Cali Life Co. Blog

UV protection

  • UV400 Explained: What It Actually Means for Your Eyes

    You see "UV400" stamped on sunglasses all the time. It sounds important. But do you actually know what it means? Most people don't. And that's a problem, because the difference between real UV protection and a dark-tinted fashion accessory is the difference between healthy eyes and long-term dama... View Post

  • What Does UV400 Protection Mean for Sunglasses?

    When shopping for sunglasses, you'll often see "UV400" listed as a feature. But what does it actually mean, and why does it matter? UV400 means the lenses block 100% of ultraviolet light up to 400 nanometers in wavelength — which covers the full spectrum of both UVA and UVB radiation. It's the g... View Post

  • The Complete Guide to UV Protection for Your Eyes

    Everything you need to know about UV protection, polarized lenses, and why UV400 is the gold standard for your eyes. View Post

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