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Clarion | FL-41 Tinted Glasses for Screens, Indoor Lighting & Light Comfort

Clarion | FL-41 Tinted Glasses for Screens, Indoor Lighting & Light Comfort

$34.99
$34.99
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Clarion glasses use an FL-41 tint, which filters the 480 to 520nm blue-green band of the light spectrum. Rather than darkening your whole field of vision like standard sunglasses, the tint targets those specific wavelengths, so indoor spaces feel easier on the eyes.

The rectangular frame is lightweight and sits close to the face, reducing light leakage from the sides while staying comfortable for extended wear at a desk, in front of a screen, or under fluorescent lighting.

Clarion is designed for everyday indoor use rather than outdoor sun protection, making it a practical addition to a workspace or a bag for anyone who finds bright indoor lighting uncomfortable.

Specifications:

  • Lens tint: FL-41
  • Filtering range: 480 to 520nm (blue-green light)
  • Blue light filtering rate: 20 to 90%
  • Frame style: Rectangle

Kallivena ships every order free of charge and partners with reliable carriers so your package arrives safely and on schedule.

  • Free shipping on every order, no minimum spend
  • Order processing: 1–2 business days (Monday to Friday)
  • Transit time: 6–8 business days after dispatch
  • Estimated delivery: 7–10 business day total delivery
  • Orders placed after our daily cutoff move to the next business day
  • Tracking details are emailed the moment your order ships

Delivery windows are estimates and can shift slightly with carrier or regional conditions.

👉 View our full Shipping Policy
📦 Track your order anytime on our Order Tracking Page
📧 Need help? Email us at info@kallivena.com

At Kallivena your satisfaction leads everything we do. Returns stay easy for 30 days from the day your order arrives.

  • Items must be unused and returned in their original packaging
  • No restocking fees, ever
  • Free returns on damaged, defective, or incorrect items
  • Change of mind returns are covered by the customer
  • Refunds are issued within 7 business days after inspection

👉 View our full Refund Policy
📧 Need help? Email us at info@kallivena.com

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Targeted Filtering, Not A Dark Room

Clarion's FL-41 tint filters a specific band of the light spectrum rather than dimming your whole field of vision the way regular sunglasses do.

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Made For The Indoors

Whether it's a bright office, a long day at your screen, or fluorescent lighting overhead, Clarion is built for the environments that actually trigger sensitivity.

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Comfortable Enough To Forget You're Wearing Them

The lightweight rectangular frame sits close to the face to reduce light leakage, without feeling heavy or tight during extended wear.

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      Frequently Asked Questions

      Clarion is designed for everyday indoor use rather than outdoor sun protection. For bright outdoor light, a dedicated pair of sunglasses is a better fit.

      Clarion is designed to be worn on its own rather than over another pair of glasses. If you wear prescription lenses, check the frame dimensions against your current pair before ordering.

      FL-41 is a tint developed to filter blue-green light in the 480 to 520nm range, a band commonly associated with visual discomfort under bright or fluorescent indoor lighting.

      Yes, we ship free on all orders, with no minimum purchase required.

      Orders are typically processed within 1–2 business days and transit times are estimated at 6–8 business days after dispatch.

      Yes, once your order ships, tracking details are emailed so you can follow delivery progress.

      You can return items within 30 days from when your order arrives for an easy return.

      There are no restocking fees as long as the item is unused and returned in its original packaging.

      Damaged, defective, or incorrect items are free to return, and refunds are typically processed within 7 business days after inspection.

      Store Address: 11301 Grand Oak Dr, Grand Blanc, Michigan 48439, United States
      Store Email: info@kallivena.com
      Store Phone: +18102427427
      Customer Service Hours: Monday to Friday: 9:00 AM – 5:00 PM (EDT)
      We do our best to reply to your e-mail within 1–2 business days.