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ZEISS FOR EYE CARE PROFESSIONALS

ZEISS BlueGuard Lenses Effective blue light blocking glasses

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

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  • Protect eyes against blue light and UV
  • Address digital eye strain
  • Look good, with less blue-purple reflections

  • More protection

    ZEISS BlueGuard® Lenses provide sunglass-level UV protection and block up to 40%1 of potentially harmful and irritating blue light.

  • Easy on the eyes

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

  • Less reflection

    Offer your patients 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.

ZEISS BlueGuard has been awarded the COLTS Performance Seal for Blue Light blocking.8

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Why is blue light protection so important for your patients?

  • 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 patients need special computer lenses?

Your patients 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”.

Patients 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, these 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 blocking 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 glasses for your customers to block that part of the blue light spectrum.

How do blue light blocking glasses 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 blocking glasses can block that part of the blue light spectrum that can potentially be harmful and irritating for your patients.

With blue light blocking lenses from ZEISS, you can help improve your patients‘ overall quality of life.

  

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

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

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

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

What makes ZEISS BlueGuard Lenses unique?

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

Proven patient satisfaction with ZEISS BlueGuard blue light lenses

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

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

  • 93%

    of wearers say they feel less digital eyestrain with ZEISS BlueGuard blue light lenses.6

  • 92%

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

  • 72%

    of customers state that ZEISS BlueGuard blue light blocking lenses show less intense reflections than DuraVision BlueProtect.7

  • 95%

    of wearers prefer ZEISS BlueGuard blue light blocking lenses over their previous lenses.6

  • 9 out of 10

    of wearers would recommend ZEISS BlueGuard blue light blocking 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   patients   BlueGuard   Lenses across all plastic lens material indices.

An excellent balance between protection, visual comfort and aesthetics

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Frequently Asked Questions

  • 1

    Built on the foundation of ZEISS UVProtect Technology, the ZEISS BlueGuard lens material provides sunglass-level 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 blue light 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 eyeglass lens wearers in Germany in September 2020 by external market research institute.
  • 6

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

    Consumer preference test with N= 100 eyeglass lens wearers in Germany in September 2020 by external market research institute (subjective visual assessment on white background illuminated with today's typical indoor LED Lighting).
  • 8

    Colts - https://www.colts-laboratories.com/testing-services/colts-seal-programs/