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ZEISS FOR EYE CARE PROFESSIONALS

ZEISS BlueGuard Lenses

Effective blue light filtering lenses

Let your customers see comfortably and look good without disturbing blue-purple reflections on their blue light glasses. Our innovative blue light filtering lenses guard against potentially harmful blue light and provide full UV protection. It is particularly suitable for customers who spend a lot of time working on computers or who are constantly on their digital devices

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  • Blue light filtering lenses with UV protection
  • Address digital eye strain
  • Look good, with less blue-purple reflections

  • More protection

    BlueGuard® Lenses by ZEISS provide full UV Protection and now additionally filters up to 40%1  of potentially harmful and irritating blue light.

  • Visual comfort

    We live in an increasingly digital world. ZEISS BlueGuard anti-blue light lenses are designed to address digital eye strain customers may experience due to increased device use.

  • Less reflection

    Offer your customers an aesthetically pleasing solution with ZEISS BlueGuard Lenses. With up to 50% less reflections2 of digital blue light (compared to ZEISS DuraVision BlueProtect coating), your customers will look good on- and offline.

Why is blue light filtering so important for your customers?

  • 70%

    increase in smartphone usage worldwide.3

  • 2/3

    Up to two thirds of adults who regularly use digital devices experience various symptoms associated with digital eye strain.4

  • 80%

    8 out of 10 say it is important to protect their eyes from blue light.5

More blue light exposure – independent of age.

Research has shown that people of all ages are spending more time on digital devices. Besides facing potentially harmful blue light emitted by the sun, people also spend more time indoors where buildings are nowadays equipped with blue light-emitting LEDs.  This can cause digital eyestrain and affect sleep.

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What is digital eyestrain?

Do customers need special computer lenses?

Your customers are often unaware of how frequently they look at screens during the day. In reality, they are constantly surrounded by light sources such as digital devices and LED lights that emit a disproportionate amount of blue light. Blue light tends to scatter throughout the vitreous humor when entering the eye, causing so-called “visual noise”.

Customers may perceive this as uncomfortable glare and a reduction in contrast perception. Additionally, blue light causes longitudinal aberrations that may lead to blurred images. This unfocused “visual noise” can contribute to visual discomfort and symptoms associated with digital eye strain.

Common symptoms of digital eye strain (DES) are:

  • headaches  
  • blurred vision
  • dry or  burning  eyes  

Fortunately, the typical symptoms can be alleviated with little effort. Those affected can try to reduce their screen time, and they can also wear glasses with blue light filtering lenses.

How does blue light affect sleep?

Blue light has a big influence on our sleep-wake cycle. This is because the visible light spectrum also contains blue light waves – and these help us stay awake and alert during the day.

As the sun sets, the lack of light signals the body to produce melatonin. This hormone is responsible for us getting tired and falling asleep. Blue light from smartphones or laptops for example, can interfere with the release of melatonin. As a result, this can often lead to problems falling asleep and sleeping through the night.  You can now prescribe high-quality blue light filtering lenses for your customers to filter that part of the blue light spectrum.

How do blue light filtering lenses work?

A portion of light emitted by the sun falls in the blue spectrum. Furthermore, almost all modern digital devices and LED bulbs also emit blue light. The human eye can’t block visible blue light, so over exposure can contribute to perceived eyestrain and blurred vision. Blue light filtering glasses can filter that part of the blue light spectrum that can potentially be harmful and irritating for your customer.

With blue light filtering lenses from ZEISS, you can help improve your customers’ overall quality of life.

ZEISS BlueGuard Lenses: The next generation of blue light filtering lenses

With previous products like the ZEISS BlueProtect coating, blue light filtering is achieved by applying a coating to the lens.

With BlueGuard® Lenses by ZEISS, blue light filtering properties are now an intrinsic part of the chemical make-up of the lens material. In addition to filtering the potentially harmful blue light from the sun, it also filters irritating digital blue light that may affect your customers’ eyes.

More information
ZEISS BlueGuard Lenses: The next generation of blue light filtering lenses
Diagram with important figures on ZEISS BlueGuard Lenses compared to similar products.

What makes ZEISS BlueGuard lenses unique?

  • Have blue light filtering properties as an intrinsic part of the chemical lens make-up.
  • Filters up  to 40%1  of potentially harmful and irritating blue light.
  • Include UVProtect Technology to provide full UV protection up to 400nm.

Proven customer satisfaction with ZEISS BlueGuard Lenses

Wearer trial tests as well as feedback from our customers show high satisfaction ratings with ZEISS BlueGuard Lenses:
  • 90%

    of spectacle lens wearers are satisfied with the clarity of ZEISS BlueGuard Lenses.6

  • 93%

    of wearer say they feel less digital eyestrain with ZEISS BlueGuard Lenses.6

  • 92%

    of lens wearers state they experience less symptoms like tired or dry eyes with ZEISS BlueGuard Lenses.6

  • 72%

    of customers state that ZEISS BlueGuard Lenses show less intense reflections than DuraVision BlueProtect.7

  • 95%

    of wearers prefer ZEISS BlueGuard over their previous lenses.6

  • 9 out of 10

    of wearers would recommend ZEISS BlueGuard Lenses to their friends and families.6

Suitability and availability of ZEISS BlueGuard Lenses

ZEISS  BlueGuard  Lenses are suitable for all ages and available across most relevant ZEISS designs except the following:  

  • Bifocal and Trifocal Lenses
  • DriveSafe  Lenses
  • Sports Lenses  

You can offer your  customers  BlueGuard  Lenses across all plastic lens material indices.

An excellent balance between protection, visual comfort and aesthetics

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  • 1

    Built on the foundation of ZEISS UVProtect Technology, the ZEISS BlueGuard lens material provides full UV Protection and now additionally blocks up to 40 % of potentially harmful and irritating blue light. Source: Inhouse measurements and calculations based on the BVB (Blue-Violet-Block) metric. Analyses by Technology and Innovation, ZEISS Vision Care, DE 2020.
  • 2

    For good looks on- and offline, ZEISS BlueGuard Lenses have up to 50 % less reflections of digital blue light compared to ZEISS DuraVision BlueProtect coating. Source: Inhouse measurements and calculations based on the DBRLED (Digital Blue Light Reflection) metric. Analyses by Technology and Innovation, ZEISS Vision Care, DE 2020.
  • 3

    70% increase in smartphone usage; Source: Watson A. (2020). In-home media consumption due to the coronavirus outbreak among internet users worldwide as of March 2020, by country. www.statista.com, URL https://www.statista.com/statistics/1106498/home-media-consumption-coronavirus-worldwide-by-country.

  • 4

    Up to two thirds of adults who regularly use digital devices experience various symptoms associated with digital eye strain. Source: Vision Council of America Report, 2016.
  • 5

    8 out of 10 say it is important to protect their eyes from blue light. Source: Consumer preference test with N= 100 spectacle lens wearers in Germany in September 2020 by external market research institute.
  • 6

    Consumer Acceptance Survey - Top 2 boxes results of n=187 spectacle lens wearers, who purchased & wear ZEISS BlueGuard Lenses in China, May 2021.
  • 7

    Consumer preference test with N= 100 spectacle lens wearers in Germany in September 2020 by external market research institute (subjective visual assessment on white background illuminated with today typical indoor LED Lighting).