Blokz Glasses: Zenni’s Blue Light Defense

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In an age dominated by screens, our exposure to high-energy visible (HEV) blue light has skyrocketed, posing potential risks to eye health and sleep patterns. Zenni Optical recognized this concern and responded with a game-changer – Blokz® blue-light-blocking lenses.

Why Blokz®?

Customers rave about Blokz® for several reasons. These lenses effectively combat HEV blue light and UV rays within the 415-420 nanometer range. Crafted with a cutting-edge polymer seamlessly integrated into the lens, Blokz® ensures lasting blue-light protection. Additionally, the lenses boast an anti-reflective coating, mitigating glare and enhancing both visual clarity and aesthetics.

Diagram showing Blue Light, UV A, and UV B entering an eye, with the blue light reaching the retina.

Blokz® Variety: A Lens for Every Need

Zenni goes beyond the standard Blokz® offering, catering to diverse optical needs and the entire family.

  1. Blokz® Trivex® – Superior Impact Resistance: Ideal for active individuals of all ages, especially children and teens, these lenses are a smart choice for rimless glasses, protective eyewear, and sports glasses.
  2. Blokz® Photochromic – 2-in-1 Glasses and Sunglasses: Perfect for those seeking both blue light protection and versatile eyewear. These lenses transition from clear indoors to darkened sunglasses outdoors.
  3. Blokz® Sunglasses – Outdoor Eye Protection: Tinted lenses in dark gray, dark amber, and mirrored options provide excellent protection for outdoor activities.

Person with long curly hair and glasses sitting on a blue sofa holding a smartphone, looking at a screen.

Reference: Andrea Piacquadio,

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Introducing Blokz® Plus: Elevating Protection

In a continual pursuit of innovation, Zenni created Blokz® Plus, an advanced lens offering nearly 12 times more protection against HEV blue light up to 450 nm compared to regular Blokz® lenses.

  1. Blokz® Plus – Advanced HEV Blue Light Defense: Mildly-tinted lenses that block nearly 100% of HEV blue light, making them ideal for heavy screen users. Available for both single-vision and progressive prescriptions.
  2. Blokz® Plus Anti-Fatigue – Enhanced Comfort for Reading: Building on the benefits of Blokz® Plus, these lenses include a magnification boost at the bottom, specifically designed to alleviate eye strain during reading. Available for single-vision prescriptions.

Deciding Your Blokz®: A Personal Choice

Choosing the right Blokz® lens depends on individual preferences and optical requirements. Visit our dedicated Blokz® page to explore and determine which lens aligns best with your needs.

In a world where digital screens are omnipresent, Blokz® emerges as a guardian for your eyes. Whether you’re working, studying, gaming, or simply scrolling, these lenses stand as an effective defense against the adverse effects of prolonged blue light exposure.

Empowering Your Vision with Blokz®

As the digital age advances, so does the importance of safeguarding our eyes. Blokz® by Zenni Optical isn’t just a lens; it’s a shield against the potential hazards of excessive blue light. Explore the Blokz® collection today, and elevate your vision in the face of the digital revolution. Your eyes deserve the best – choose Blokz® for a brighter, clearer tomorrow.

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About the Author: Dr. Sophia Moh, OD, ABOC

Dr. Sophia Moh, OD, is an optometrist based in the Bay Area, California. She holds a doctorate from UC Berkeley School of Optometry and has worked in various eye care settings, including primary care optometry, general ophthalmology, community health clinics, and Veterans Affairs. Dr. Moh is dedicated to improving global vision health by making high-quality, affordable eyewear accessible to all. She is also a certified American Board Optician (ABO) and actively contributes to optical education through training and lectures.