIAN OR OTHER QUALIFIED HEALTH CARE PROVIDER WITH ANY QUESTIONS YOU MAY HAVE. READ FULL DISCLAIMER.

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